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Research and Development of Visual Design&Check System in Long-Distance Water Supply Pipeline

Author: WangFengPing
Tutor: XuXueJun
School: Huazhong University of Science and Technology
Course: Water Resources and Hydropower Engineering
Keywords: Long-Distance Water Supply Pipeline Visual Design OpenGL Hydraulics
CLC: TV672.2
Type: Master's thesis
Year: 2013
Downloads: 1
Quote: 0
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Abstract


With the characteristic of strong transport capacity, lower expenses of transportation and construction, safety and continuously transited, pipeline transportation was the main transportation modes of fluid. The length between starting point and ending point of long distance pipeline was more than10km, which was a large span with rolling and fluctuant landform.As pipelines was often designed as2D drawing by2D design software like AutoCAD, which can hardly show the space structure of pipeline fluctuation, on the other hand, ignoring the changes of the pipeline parameters which called for rebuilding of the model, few of them can be established as3D model by3D design software like3D Studio Max, which can only provide the way to build graph. For the working condition such as pipeline pressure that was exhibited by using charts and relation curves, the calculation results and the calculation objects were relatively independent.Based on the research of the modeling of water supply pipeline engineering analysis, a pipeline engineering hydraulic calculation model was built. Moreover, the pipeline pressure checking method had been researched, and the pressure of each pipeline segment had been checked.With the3D modeling technology of water supply pipeline based on OpenGL, each steps of building3D model had been designed; rendering process had been done on the3D model so as to make it look more realistic by lighting or smooth shading.Technology of mapping the pipeline property data to pipe3D model has been researched, program to realize computing condition property data for each section of the pipeline has been written, the color gradient algorithm has been analyzed, with which color gradient, that based on pipe condition data in accordance with the largest to smallest correspondingly from red to blue gradually, can be mapped into the3D pipeline, as a result, the calculation results and the computation object had been connected.According to the three-dimensional browsing of pipeline model, view transformation principle had been studied, the browsing way of the pipeline model had been designed, the function like move, rotate, zoom, and back to the initial position make the observation from multi-view, multi-angle of the three-dimensional model into reality.In term of the realization of the human-machine interface, considering the functions to be achieved, parameter input interface used in designing the pipeline has been designed. On top of this, a variety of selectable conditions data could be mapped to the3D pipeline model, the choice of the pipeline mapping interval and the pressure threshold setting has been realized, the piping model could be browsed from three-dimensional. With the special example, the system mentioned before had been run and the expected results has been obtained, which was illustrated in details.

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CLC: > Industrial Technology > Hydraulic Engineering > Water control,hydraulic structures > Water, water diversion project > Conveyance structures > Aqueduct
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