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Enclosed space complex three-dimensional simulation of diffusion of gas leaks

Author: JiangJingJing
Tutor: HuYingSong
School: Huazhong University of Science and Technology
Course: Applied Computer Technology
Keywords: Diffusion of gas leaks Closed space Dimensional finite element model Gas concentration
CLC: TP391.9
Type: Master's thesis
Year: 2011
Downloads: 61
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Abstract


As the simulation domain is currently a hot topic of research , the diffusion process gas leakage simulation growing concern. From the research status at home and abroad , analyzes and compares the diffusion of gas leakage current common strengths and weaknesses of the simulation model . For these advantages and disadvantages of three-dimensional finite element model was simplified , and on this basis to construct three-dimensional simulation of gas diffusion process solutions, simulating the complex enclosed space dynamic process of diffusion of the gas leak . Gas leak diffusion process introduces three-dimensional simulation program used in the specific simulation model gives a three-dimensional finite element model simplification goals , combined with the actual characteristics of the target space of the model elaborated simplification measures taken from the theoretical simplifying the analysis of the simulation model with the performance advantages . Program to build the finite element simulation computer system gives the finite element method for solving a specific algorithm , and using sophisticated simulation environment in scripting calls through its services , enabling a closed space complex diffusion process gas leak three-dimensional simulation and visualization of simulation results obtained high simulation accuracy , reducing the simulation time it takes to improve the efficiency of simulation . In the overall safety monitoring and evaluation system simulation platform based on three-dimensional finite element model of the gas leak diffusion process simulation program for testing. In one particular case the target space as a simulation with experimental data obtained by physical contrast , the time spent on the system and results from the accuracy of the performance test . Simulation results show that the use of three-dimensional finite element model based on gas leak diffusion simulation program that can accurately simulate the gas leakage and diffusion process, the target spatial position of each point of the gas concentration changes . This is a gas leak diffusion process simulation provides a new approach and methodology.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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