tag:blogger.com,1999:blog-91576469012897791022024-02-07T15:30:40.362-08:00Free Civil Engineering Softwares Tutorials,Ebooks and SetupsCivil Engineering Blog with free video tutorials,and setups of sap2000,Etabs,safe,Autocad,Revit Architecture,primavera,MSproject,GIS,matlab,Papice,C++,and much more softwaresUnknownnoreply@blogger.comBlogger170125tag:blogger.com,1999:blog-9157646901289779102.post-76209291903806695992012-04-17T08:17:00.006-07:002012-04-17T09:08:51.378-07:00Construction Planning & Scheduling<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqVNGHLk5vytfGL5_G4FTFGGt9uSKn9UVquppMuW4IecUBRGVNnAf5f8F2ZMUXf6Vz4PtSII-yzWcqJ5spJ0-tDgzfBV41hyphenhyphenVE1RAmC4f897B3PB0miWWwLqPnEESjzhfVkdGrFy986wls/s1600/Untitled.jpg"><img style="float:right; margin:0 0 10px 10px;cursor:pointer; cursor:hand;width: 320px; height: 269px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqVNGHLk5vytfGL5_G4FTFGGt9uSKn9UVquppMuW4IecUBRGVNnAf5f8F2ZMUXf6Vz4PtSII-yzWcqJ5spJ0-tDgzfBV41hyphenhyphenVE1RAmC4f897B3PB0miWWwLqPnEESjzhfVkdGrFy986wls/s320/Untitled.jpg" alt="" id="BLOGGER_PHOTO_ID_5732398630864907058" border="0" /></a><span style="color: rgb(204, 153, 51);font-size:130%;" ><span style="font-weight: bold;">Construction Planning & Scheduling</span></span><br /><br />One of the most important responsibilities of construction project management is the planning and scheduling of construction projects. The key to successful profit making in any construction company is to have successful projects. Therefore, for many years, efforts have been made to plan, direct, and control the numerous project activities to obtain optimum project performance. Because every construction project is a unique undertaking, project managers must plan and schedule their work utilizing their experience with similar projects and applying their judgment to the particular conditions of the current project. Until just a few years ago, there was no generally accepted formal procedure to aid in the management of construction projects. Each project manager had a different system, which usually included the use ofthe Gantt chart, or bar chart. The bar chart was, and still is, quite useful for illustrating the various items of work, their estimated time durations, and their positions in the work schedule as of the report date represented by the bar chart. However, the relationship that exists between the identified work items is by implication only. On projects of any complexity, it is difficult, if not virtually impossible, to identify the interrelationships between the work items, and there is no indication of the criticality of the various activities in controlling the project duration. A sample bar chart for a construction project is shown in Fig<br />The development of the critical path method (CPM) in the late 1950s provided the basis for a more formal and systematic approach to project management. Critical path methods involve a graphical display (network diagram) of the activities on a project and their interrelationships and an arithmetic procedure that identifies the relative importance of each activity in the overall project schedule. These methods have been applied with notable success to project management in the construction industry and several other industries, when applied earnestly as dynamic management tools. Also, they have provided a much- needed basis for performing some of the other vital tasks of the construction project manager, such as resource scheduling, financial planning, and cost control. Today’s construction manager who ignores the use of critical path methods is ignoring a useful and practical management tool.<br /><br /><br /><span style="font-size:130%;"><span style="font-weight: bold; color: rgb(204, 153, 51);">Planning and Scheduling</span></span><br /><br />Planning for construction projects involves the logical analysis of a project, its requirements, and the plan (or plans) for its execution. This will also include consideration of the existing constraints and available resources that will affect the execution of the project. Considerable planning is required for the support functions for a project, material storage, worker facilities, office space, temporary utilities, and so on. Planning, with respect to the critical path method, involves the identification of the activities for a project, the ordering of these activities with respect to each other, and the development of a network logic diagram that graphically portrays the activity planning. Figure 2.2 is an I-J CPM logic diagram. The planning phase of the critical path method is by far the most difficult but also the most important.<br />It is here that the construction planner must actually build the project on paper. This can only be done by becoming totally familiar with the project plans, specifications, resources, and constraints, looking at various plans for feasibly performing the project, and selecting the best one.<br />The most difficult planning aspect to consider, especially for beginners, is the level of detail needed for the activities. The best answer is to develop the minimum level of detail required to enable the user to schedule the work efficiently. For instance, general contractors will normally consider two or three activities for mechanical work to be sufficient for their schedule. However, to mechanical contractors, this would be totally inadequate because they will need a more detailed breakdown of their activities in order to schedule their work. Therefore, the level of activity detail required depends on the needs of the user of the plan, and only the user can determine his or her needs after gaining experience in the use of critical path methods.<br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzyF6iopT0iDPVlGT-TyFKUTsDoa0XtQLK_rSt0QWCc9Z5A48egVjV_O6GzBArBCxNWISZsw90l7j-IA3WegQjtj6m7R01EM6XeSAi2_sdB5limZWhC5QEk5afK6GB6BvtwATF_6iTdvbG/s1600/Untitled.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 320px; height: 146px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzyF6iopT0iDPVlGT-TyFKUTsDoa0XtQLK_rSt0QWCc9Z5A48egVjV_O6GzBArBCxNWISZsw90l7j-IA3WegQjtj6m7R01EM6XeSAi2_sdB5limZWhC5QEk5afK6GB6BvtwATF_6iTdvbG/s320/Untitled.jpg" alt="" id="BLOGGER_PHOTO_ID_5732400210512697970" border="0" /></a><br />Once the activities have been determined, they must be arranged into a working plan in the network<br />logic diagram. Starting with an initial activity in the project, one can apply known constraints and reason<br />that all remaining activities must fall into one of three categories:<br />1. They must precede the activity in question.<br />2. They must follow the activity in question.<br />3. They can be performed concurrently with the activity in question.<br />The remaining planning function is the estimation of the time durations for each activity shown on the logic diagram. The estimated activity time should reflect the proposed method for performing the activity, plus consider the levels at which required resources are supplied. The estimation of activity times is always a tough task for the beginner in construction because it requires a working knowledge of the production capabilities of the various crafts in the industry, which can only be acquired through many observations of actual construction work. Therefore, the beginner will have to rely on the advice of superiors for obtaining time estimates for work schedules.<br />Scheduling of construction projects involves the determination of the timing of each work item, activity, in a project within the overall time span of the project. Scheduling, with respect to the critical path methods, involves the calculation of the starting and finishing times for each activity and the project duration, the evaluation of the available float for each activity, and the identification of the critical path or paths. In a broader sense, it also includes the more complicated areas of construction project man agement such as financial funds, flow analyses, resource scheduling and leveling, and inclement weather scheduling. The planning and scheduling of construction projects using critical path methods have been discussed as two separate processes. Although the tasks performed are different, the planning and scheduling processes normally overlap. The ultimate objective of the project manager is to develop a working plan with a schedule that meets the completion date requirements for the project. This requires an interactive process of planning and replanning, and scheduling and rescheduling, until a satisfactory working plan is obtainedUnknownnoreply@blogger.com2tag:blogger.com,1999:blog-9157646901289779102.post-20520163190996856062012-01-17T07:16:00.000-08:002012-01-17T07:28:38.717-08:00Staad AnalysisStaad Examples<br /><br />This Staad book covers the following topics<br /><br />Introduction<br />ProjectWise Integration<br />Features Affecting the Pre-Processor (Modeling Mode)<br />ASME NF Steel Design Codes<br />Floor Response Spectrum<br />Russian Wind Loading<br />Additional Standard Profile Databases<br />Features Affecting the Analysis and Design Engine<br />Time History Animation<br />Enhanced Plate Stress Results<br /><br />ProjectWise Integration<br />Purpose<br />ProjectWise is an engineering project team collaboration system which is used to help<br />teams improve quality, reduce rework, and meet project deadlines. One of the major<br />pieces of functionality provided by ProjectWise is an Integration Server which allows<br />data to be managed and shared across a distributed enterprise.<br />STAAD.Pro has been enhanced so that the model STD data file can be managed on a<br />ProjectWise server.<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJVEC6mob_kA2ryezM2OIE_mCdHzCQ1I7NiGy2GKyj0uDOqfKl3PxxlXwGB1wefCQ9RWCbuvQrKQmPUvMA9BwxZSr2XilYD5lOWOSlbOBcWI409GQ3sK9pZMC14Lo-Va9nRHa_j52J5n4/s1600/88.jpg"><img style="float:right; margin:0 0 10px 10px;cursor:pointer; cursor:hand;width: 200px; height: 181px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJVEC6mob_kA2ryezM2OIE_mCdHzCQ1I7NiGy2GKyj0uDOqfKl3PxxlXwGB1wefCQ9RWCbuvQrKQmPUvMA9BwxZSr2XilYD5lOWOSlbOBcWI409GQ3sK9pZMC14Lo-Va9nRHa_j52J5n4/s200/88.jpg" alt="" id="BLOGGER_PHOTO_ID_5698622083491513346" border="0" /></a><br /><br />Description<br />Four integration functionalities have been added. These are<br /><br />• Open a STAAD model from a ProjectWise repository.<br />• Save a local STAAD model into a ProjectWise repository.<br />• Update an existing model from ProjectWise.<br />• Review model properties (meta-data) which has been opened from a<br />ProjectWise repository.<br /><br />Note that access to all of these functionalities is available from ProjectWise sub-menu<br />under the general File menu described below.<br /><br />ProjectWise repository<br />Installation and management of a ProjectWise server is beyond the scope of this<br />document and should be obtained from the ProjectWise installation.<br /><br />ProjectWise client<br />A local ProjectWise client should be installed which allows access to ProjectWise<br />repositories.<br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfha2s1DrZKuf6wmFeEWVdp5-XPNKmkmJh0A48EdZT0bFYRrCx3qq6-NNeDKhUa9tHQHS1ZR_WfjSDCUDXJtySpRhkX96GnxAuizZhcf_JcpIPC-_WxanYJNPFqp1lvm0X_bpgRfWDq3o/s1600/prw.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 200px; height: 46px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfha2s1DrZKuf6wmFeEWVdp5-XPNKmkmJh0A48EdZT0bFYRrCx3qq6-NNeDKhUa9tHQHS1ZR_WfjSDCUDXJtySpRhkX96GnxAuizZhcf_JcpIPC-_WxanYJNPFqp1lvm0X_bpgRfWDq3o/s200/prw.jpg" alt="" id="BLOGGER_PHOTO_ID_5698621875577167810" border="0" /></a><br /><br />STAAD.Pro ......<span style="font-weight: bold; color: rgb(153, 153, 0);"> to see more download the following book</span><br /><br /><span style="font-weight: bold; color: rgb(51, 51, 255);">Download Staad Analysis</span><br />http://www.docstoc.com/docs/111051358/Staad-Pro-User-bookUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-64761117236593812532012-01-17T07:05:00.001-08:002012-01-17T07:12:56.237-08:00Staad Example<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjysnxIwHcVsD6VCLvgSXLXFeNxYvmPwPOmPLMi7015KJEfxwX6HLDvj-Y_fygU6KGIuwUA93iJTg7nVSdQsujFteY8Cuj0caDl-tN-SyvaRH0hyFeHZwPxDTgLYTaFxfBCyZwTRG8YSDw/s1600/staad.jpg"><img style="float:right; margin:0 0 10px 10px;cursor:pointer; cursor:hand;width: 200px; height: 186px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjysnxIwHcVsD6VCLvgSXLXFeNxYvmPwPOmPLMi7015KJEfxwX6HLDvj-Y_fygU6KGIuwUA93iJTg7nVSdQsujFteY8Cuj0caDl-tN-SyvaRH0hyFeHZwPxDTgLYTaFxfBCyZwTRG8YSDw/s200/staad.jpg" alt="" id="BLOGGER_PHOTO_ID_5698617920155577874" border="0" /></a><span style="font-weight: bold; color: rgb(204, 153, 51);">Staad Pro Tutorials</span><br /><span style="font-weight: bold; color: rgb(204, 153, 51);">Solved Example Using Staad Pro.</span><br />Here is what you can get step by step solved example of analysis and design using staad.<br /><br /><span style="font-weight: bold; color: rgb(51, 51, 255);">Download Staad Pro solved example</span><br />http://www.docstoc.com/docs/32106588/Using-Staad-Pro--httpmosttutorialsblogspotcomUnknownnoreply@blogger.com1tag:blogger.com,1999:blog-9157646901289779102.post-67749373615398328572012-01-15T07:16:00.000-08:002012-01-15T07:44:04.238-08:00What is Post Tensioning<span style="font-size:130%;"><span style="font-weight: bold; color: rgb(204, 153, 51);">Post Tensioning</span></span><br />Post-tensioning is a method of reinforcing (strengthening) concrete or other materials with high-strength steel strands or bars, typically referred to as tendons. Post-tensioning applications include office and apartment buildings, parking structures, slabs-on-ground, bridges, sports stadiums, rock and soil anchors, and water-tanks. In many cases, post-<br />tensioning allows construction that would otherwise be impossible due to either site constraints or architectural requirements.<br />Although post-tensioning systems require specialized knowledge and expertise to fabricate, assemble and install, the concept is easy to explain. Imagine a series of wooden blocks with holes drilled through them, into which a rubber band is threaded. If one holds the ends of the rubber band, the blocks will sag. Post-tensioning can be demonstrated by placing wing nuts on either end of the rubber band and winding the rubber band so that the blocks are pushed<br />tightly together. If one holds the wing nuts after winding, the blocks will remain straight. The tightened rubber band is comparable to a post-tensioning tendon that has been stretched by hydraulic jacks and is held in place by wedge-type anchoring devices. <br /><br /><span style="font-weight: bold; color: rgb(204, 153, 51);">BENEFITS</span><br />To fully appreciate the benefits of post-tensioning, it is helpful to know a little bit about concrete. Concrete is very strong in compression but weak in tension, i.e. it will crack when forces act to pull it apart. In conventional concrete construction, if a load such as the cars in a<br />parking garage is applied to a slab or beam, the beam will tend to deflect or sag. This deflection will cause the bottom of the beam to elongate slightly. Even a slight elongation is usually enough to cause cracking. Steel reinforcing bars (“rebar”) are typically embedded in the<br />concrete as tensile reinforcement to limit the crack widths. Rebar is what is called “passive” reinforcement however; it does not carry any force until the concrete has already deflected enough to crack. Post-tensioning tendons, on the other hand, are considered “active” reinforcing. Because it is pre stressed, the steel is effective as reinforcement even<br />though the concrete may not be cracked. Post-tensioned structures can be designed to have minimal deflection and cracking, even under full load<br /><br /><span style="font-weight: bold; color: rgb(204, 153, 51);">DVANTAGES/APPLICATIONS</span><br />There are post-tensioning applications in almost all facets of construction. In building construction, post-tensioning allows longer clear spans, thinner slabs, fewer beams and<br />more slender, dramatic elements. Thinner slabs mean less concrete is required. In addition, it means a lower overall building height for the same floor-to-floor height. Post-<br />tensioning can thus allow a significant reduction in building weight versus a conventional concrete building with the same number of floors. This reduces the foundation load and can<br />be a major advantage in seismic areas. A lower building height can also translate to considerable savings in mechanical systems and façade costs. Another advantage of<br />post-tensioning is that beams and slabs can be continuous, i.e. a single beam can run continuously from one end of the building to the other. Structurally, this is much more efficient<br />than having a beam that just goes from one column to the next. Post-tensioning is the system of choice for parking structures since it allows a high degree of flexibility in the column lay-<br />out, span lengths and ramp configurations. Post-tensioned parking garages can be either stand-alone structures or one or more floors in an office or residential building. In areas<br />where there are expansive clays or soils with low bearing capacity, post-tensioned slabs-on-ground and mat foundations reduce problems with cracking and differential settlement. Post-tensioning allows bridges to be built to very demanding geometry requirements, including complex curves, variable superelevation and significant grade changes. Post-tensioning also allows extremely long span bridges to be constructed without the use of temporary intermediate supports. This minimizes the impact on the environment and avoids disruption to water or road traffic below. In stadiums, post-tensioning allows long clear spans and very creative architecture. Post-tensioned rock and soil anchors are used in tunneling and slope stabilization and as tie-backs for excavations. Post-tensioning can also be used to produce virtually crack-free concrete for water-tanks.<br /><br />TERMINOLOGY<br />A post-tensioning "tendon" is defined as a complete assembly consisting of the anchorages, the prestressing strand or bar, the sheathing or duct and any grout or corrosion-inhibiting coating (grease) surrounding the prestressing steel. There are two main types of post-<br />tensioning: unbonded and bonded (grouted). An unbonded tendon is one in which the prestressing steel is not actually bonded to the concrete that surrounds it except at the anchorages. The most common unbonded systems are monostrand (single strand) tendons, which are used in slabs and beams for buildings, parking structures and slabs-on-ground. A monostrand tendon consists of a seven-wire strand that is coated with a corrosion-inhibiting<br />grease and encased in an extruded plastic protective sheathing. The anchorage consists of an iron casting and a conical, two-piece wedge which grips the strand.In bonded systems, two or more strands are inserted into a metal or plastic duct that is embedded in the concrete. The<br />strands are stressed with a large, multi-strand jack and anchored in a common anchorage device. The duct is then filled with a cementitious grout that provides corrosion protection to the strand and bonds the tendon to the concrete surrounding the duct. Bonded systems are more commonly used in bridges, both in the superstructure (the roadway) and in cable-stayed bridges, the cable-stays. In buildings, they are typically only used in heavily loaded beams such as transfer girders and landscaped plaza decks where the large number of strands required makes them more economical. Rock and soil anchors are also bonded systems but the<br />construction sequence is somewhat different. Typically, a cased hole is drilled into the side of the excavation, the hillside or the tunnel wall. A tendon is inserted into the casing and then the casing is grouted. Once the grout has reached sufficient strength, the tendon is stressed. In slope and tunnel wall stabilization, the anchors hold loose soil and rock together; in excavations they hold the wood lagging and steel piles in place.<br /><br /><span style="font-weight: bold; color: rgb(204, 153, 51);">CRITICAL ELEMENTS</span><br />There are several critical elements in a post-tensioning system. In unbonded construction, the plastic sheathing acts as a bond breaker between the concrete and the prestressing<br />strands. It also provides protection against damage by mechanical handling and serves as a barrier that prevents moisture and chemicals from reaching the strand. The strand coating material reduces friction between the strand and the sheathing and provides additional corrosion protection. Anchorages are another critical element, particularly in unbonded systems. After the concrete has cured andobtained the necessary strength, the wedges are inserted nside the anchor casting and the strand is stressed. When the jack releases the strand, the strand retracts slightly and pulls the wedges into the anchor. This creates a tight lock on the strand. The wedges thus maintain the applied force in the tendon and transfer it to the surrounding concrete. In corrosive environments, the anchorages and exposed strand tails are usually covered with a housing and cap for added protection.<br /><br /><span style="font-weight: bold; color: rgb(204, 153, 51);">CONSTRUCTION</span><br />In building and slab-on-ground construction, unbonded tendons are typically prefabricated at a plant and delivered to the construction site, ready to install. The tendons are laid out in the forms in accordance with installation drawings that indicate how they are to be spaced, what their profile (height above the form) should be, and where they are to be stressed. After the concrete is placed and has reached its required strength, usually between 3000 and 3500 psi (“pounds per square inch”), the tendons are stressed and anchored. The tendons, like rubber bands, want to return to their original length but are prevented from doing so by the anchorages. The fact the tendons are kept in a permanently stressed (elongated) state causes a compressive force to act on the concrete. The compression that results from the post- tensioning counteracts the tensile forces created by subsequent applied loading (cars, people, the weight of the beam itself when the shoring is removed). This significantly increases the load-carrying capacity of the concrete. Since post-tensioned concrete is cast in place at the job site, there is almost no limit to the shapes that can be formed. Curved facades, arches and complicated slab edge layouts are often a trademark of post-tensioned concrete structures. Post-tensioning has been used to advantage in a number of very aesthetically designed bridges. <br /><br /><span style="font-weight: bold; color: rgb(204, 153, 51);">ENSURING QUALITY CONSTRUCTION</span><br />The amount of post-tensioning strand sold has almost doubled in the last ten years and the post-tensioning industryis continuing to grow rapidly. To ensure quality construction,<br />the Post-Tensioning Institute (PTI) has implemented both a Plant Certification Program and a Field Personnel Certification Training Course. By specifying that the plant and the installers be PTI certified, engineers can ensure the level of quality that the owner will expect. PTI also publishes technical documents and reference manuals covering various aspects of post-tensioned design and construction.Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-42333761223982190922012-01-09T07:22:00.000-08:002012-01-09T07:27:01.284-08:00Using Staad Pro<span style="font-weight: bold; color: rgb(153, 102, 51);">Analysis and Design Using Staad Pro</span><br /><br />Step by Step example for analysing and designing a beam and structure using staad pro<br /><br /><span style="font-weight: bold; color: rgb(0, 0, 153);">Analysis and Design of Structure using Staad</span><br />http://www.docstoc.com/docs/32106588/Using-Staad-Pro--httpmosttutorialsblogspotcomUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-28225400846943098522012-01-09T06:27:00.000-08:002012-01-09T07:01:39.524-08:00Tekla Structure Integration into Analysis Softwares<span style="font-weight: bold; color: rgb(153, 102, 51);">Tekla Structure Integration with Different Structure Analysis Softwares</span><br /><br />Integration between Tekla Structures and STAAD improve the workflow in the design phase at engineering<br />offices. The modeling of the physical structure starts in Tekla Structures, whereas the engineer will achieve an<br />understanding about how the structure is put together. With loads, support conditions and other analysis<br />properties set up in Tekla Structures, the model can then be analyzed in STAAD. After analysis in STAAD, the data results, for example section property changes are automatically integrated back into Tekla Structures model.As project changes occur, the updated Tekla Structures model can be re-analyzed and incorporated into STAAD at any time, while changes from STAAD can re-update the Tekla model and engineering drawings.The integration between Tekla Structures and STAAD is done through standard Open Application Programming Interfaces (API) that enables roundtrip functionality and good maintainability of the integrated workflow.<br /><br /><span style="font-weight: bold; color: rgb(51, 51, 255);">Download</span><br /><br />http://www.4shared.com/office/E0NyNAkA/Tekla_Structure_analysis__desi.htmlUnknownnoreply@blogger.com1tag:blogger.com,1999:blog-9157646901289779102.post-61621737905258389372012-01-08T08:59:00.000-08:002012-01-08T10:18:44.573-08:00Facial Expression Using Morpher in 3D Studio max<span style="font-weight: bold;"><span style="color: rgb(153, 102, 51);">Facial Expression Using Morpher in 3D Studio max<br /><br />Introduction</span></span><span><span style="color: rgb(153, 102, 51);"><span style="font-size:100%;"> </span></span></span><span style="color: rgb(0, 0, 0);font-size:100%;" ><br /></span><span style="color: rgb(0, 0, 0);font-size:100%;" ><span style="color: rgb(153, 102, 51);">Various setups and rigs are there for lip sync a</span></span><span><span style="color: rgb(153, 102, 51);"><span style="font-size:100%;"><span style="color: rgb(0, 0, 0);">nd facial expression .The easiest way to create a set of predefined facial expressions based on morpher modifier can be applied to animate moods and lip synchronization is explained in this tutorial.</span> </span></span></span><span style="font-weight: bold;"><span style="color: rgb(153, 102, 51);"><br /></span></span><span style="font-weight: bold;font-size:130%;" ><span style="color: rgb(153, 102, 51);">Head Setup for Facial Expression</span></span><span style="font-weight: bold;"><span style="color: rgb(153, 102, 51);"><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNMccK5JumezhtZ4Uvs2MueV3nUFA1dU34Z7UZgJ1Ve4EQ62012b8O9zoBDaOkioc7EDw39U2sI0xeUgLT5NPzgH-d3KeENZFGOW1raxupimCTBCZBhyphenhyphen0F6qSxEqnTUfjhnda4LiteuYCj/s1600/3ds.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 320px; height: 126px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNMccK5JumezhtZ4Uvs2MueV3nUFA1dU34Z7UZgJ1Ve4EQ62012b8O9zoBDaOkioc7EDw39U2sI0xeUgLT5NPzgH-d3KeENZFGOW1raxupimCTBCZBhyphenhyphen0F6qSxEqnTUfjhnda4LiteuYCj/s320/3ds.jpg" alt="" id="BLOGGER_PHOTO_ID_5695318757785059890" border="0" /></a></span></span><span><span style="color: rgb(153, 102, 51);"><br /><span style="color: rgb(0, 0, 0);">Most models are modeled half to create a perfect symmetry .The symmetry modifier is efficient in this way .However the edge of the model should be aligned to grid to be efficient as well as to prevent mistake when welded with its true center .Lastly it is to allow the rigger to paint weights correctly .The symmetry modifier should not be collapse unless both sides of the face intended to be different .In most cases due to complex facial setups,mirror modifiers and symmetry will collapse.We will retain modifier for this small setups</span></span></span><span style="font-weight: bold;"><span style="color: rgb(153, 102, 51);"><br /><br /></span></span><span><span style="color: rgb(153, 102, 51);"><br /></span>Next Clone the head to several other models.These other models are used to create<br />different features for expressions or lip sync.The several heads will be modeled to desired features.Keep the original head unchanged.Few examples that are interesting to work on are eyelids,a smiling faze and angry face.<br /><br />When you tweak the clone models,keep in mind how facial muscles move.An example would be a smiling face.When the mouth twiched into a smile,the muscles will affect the cheeks and slowly ,easing off to the temples.One good practice is to observe muscle reactions by acting in front of a mirror.That way you will get most of the features right.Once you are satisfied with your facial features,we will move on to add these expressions to your original head.</span><span style="font-weight: bold;"><br /></span><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmD1lzwFX0ycX14ii7-kObBDwr01I9YxSNsVRS5FLftRoUCOa_NwCZUrX2GWpzYl6fNo8XuuRPomszyilgDsSm4BV-Bk-JRLDIJxx7x0w-EaFIZFgzqviRt1Rxy0NjoSFlzewC_9I69xSG/s1600/3ds.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 320px; height: 126px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmD1lzwFX0ycX14ii7-kObBDwr01I9YxSNsVRS5FLftRoUCOa_NwCZUrX2GWpzYl6fNo8XuuRPomszyilgDsSm4BV-Bk-JRLDIJxx7x0w-EaFIZFgzqviRt1Rxy0NjoSFlzewC_9I69xSG/s320/3ds.jpg" alt="" id="BLOGGER_PHOTO_ID_5695319481686884834" border="0" /></a>In The modifier list dropdown window,select Orpher,In Morpher,there are sub categories or channel color legend,Global Parameters,Channel List,Channel Parametere and Advance Parameters.<br /><br /><span style="color: rgb(153, 102, 51);font-size:130%;" ><span style="font-weight: bold;">Creating A series of FAcial Feature/Expressions</span></span><br />The empty slots are used to assign the tweaked models.<br /><ul><li>Select the first empty slot.</li><li>Click Pick Object from Scene</li><li>Select the model with the expression</li></ul> If you model has a complex expression (example might be having a series of different laughs),then you need to pick the entire series and tweak the expressions and assign it to the selected slot.It will show the different models in the Target List.<br /><ul><li>To check the toplogy of the morph targets(s) that are assigned to the Original head ,increase the number in the parameter feld of the selected slot.</li><li>Repeat for other facial expressions</li></ul><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJNW92h0tpYwQ7OXnmAy8NraZC5BmJf_OTuRi9_d3VII2evifEssAueqrA_XHxoIF0br8Mq6F2oThOTzG9UfEjsApRdKJUwKXvwM8n-8vCdtArpukHSudZki6bKO0Pm_H85_CeNXZRc2IO/s1600/3ds.jpg"><img style="float:right; margin:0 0 10px 10px;cursor:pointer; cursor:hand;width: 146px; height: 320px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJNW92h0tpYwQ7OXnmAy8NraZC5BmJf_OTuRi9_d3VII2evifEssAueqrA_XHxoIF0br8Mq6F2oThOTzG9UfEjsApRdKJUwKXvwM8n-8vCdtArpukHSudZki6bKO0Pm_H85_CeNXZRc2IO/s320/3ds.jpg" alt="" id="BLOGGER_PHOTO_ID_5695324901753603362" border="0" /></a><br />If the model did not morph into the expression that was assigned after keying the parameters ,check the Target List Under Progressive Morph.If there is nothing in the list,it means no tweaked model has been assigned to the selected slot.<br />You may also want to change the Spinner Increments to 0.1 If you want the animation to be smoother or more subtle.<br />A good work habit for recommendation is to save the heads to a separate MAX file after you are done as you can delete the heads in the scene without compromising the effects.However,It will be quite hazardous if you did not keep a copy of the clones hould you have a need to change or tweak them.<br /><br />After you deleted the clone models,the slot activation color will be changed from green to blue.The heas is now ready for animation,An important thing to note is that if you adjust the othere parameter of the morph slot without first zeroing offthe previous parameter,the deformation will stack.It simply meant that if you animate your character to smile and decide to hange it to an angry expression ,you should key your smile slot backt to zero before keying the angry slt to hundred.It is because your angry model deformation will add to the smile deformation model,causing it to deform frther if you did not zero out the parameters correctly.<br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg721oW38VhX4WpzZ0eQ2c600RlATHrsh84A_1QI4pfTC01T_ujI9oBVZ0AVbn2DCYwITW5Lt8KRc8_WYerXjvpvQfqoK_8no5oo2yqTUsukGARPOHXyu8JlNjokhx8wFmUbflttgEiX3QT/s1600/3ds.jpg"><img style="float:right; margin:0 0 10px 10px;cursor:pointer; cursor:hand;width: 320px; height: 228px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg721oW38VhX4WpzZ0eQ2c600RlATHrsh84A_1QI4pfTC01T_ujI9oBVZ0AVbn2DCYwITW5Lt8KRc8_WYerXjvpvQfqoK_8no5oo2yqTUsukGARPOHXyu8JlNjokhx8wFmUbflttgEiX3QT/s320/3ds.jpg" alt="" id="BLOGGER_PHOTO_ID_5695326045078432002" border="0" /></a><br />Lastly ,in order to attact the head back to the body ,edit poly modifer has to be added to attact and weld the body vertices back to its original state<br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgeGWwpRHbb3MATDixywdIkrIszUByWcObwHL9gsh_DLActyeNbU7JETkl4LtqH0JJpiRlSLR7Kig-IjbLsdIC5HqK8ip6fZfLudCbDbD-XrrJsGWZHB59vH5WxStzHst-T1kQi-BZQvpXi/s1600/3ds.jpg"><img style="float:right; margin:0 0 10px 10px;cursor:pointer; cursor:hand;width: 192px; height: 320px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgeGWwpRHbb3MATDixywdIkrIszUByWcObwHL9gsh_DLActyeNbU7JETkl4LtqH0JJpiRlSLR7Kig-IjbLsdIC5HqK8ip6fZfLudCbDbD-XrrJsGWZHB59vH5WxStzHst-T1kQi-BZQvpXi/s320/3ds.jpg" alt="" id="BLOGGER_PHOTO_ID_5695326771935440674" border="0" /></a><br /><br /><span style="font-weight: bold;"><br /></span>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-17690570789348597962011-03-24T01:30:00.000-07:002011-11-21T22:27:46.283-08:00Autocad 2004<span style="color: rgb(153, 102, 51);font-size:130%;" ><span style="font-weight: bold;">Autocad 2004 </span></span><br /><b>AutoCAD</b> is a CAD(Computer Aided Design or Computer Aided Drafting) software application for 2D and 3D Designing and Drafting, developed and sold by Autodesk .inc Initially released in late 1982, AutoCAD was one of the first CAD programs to run on personal computers, and notably the IBM PC. Most CAD software at the time ran on graphics terminals connected to mainframe computers or mini-computers.<br />In earlier releases, AutoCAD used primitive entities — such as lines, polylines, circles, arcs, and text — as the foundation for more complex objects. Since the mid-1990s, AutoCAD has<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQW07LX4Y8Bcqz2J18eRKeE95YKaW4HAlb_P52-EQOIy2REhphuhWwOaDkvCECXs-2Itseo4uywvrG45tZCuEm02JTww7buk18qi2yFyQFMla1o0NGjOw9n6GN-oZzxDNnGh4ODqCux5NA/s1600/search.php.jpg"><img style="float: right; margin: 0pt 0pt 10px 10px; cursor: pointer; width: 320px; height: 318px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQW07LX4Y8Bcqz2J18eRKeE95YKaW4HAlb_P52-EQOIy2REhphuhWwOaDkvCECXs-2Itseo4uywvrG45tZCuEm02JTww7buk18qi2yFyQFMla1o0NGjOw9n6GN-oZzxDNnGh4ODqCux5NA/s320/search.php.jpg" alt="" id="BLOGGER_PHOTO_ID_5587564447813213554" border="0" /></a> supported custom objects through its C++ API. Modern AutoCAD includes a full set of basic solid modeling and 3D tools. With the release of AutoCAD 2007 came improved 3D modeling functionality, which meant better navigation when working in 3D. Moreover, it became easier to edit 3D models. The mental ray engine was included in rendering, it was now possible to do quality renderings. AutoCAD 2010 introduced parametric functionality and mesh modeling.<br />AutoCAD supports a number of application programming interfaces (APIs) for customization and automation. These include AutoLISP, Visual LISP, VBA, .NET and ObjectARX. ObjectARX is a C++ class library, which was also the base for products extending AutoCAD functionality to specific fields, to create products such as AutoCAD Architecture, AutoCAD Electrical, AutoCAD Civil 3D, or third-party AutoCAD-based applications.Unknownnoreply@blogger.com1tag:blogger.com,1999:blog-9157646901289779102.post-50498012570060599272011-03-24T01:15:00.000-07:002012-01-08T06:58:14.392-08:00AutoCAD 2010<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrSJtsTvRTaBHrHAHsrygl86KWO5jAbBSw561-EIrRqCYxM6PjKQfXYfks5XnpIRSkU5E7Xg1V9NUIRdxweHQhZci07ZCGovQAKkHr6rkGCwuAG9hdkQNJbKNgw9vF4Su5i76nTw2tNY7U/s1600/AutoCAD+2010.jpg"><img style="float: right; margin: 0pt 0pt 10px 10px; cursor: pointer; width: 248px; height: 320px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrSJtsTvRTaBHrHAHsrygl86KWO5jAbBSw561-EIrRqCYxM6PjKQfXYfks5XnpIRSkU5E7Xg1V9NUIRdxweHQhZci07ZCGovQAKkHr6rkGCwuAG9hdkQNJbKNgw9vF4Su5i76nTw2tNY7U/s320/AutoCAD+2010.jpg" alt="" id="BLOGGER_PHOTO_ID_5587560173085412850" border="0" /></a><br /><span style="font-size:130%;"><span style="font-weight: bold; color: rgb(153, 102, 51);">AUTOCAD 2010</span></span><br />Autocad 2010 is one of the most exciting releases in AutoCAD. It offers new features across the board, so that almost everyone will find something valuable.<br />AutoCAD 2010 has several new features as<br /><br /><span style="font-weight: bold; color: rgb(51, 51, 255);">Dynamic Blocks</span><br /><ul><li>More compelling authoring environment</li><li>Easier to author dynamic blocks</li><li>flexible and powerful dynamic blocks with Constraint Parameters</li><li>Easy understanding and later edit authored behavior</li><li>A Test block without exiting Block Editor</li></ul><span style="font-weight: bold; color: rgb(51, 51, 255);">Deployment</span><br />• Added the ability for a CAD Manager to create Advanced User Profiles<br />• Dynamic paths in the registry<br />• All user-customizable support files should be installed to Roaming AppData by default<br />• Allow choice for support content location<br /><br /><br /><div style="overflow: hidden; color: rgb(0, 0, 0); background-color: transparent; text-align: left; text-decoration: none; border: medium none;"><br /></div>Unknownnoreply@blogger.com1tag:blogger.com,1999:blog-9157646901289779102.post-66365756470448601782011-03-24T01:05:00.000-07:002011-03-24T01:15:08.077-07:00AutoCAD Video TutorialsAutoCAD 2010 Tutorial<br /><span style="font-weight: bold; color: rgb(153, 102, 51);">Download Free AutoCAD 2010 Video Tutorials</span><br /><br />http://rapidshare.com/files/362044134/01.Introduction.rar<br />http://rapidshare.com/files/362044136/02.AutoCAD_2009.rar<br />http://rapidshare.com/files/362280834/03.Basic_Drawing_Skills.rar<br />http://rapidshare.com/files/362280836/04.Working_with_Objects.rar<br />http://rapidshare.com/files/362293616/05.Organization___Inquiry.rar<br />http://rapidshare.com/files/362293617/06.Altering_Objects.rar<br />http://rapidshare.com/files/362303640/07.Working_with_Layouts.rar<br />http://rapidshare.com/files/362303641/08.Annotation.rar<br />http://rapidshare.com/files/362303642/10.Hatching.rar<br />http://rapidshare.com/files/362346975/11.Reusable_Content.rar<br />http://rapidshare.com/files/362346976/12.Additional_Drawing_Objects.rar<br />http://rapidshare.com/files/362353000/13.Plotting_Drawings.rar<br />http://rapidshare.com/files/362353004/14.Drawing_Templates_-_DWT.rar<br />http://rapidshare.com/files/362353005/15.Wrap_Up.rarUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-8591495549667860572011-03-17T05:13:00.000-07:002011-03-17T05:39:13.708-07:00Using GIS with HEC RAS<span style="font-weight: bold;">HEC-RAS</span> has the ability to import three-dimensional river schematic and cross section data created in a GIS or CADD system.While the HEC RAS software only utilizes two dimensional data during the computations,the 3D information is used in the program for display purposes.After the user has completed a hydraulic analysisi,the computed water surface profiles can be exported back to the GIS or CADD system for development and display of a floodplain map.<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJoAvvG7r3vhcdvKaoUhsLZThJoQ2RK_8ZEtADokgX6Xfky9LTDd0PgmECaTKAUq-q7_rFJCUViwJvMSaDhGey9qV4pNBRP92CIxrHxskED_p1BO-IKUxnWDNBjaQmFPCddJLACPX5w6qU/s1600/georas.jpg"><img style="float: right; margin: 0pt 0pt 10px 10px; cursor: pointer; width: 320px; height: 261px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJoAvvG7r3vhcdvKaoUhsLZThJoQ2RK_8ZEtADokgX6Xfky9LTDd0PgmECaTKAUq-q7_rFJCUViwJvMSaDhGey9qV4pNBRP92CIxrHxskED_p1BO-IKUxnWDNBjaQmFPCddJLACPX5w6qU/s320/georas.jpg" alt="" id="BLOGGER_PHOTO_ID_5585027086246956850" border="0" /></a><br />The importing and exporting of GIS or CADD data is accomplished through the use of formatted ASCII text files,The text files provide a generic way of exchanging data between GIS/CADD systems and HEC -RAS,without adopting any single GIS/CADD system.<br />The HEC has developed a set of macros for Arc Info(using Arc Macro Language,AML) that will allow a user to write the geometric data in the required format as well as read the HEC-RAS results and perform the floodplain mapping.<br /><br />To view more download this chapter<br /><br /><span style="font-weight: bold; color: rgb(153, 102, 51);">Download GIS with HEC RAS ebook</span><br />http://www.docstoc.com/docs/70199554/Using-GIS-with-HEC-RASUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-23222716563411797592011-03-15T04:22:00.000-07:002011-03-15T04:55:10.930-07:00HEC RAS Manual<span style="font-weight: bold; color: rgb(153, 102, 51);">HEC RAS</span> <span style="font-weight: bold; color: rgb(153, 102, 51);">Working with HEC RAS an overview</span><br />HEC RAS is an itergrated package of hydraulic analysis programs,in which the user interacts with the system through the use of a Graphical User Interface.The system is capable of Performing Steady Flow Water surface profile calculations and will include unsteady flow,sediment transport and several hydraulic design computations in the future.<br />In HEC-RAS terminolgy, a project is a set of data files associated with a particular river system.The modeler can perform any or all of the various types of analyses,included in the HEC RAS <a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh54aPSWicciTeHnWOaMQ12gyhOa5wFzfoJMpi9PnxfkKwZNlyfTWH_EThuxeX7K2xA6q4tVlKWvPq4w59NxGnSMtJ4dLu9gqWyb2gAjr26ERm6Fu5N7zoYD2EEvpBg1QJp89-mzJX42oiX/s1600/georas.jpg"><img style="float: right; margin: 0pt 0pt 10px 10px; cursor: pointer; width: 320px; height: 261px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh54aPSWicciTeHnWOaMQ12gyhOa5wFzfoJMpi9PnxfkKwZNlyfTWH_EThuxeX7K2xA6q4tVlKWvPq4w59NxGnSMtJ4dLu9gqWyb2gAjr26ERm6Fu5N7zoYD2EEvpBg1QJp89-mzJX42oiX/s320/georas.jpg" alt="" id="BLOGGER_PHOTO_ID_5584273557819719586" border="0" /></a>package,as part of the project.The data files for a project are categorized as follows;plan data,geometric data,steady flow data,unsteady flow data,sediment data and hydraulic design data.<br /><span style="font-weight: bold; color: rgb(153, 102, 51);">Contents</span><br /><ul><li>Starting HEC RAS</li><li>Steps in Developing a Hydraulic Model with HEC RAS</li><li>Importing HEC-2 Data</li><li>Reproducing HEC-2 Results</li><li>Getting and Using Help</li></ul><br /><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTY4ayDhbIqbQoX47LKsbzZIXCKh7Zl-4UcB4RFyXrGlQSin8D-d3DfB6Uulcg2gWS1-5iEYgnkFS5iQfItTgyzZebBTBtavwQoTekXoRFPIT0_C7RKcx9k82K02gG6XXi5DmRXdoiTZ5F/s1600/hecras_01.jpg"><img style="cursor: pointer; width: 320px; height: 262px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTY4ayDhbIqbQoX47LKsbzZIXCKh7Zl-4UcB4RFyXrGlQSin8D-d3DfB6Uulcg2gWS1-5iEYgnkFS5iQfItTgyzZebBTBtavwQoTekXoRFPIT0_C7RKcx9k82K02gG6XXi5DmRXdoiTZ5F/s320/hecras_01.jpg" alt="" id="BLOGGER_PHOTO_ID_5584273683422512642" border="0" /></a><br /><br /><span style="font-weight: bold; color: rgb(153, 102, 51);">Download this HEC RAS ebook</span><br />http://www.docstoc.com/docs/70199729/Working-with-HEC-RASUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-20489566292090402732011-03-15T04:02:00.000-07:002011-03-15T04:20:01.447-07:00Starting new Project HEC RAS<span style="font-size:130%;"><span style="font-weight: bold;">HEC RAS</span></span><br />This Chapter provides an example application ofhow to perfom steady flow water surface profile calculations with HEC-RAS.The user is taken through a step by step procedure of how to enter data,perfom calculations,and view the results.<br /><br /><span style="font-weight: bold; color: rgb(153, 102, 51);">Contents</span><br /><ul><li>Starting a New Project</li><li>Entering Geometric Data</li><li>Entering Steady Flow Data</li><li>Performing the Hydraulic Calculations</li><li>Viewing Results</li><li>Printing Graphics and Tables</li><li style="color: rgb(51, 51, 51);">Exiting the Program</li></ul><span style="font-weight: bold; color: rgb(153, 102, 51);">Download HEC RAS Manual</span><br />http://www.docstoc.com/docs/70199783/Performing-steady-flow-water-profile-surface-calculations-in-HEC-RASUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-62882225187226091932011-03-15T03:42:00.000-07:002011-03-15T04:02:23.571-07:00WATERCAD ManualWatercad manual<br /><br /><span style="font-weight: bold;">WaterCAD </span>is a powerful yet easy to use program that helps engineers design and analyze complex<br />pressurized piping systems. WaterCAD’s powerful graphical interface (both in Stand-Alone and<br />AutoCAD mode) makes it easy to quickly lay out a complex network of pipes, tanks, pumps, and<br />more. You can use WaterCAD to:<br />• Perform steady-state analyses of water distribution systems with pumps, tanks, and control<br />valves.<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4v_wq0sxURT1EMJNmxddrfAXI08e13azuwrzAZlVFDf785z0pEta7ggcEMduAd6ZViMGI1vnlKWylyKcmYEzkVmyl0ycvbIu71t-R354Db4ZFRSiVgc4piP5QoQ-0ha-y3r_EPspY6EVe/s1600/Civil-3D-1-of-2.jpg"><img style="float: right; margin: 0pt 0pt 10px 10px; cursor: pointer; width: 320px; height: 257px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4v_wq0sxURT1EMJNmxddrfAXI08e13azuwrzAZlVFDf785z0pEta7ggcEMduAd6ZViMGI1vnlKWylyKcmYEzkVmyl0ycvbIu71t-R354Db4ZFRSiVgc4piP5QoQ-0ha-y3r_EPspY6EVe/s320/Civil-3D-1-of-2.jpg" alt="" id="BLOGGER_PHOTO_ID_5584260058843596770" border="0" /></a><br />• Perform extended period simulations to analyze the piping system's response to varying supply<br />and demand schedules.<br />• Perform water quality simulations to determine the water source and age, or track the growth<br />or decay of a chemical constituent throughout the network.<br />• Perform Fire Flow Analyses on your system to determine how your system will behave under<br />extreme conditions.<br />• Use the powerful Scenario Management features to mix and match a variety of "What If?"<br />alternatives on your system. Create multiple sets of hydraulic, physical property, operational,<br />initial setting, fire flow, cost, and water quality alternatives. Create and run any number of<br />scenarios by mixing and matching alternatives, then view and compare the results quickly and<br />easily with WaterCAD's flexible scenario management feature.<br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlUGZO7_pOknkjEbeGNVXhkaPwjNAjevVc1VIRgjK-K5EVIud08qpAD4uYsfaCnUZh8349e6j57O11gce3nw71Gj9kBVUQ9SnpOZJhUHIUGDDW05Ay8QwnUTPHfDCVhz8rJWgx9dSo7X_G/s1600/watercad.jpg"><img style="cursor: pointer; width: 320px; height: 240px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlUGZO7_pOknkjEbeGNVXhkaPwjNAjevVc1VIRgjK-K5EVIud08qpAD4uYsfaCnUZh8349e6j57O11gce3nw71Gj9kBVUQ9SnpOZJhUHIUGDDW05Ay8QwnUTPHfDCVhz8rJWgx9dSo7X_G/s320/watercad.jpg" alt="" id="BLOGGER_PHOTO_ID_5584260265768027282" border="0" /></a><br /><br /><span style="font-size:130%;"><span style="font-weight: bold; color: rgb(204, 153, 51);">Contents</span></span><br /><ul><li>What is watercad</li><li>Installation</li><li>Learning WaterCAD</li><li>Contacting Heasted Methods</li><li>WaterCAD Main Menu</li><li>Quick Start Lessons</li><li>Starting a WaterCAD Project</li><li>Laying Out and Editing Tools</li><li>Hydraulic Elements Editor</li><li>Flex Tables</li><li>Scenarios and Alternatives </li><li>Modeling Capabilities<br /></li><li>Cost Estimating</li><li>Presenting your Results<br /></li><li>Engineering Libraries<br /></li><li>GIS and Database Connections<br /></li><li>Exchanging Data with CAD Software<br /></li><li>Additional Features of the AutoCAD Version </li><li>Appendix A - Frequently Asked Questions<br /></li><li>Appendix B - WaterCAD Theory</li><li>Appendix C - Scenario Management Guide<br /></li><li>Appendix D - Haestad Methods Software</li></ul><span style="font-weight: bold;"><span style="color: rgb(204, 153, 51);">Download WaterCAD Manual</span><br /></span>http://www.docstoc.com/docs/70246574/Water-CAD-User-Guide<span style="font-weight: bold;"><br /></span>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-52931594424733181712011-03-15T03:40:00.000-07:002011-03-15T03:42:40.107-07:00HEC RAS output VariablesHEC RAS<br /><br /><span style="font-weight: bold; color: rgb(204, 102, 0);">Download HEC RAS output Variables</span><br />http://www.docstoc.com/docs/70195396/HEC-RAS-output-VariablesUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-4623048625218537862011-02-21T04:49:00.000-08:002011-02-21T05:59:14.640-08:00National Geographic Megastructures<span style="color: rgb(153, 102, 51); font-weight: bold;">Sears Tower Megastructure Documentary Download</span><b><br />Willis Tower</b> (formerly named, but still commonly referred to as, <b>Sears Tower</b>) is a 108-story, 1451-foot (442 m) skyscraper in Chicago, Illinois. At the time of its compl<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrTrNGiiycEIpiZ9RMsy0VUwcA9ltyAvkOFZnK7BOOqKN5oZMx9xO1FSbJbpFYfg9JfsNpH3qPhnPsHm08mGM2bc93NNbHn0cAynCngZEguTU5iwNr2MAE60XFxVbcGcFSl5t-If5uo3ww/s1600/Sears+Tower.jpg"><img style="float: right; margin: 0pt 0pt 10px 10px; cursor: pointer; width: 240px; height: 320px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrTrNGiiycEIpiZ9RMsy0VUwcA9ltyAvkOFZnK7BOOqKN5oZMx9xO1FSbJbpFYfg9JfsNpH3qPhnPsHm08mGM2bc93NNbHn0cAynCngZEguTU5iwNr2MAE60XFxVbcGcFSl5t-If5uo3ww/s320/Sears+Tower.jpg" alt="" id="BLOGGER_PHOTO_ID_5576127151497255746" border="0" /></a>etion in 1974, it was the tallest building in the world, surpassing the World Trade Center towers in New York, and it held this rank for nearly 25 years. The Willis Tower is the tallest building in the United States and the fifth-tallest freestanding structure in the world, as well as the fifth tallest building in the world to the roof.<p>For 20 years, the Sears Tower held the record for the world’s tallest building. Completed in 1974, the 108 stories high building is almost half a kilometer tall. And it still holds the record for having the world’s highest antenna. John Zils, structural engineer and designer of this mega-structure shares some of the secrets about the tower. And get a behind-the-scenes look at some of the various systems and controls that are vital to the building, li<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgthxeM7toDy2vW_Aq30kFSmsoVByEIiscSonsORB3gOJpbvc3DbeSqsPdZ4hoO1wqcyOY9_AkeuTO0VJL78XVy77IRF4mdaBgbN31YZZaYFBGOXdivJamrjesY4dyojwlkTwH8dfLUp1_U/s1600/Sears+towers.png"><img style="float: left; margin: 0pt 10px 10px 0pt; cursor: pointer; width: 254px; height: 320px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgthxeM7toDy2vW_Aq30kFSmsoVByEIiscSonsORB3gOJpbvc3DbeSqsPdZ4hoO1wqcyOY9_AkeuTO0VJL78XVy77IRF4mdaBgbN31YZZaYFBGOXdivJamrjesY4dyojwlkTwH8dfLUp1_U/s320/Sears+towers.png" alt="" id="BLOGGER_PHOTO_ID_5576128199274513906" border="0" /></a>ke security monitoring, the elevators, and the water and power distribution to the various levels, and even the machines that cleans the windows.</p> <p>Although Sears' naming rights expired in 2003, the building continued to be called Sears Tower for several years. In March 2009 London-based insurance broker Willis Group Holdings, Ltd., agreed to lease a portion of the building and obtained the building's naming rights. On July 16, 2009, the building was officially renamed Willis Tower.</p><p>At 1,482.6 feet (451.9 m) tall, including decorative spires, the <span class="mw-redirect">Petronas Twin Towers</span> in Kuala Lumpur, Malaysia, laid claim to replacing the Sears Tower as the tallest building in the world in 1998. Not everyone agreed, and in the ensuing controversy four different <span class="mw-redirect">categories of "tallest building"</span> were created. Of these, Petronas was the tallest in one category (height to top of architectural elements, meaning spires but not antennas).</p><p><br /></p><p><span style="color: rgb(204, 153, 51); font-weight: bold;">Download Megastructure Sears Tower Documentary</span><span style="font-weight: bold;"><br /></span></p><p><span style="font-weight: bold;"></span>http://hotfile.com/dl/105230529/5d8b1ac/Sears_Tower.part1.rar.html<br />http://hotfile.com/dl/105343514/15c3a18/Sears_Tower.part2.rar.html<br />http://hotfile.com/dl/105604626/c03627a/Sears_Tower.part3.rar.html<br />http://hotfile.com/dl/105600718/b31286c/Sears_Tower.part4.rar.html<br /></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-59058873773750025862011-02-20T21:33:00.000-08:002011-02-20T22:21:48.319-08:00Channel Tunnel<span style="font-family:georgia;">The </span><b style="font-family: georgia;">Channel Tunnel</b><span style="font-family:georgia;"> ( is a 50.5-kilometre (31.4 mi) undersea rail t</span><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8liCr5AlInJg8Me9VzyI3Q0fxkwuaPj0SYLfCarI0uhlZok2pAfS_ih56ZvBSH4CRgi3R8-dM0s4W3vEqyixGqZBl2i9pY06R5p-xXIwyn1Y-7FZfiT7-tC3EgE_udcMh8fp4atIJ_zzh/s1600/610x.jpg"><img style="float: right; margin: 0pt 0pt 10px 10px; cursor: pointer; width: 320px; height: 213px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8liCr5AlInJg8Me9VzyI3Q0fxkwuaPj0SYLfCarI0uhlZok2pAfS_ih56ZvBSH4CRgi3R8-dM0s4W3vEqyixGqZBl2i9pY06R5p-xXIwyn1Y-7FZfiT7-tC3EgE_udcMh8fp4atIJ_zzh/s320/610x.jpg" alt="" id="BLOGGER_PHOTO_ID_5576020016845098946" border="0" /></a><span style="font-family:georgia;">unnel linking </span><span class="mw-redirect" style="font-family:georgia;">Folkestone</span><span style="font-family:georgia;">, Kent in the United Kingdom with Coquelles, Pas-de-Calais near Calais in northern France beneath the English Channel at the Strait of Dover. At its lowest point, it is 75 metres (250 ft) deep.</span><sup style="font-family: georgia;" id="cite_ref-2" class="reference"><span>[</span>3<span>]</span></sup><sup style="font-family: georgia;" id="cite_ref-ICE_p._95_3-0" class="reference"><span>[</span>4<span>]</span></sup><sup style="font-family: georgia;" id="cite_ref-autogenerated1_4-0" class="reference"><span>[</span>5<span>]</span></sup><span style="font-family:georgia;"> At 37.9 kilometres (23.5 mi), the Channel Tunnel posses</span><span style="font-family:georgia;">ses th</span><span style="font-family:georgia;">e longest undersea portion of any tunnel in the world, although the Seikan Tunnel in Japan is both longer overall at 53.85 kilometres (33.46 mi), and deeper at 240 metres (790 ft) below sea level.</span> <span style="font-family:georgia;">A tunnel </span><span style="font-family:georgia;">connecting Britain and France has been an engineering holy grail since the early 19th century. The first attempt at a tunnel excavation began in 1880, but the project was abandoned soon after and workings lay dormant for a hundred years. </span><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTfUbs95am8jltWBK7vET2qXSW6eLSp-clw2tnyis227AKARRiRCnNvn7j6krYgV2s6IUnW6OZIM1s6D4JLzXq3t6iU4AEuB2WA5DW89mKwIN-fev8unQRzNQmqhA1F66s5-YMYt9kR2vV/s1600/chunnel_channel_tunnel_fire.png"><img style="float: right; margin: 0pt 0pt 10px 10px; cursor: pointer; width: 250px; height: 205px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTfUbs95am8jltWBK7vET2qXSW6eLSp-clw2tnyis227AKARRiRCnNvn7j6krYgV2s6IUnW6OZIM1s6D4JLzXq3t6iU4AEuB2WA5DW89mKwIN-fev8unQRzNQmqhA1F66s5-YMYt9kR2vV/s320/chunnel_channel_tunnel_fire.png" alt="" id="BLOGGER_PHOTO_ID_5576020302848306754" border="0" /></a> <p style="font-family: georgia;">In 1988, international treaties were signed and once more excavation work began in earnest. </p> <p style="font-family: georgia; text-align: justify;">At 50km from Kent to Normandy, with a full 39km passing 40m under the English Channel seabed, the Channel Tunnel is the world’s longest marine subway.</p> <p style="text-align: justify;"><br /></p> <p style="text-align: justify;"><br /></p><p style="text-align: justify;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKyEHruRU4Z8ei-xRc_hS1uQq8AT9JyXQH2F98BRkpRtYZLFL1rT4nlwo4tyJRyRO8YZMwZmeVpwPb8PgnkiHR747zx5aqrUAaPuEAkXvJYZwTGklH7xILnEtTgnfSkKES4CeONXHwa1Vf/s1600/Tunnel+Boring+Machine.jpg"><img style="float: left; margin: 0pt 10px 10px 0pt; cursor: pointer; width: 261px; height: 193px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKyEHruRU4Z8ei-xRc_hS1uQq8AT9JyXQH2F98BRkpRtYZLFL1rT4nlwo4tyJRyRO8YZMwZmeVpwPb8PgnkiHR747zx5aqrUAaPuEAkXvJYZwTGklH7xILnEtTgnfSkKES4CeONXHwa1Vf/s320/Tunnel+Boring+Machine.jpg" alt="" id="BLOGGER_PHOTO_ID_5576021709090049938" border="0" /></a></p> <p style="text-align: justify;">Eleven tunnel boring machines, working from both sides of the Channel, cut through chalk marl to construct two railtunnels and a service tunnel. The vehicle shuttle terminals are at Cheriton (part of Folkestone) and Coquelles, and are connected to the British and French motorways (M20 and <span class="mw-redirect">A16</span> respectively).</p> Tunnelling commenced in 1988 , and the tunnel began operating in 1994. In 1985 prices, the total construction cost was £4.650 billion (equivalent to £11 billion today), an 80% cost overrun. At the peak of construction 15,000 people were employed with daily expenditure over £3 million. Ten workers, eight of them British, were killed during construction between 1987 and 1993, most in the first few months of boring.<br /><div style="text-align: justify;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2X3NVjo8OVFLZJwMP_b6bN0bbE0epOi7AvWhYq2RBn8i4HOm82QO9VjE1QNj6kriJ-yPw_mvZtsX0okd3vLXywUWNTwD84rnwu9qk0MyoOL5hHxLH6PAMeUiZbrcdWWK8xxSyCvScEE9w/s1600/Channel-Tunnel-train.jpg"><img style="cursor: pointer; width: 227px; height: 183px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2X3NVjo8OVFLZJwMP_b6bN0bbE0epOi7AvWhYq2RBn8i4HOm82QO9VjE1QNj6kriJ-yPw_mvZtsX0okd3vLXywUWNTwD84rnwu9qk0MyoOL5hHxLH6PAMeUiZbrcdWWK8xxSyCvScEE9w/s320/Channel-Tunnel-train.jpg" alt="" id="BLOGGER_PHOTO_ID_5576022283064836466" border="0" /></a> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9h-hhdNWVNCDAZ5PgC9XhkVwxPb7yCLZkFBgt4NdPmWdq7dx8GTDlw4z4qh2U9qrZq43YNourtRAih-Hze7Db0QzSILe8q8q3Bo08wsS3-sieRmxTfK6vOiuWQFZFDUHgzv_uACaUAUkq/s1600/channel_tunnel8.jpg"><img style="cursor: pointer; width: 226px; height: 183px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9h-hhdNWVNCDAZ5PgC9XhkVwxPb7yCLZkFBgt4NdPmWdq7dx8GTDlw4z4qh2U9qrZq43YNourtRAih-Hze7Db0QzSILe8q8q3Bo08wsS3-sieRmxTfK6vOiuWQFZFDUHgzv_uACaUAUkq/s320/channel_tunnel8.jpg" alt="" id="BLOGGER_PHOTO_ID_5576022738888955954" border="0" /></a><br /><br /></div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZOo_rqXLSBxGrQN6DkkBS6ueynHg9_Mbba_ReaOmrAgscfl-eL3uiwLAV9SQPeilRPIwEN48ANkXkvFOMqSixalHVJ2z9_WY7OImz0gDKKx2dNR3vKtFKwi2FN9xnVtAXnAVWbzBhgkmV/s1600/800px-channel_tunnel_geological_profile_1-svg.png"> <img style="cursor: pointer; width: 472px; height: 129px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZOo_rqXLSBxGrQN6DkkBS6ueynHg9_Mbba_ReaOmrAgscfl-eL3uiwLAV9SQPeilRPIwEN48ANkXkvFOMqSixalHVJ2z9_WY7OImz0gDKKx2dNR3vKtFKwi2FN9xnVtAXnAVWbzBhgkmV/s320/800px-channel_tunnel_geological_profile_1-svg.png" alt="" id="BLOGGER_PHOTO_ID_5576023379274968770" border="0" /></a><br /><br /><br /><span style="font-weight: bold; color: rgb(153, 102, 51);">Download National Geographic Mega Structure "The Channel Tunnel "</span><br /><br />http://hotfile.com/dl/104879915/3248d39/channel-tunnel.part1.rar.html<br />http://hotfile.com/dl/104934296/60dbe8c/channel-tunnel.part2.rar.html<br />http://hotfile.com/dl/104939925/4005e95/channel-tunnel.part3.rar.html<br />http://hotfile.com/dl/104950214/fbfe0f4/channel-tunnel.part4.rar.htmlUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-20583570705436195302011-02-16T10:07:00.000-08:002011-02-16T10:21:15.993-08:00HEC RASTo create a river hydraulics application with HEC-RAS,you work with projects. A project is a collection files that are used to build a model.This chapter describes projects and how you build and manage them.<br /><br /><span style="font-weight: bold;">Contents</span><br /><ol><li>Understanding Projects</li><li>Elements of a Project</li><li>Creating,Opening,Saving,Renaming and Deleting Projects</li><li>Project Options</li></ol><span style="font-weight: bold;">To read more download "Working with Project in HEC-RAS</span><br /><span style="font-weight: bold; color: rgb(51, 51, 255);">http://www.docstoc.com/docs/70199819/Working-with-projects-in-HEC-RAS</span>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-39104013768811675932011-02-16T09:05:00.000-08:002011-02-16T10:05:11.998-08:00Steady Flow<span style="font-weight: bold;">Performing Steady Flow Analysis</span> <span style="font-weight: bold;">in HEC RAS</span><br />This post includes the procedure of calculating steady flow water surface profile.<br />This chapter is divided into two parts.The first part discusses how to enter steady fow data and boundary conditions.The second part discusses how to develop a plan and perform the calculations.<br /><ol><li>Entering and Editing Steady Flow Data</li><li>Performing Steady Flow Calculations</li></ol>Entering and Editing Steady Flow Data<br />Once all of the geometric data are entered,the modeler can then enter any steady flow data that are required.To bring up the steady flow data editor,select Steady Flow Data from Edit menu on the HEC-RAS main window.The steady flow data editor should appear.<br /><br /><span style="font-weight: bold;">Steady Flow Data</span><br />The user is required to enter the following information: the number of profiles to be calculated;the peak flow data(at least one flow for every river reach and every profile); and any required boundary conditions.<br /><br /><span style="font-weight: bold;">To read more <span style="color: rgb(51, 51, 255);">download</span> this ebook</span><br /><br /><span style="font-weight: bold; color: rgb(51, 51, 255);">http://www.docstoc.com/docs/70199877/Performing-Steady-Flow-Analysis-in-HEC-RAS</span>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-63119246381939023972011-02-16T08:53:00.000-08:002011-02-16T09:04:52.962-08:00Fluid Mechanics<span style="font-weight: bold;">Dimensional Analysis</span><br />In engineering the application of fluid mechanics in designs make much of the use of empirical results from a lot of experiments. This data is often difficult to present in a readable form. Even from graphs it may be difficult to interpret. Dimensional analysis provides a strategy for choosing relevant data and how it should be presented.<br />This is a useful technique in all experimentally based areas of engineering. If it is possible to identify the factors involved in a physical situation, dimensional analysis can form a relationship between them. The resulting expressions may not at first sight appear rigorous but these qualitative results converted to quantitative forms can be used to obtain any unknown factors from experimental analysis.<br /><br /><span style="font-weight: bold;">Dimensions and units</span><br />Any physical situation can be described by certain familiar properties e.g. length, velocity, area, volume, acceleration etc. These are all known as dimensions. Of course dimensions are of no use without a magnitude being attached. We must know more than that something has a length. It must also have a standardised unit - such as a meter, a foot, a yard etc.Dimensions are properties which can be measured. Units are the standard elements we use to quantify these dimensions.<br />In dimensional analysis we are only concerned with the nature of the dimension i.e. its quality not its quantity. The following common abbreviation are used:<br /><br /><span style="font-weight: bold;">To read more Download Dimensional analysis in fluid mechanics ebook</span><br /><span style="color: rgb(51, 51, 255);">http://www.docstoc.com/docs/70247260/Dimensional-Analysis-in-Fluid-Mechanics</span>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-69343106689789171832011-02-16T08:33:00.000-08:002011-02-16T08:53:09.995-08:00Hydraulics ModelingA physical model is a scaled representation of a hydraulic flow situation. Both the<br />boundary conditions (e.g. channel bed, sidewalls), the upstream flow conditions<br />and the flow field must be scaled in an appropriate manner.<br />Physical hydraulic models are commonly used during design stages to optimize a<br />structure and to ensure a safe operation of the structure. They have an important<br />further role to assist non-engineering people during the `decision-making' process.<br />A hydraulic model may help the decision-makers to visualize and to picture the<br />flow field, before selecting a `suitable' design.<br />In civil engineering applications, a physical hydraulic model is usually a smaller-<br />size representation of the prototype (i.e. the full-scale structure) (e.g. Fig. 14.2).<br />Other applications of model studies (e.g. water treatment plant, flotation column)<br />may require the use of models larger than the prototype. In any case the model is<br />investigated in a laboratory under controlled conditions.<br />Hydraulic modeling cannot be disassociated from the basic theory of fluid<br />mechanics. To be eefficient and useful, experimental investigations require theoretical<br />guidance which derives primarily from the basic principles (see Chapter 13) and the<br />theory of similarity (see the next subsection).<br />In the present section, we will consider the physical modeling of hydraulic flows:<br />i.e. the use of laboratory models (with controlled flow conditions) to predict the<br />behavior of prototype flow situations.<br />In a physical model, the flow conditions are said to be similar to those in the prototype<br />if the model displays similarity of form (geometric similarity), similarity of motion<br />(kinematic similarity) and similarity of forces (dynamic similarity)...<br /><br />To read more download this lecture<br />http://www.docstoc.com/docs/70247318/Physical-Modeling-of-HydraulicsUnknownnoreply@blogger.com1tag:blogger.com,1999:blog-9157646901289779102.post-56298485606638942252011-02-12T23:45:00.000-08:002011-02-12T23:47:04.487-08:00HECRAS地理空间数据导入导出文件<span id="result_box" class="" lang="zh-CN"><span class="" title="Click for alternate translations">HECRAS</span><span class="" title="Click for alternate translations">推出</span><span class="" title="Click for alternate translations">三维</span><span class="" title="Click for alternate translations">河流</span><span class="" title="Click for alternate translations">网络</span><span class="" title="Click for alternate translations">和跨</span><span class="" title="Click for alternate translations">sections.This</span><span class="" title="Click for alternate translations">几何</span><span class="" title="Click for alternate translations">描述</span><span class="" title="Click for alternate translations">能力,</span><span class="" title="Click for alternate translations">使人们有可能</span><span class="" title="Click for alternate translations">从</span><span class="" title="Click for alternate translations">现实世界</span><span class="" title="Click for alternate translations">进口</span><span class="" title="Click for alternate translations">不</span><span class="" title="Click for alternate translations">转换通道</span><span class="" title="Click for alternate translations">是从CAD</span><span class="" title="Click for alternate translations">或GIS</span><span class="" title="Click for alternate translations">方案的</span><span class="" title="Click for alternate translations">几何</span><span class="" title="Click for alternate translations">坐标</span><span class="" title="Click for alternate translations">站</span><span class="" title="Click for alternate translations">海拔</span><span class="" title="Click for alternate translations">描述</span><span class="" title="Click for alternate translations">为</span><span class="" title="Click for alternate translations">跨</span><span class="" title="Click for alternate translations">sections.Similarly</span><span class="" title="Click for alternate translations">水面</span><span class="" title="Click for alternate translations">高程</span><span class="" title="Click for alternate translations">计算</span><span class="" title="Click for alternate translations">截面的</span><span class="" title="Click for alternate translations">可以出口到</span><span class="" title="Click for alternate translations">CAD和GIS</span><span class="" title="Click for alternate translations">在那里他们可以</span><span class="" title="Click for alternate translations">用于创建</span><span class="" title="Click for alternate translations">映射模型</span><span class="" title="Click for alternate translations">表面的</span><span class="" title="Click for alternate translations">泛滥</span><span class="" title="Click for alternate translations">。</span><br /><span class="" title="Click for alternate translations">...........</span><br /><span class="" title="Click for alternate translations">本章</span><span class="" title="Click for alternate translations">下载</span><br /><span class="" title="Click for alternate translations">http://www.docstoc.com/docs/70195208/HEC-RAS-Importexport-files-for-geospatial-data</span></span>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-25821647975312618762011-02-11T06:15:00.000-08:002011-02-11T06:33:15.904-08:00HEC RAS Import Export File for Geospatial DataHEC RAS has introduced 3D geometry for the description of river networks and cross sections.This capability makes it possible to import channel geometry of from CAD or GIS programs without conversion from real world coordinates to station elevation descriptions for the cross sections.Similarly water surface elevations calculated at cross sections can be exported to CAD and GIS where they can be used to create models surfaces for inundation mapping.<br />...........<br /><span style="font-weight: bold; color: rgb(51, 102, 255);">Download this chapter </span><br />http://www.docstoc.com/docs/70195208/HEC-RAS-Importexport-files-for-geospatial-dataUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-60437137348356393722011-02-11T06:01:00.000-08:002011-03-18T05:47:56.059-07:00Introduction to HECRASHydrologic Ebngineering Center's River Analysis System(HEC-RAS) allows you to perform one dimensional steady and unsteady flow hyrdraulics. Future Versions support sediment transport calculations.HEC RAS supports one dimensional steady and unsteady flow,water surface profile calculations.<br />HEC RAS is an itegrated system of software,designed for interactive use in a multi tasking multi user network environment.The system is comprised of a graphical user interface,separate hydraulic analysis components,data storage and management capabilities,graphics and reporting facilites..............<br /><span style="font-weight: bold;">Download This Chapter</span><br />http://www.docstoc.com/docs/70195474/HEC-RAS-Introductory-ManualUnknownnoreply@blogger.com0tag:blogger.com,1999:blog-9157646901289779102.post-43117800983579467372011-02-10T09:21:00.000-08:002011-03-24T01:49:47.960-07:00Mechanics of Solids and Strength of Materials solutions to problemsSolid Mechanics Problems solutions<br /><br /><br /><span style="color: rgb(153, 102, 51); font-weight: bold;">Download Mechanics of Solid Soloution to Problems Solved by Me (Engr.Masaud Akhter)</span><br />http://www.4shared.com/document/ejPIbe14/Mechanics_of_solids_High.html<br /><a href="http://www.4shared.com/document/ejPIbe14/Mechanics_of_solids_High.html"> </a>Unknownnoreply@blogger.com0