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research-article

Efficient Visualization Strategies for Large-Scale Finite Element Models

[+] Author and Article Information
Xu Liangyin

Department of Engineering Mechanics, State Key Laboratory of Structural Analysis of Industrial Equipment, Dalian University of Technology, Dalian 116024, China
xly@mail.dlut.edu.cn

Li Yunpeng

Department of Engineering Mechanics, State Key Laboratory of Structural Analysis of Industrial Equipment, Dalian University of Technology, Dalian 116024, China
lyp@dlut.edu.cn

Zhang Sheng

Department of Engineering Mechanics, State Key Laboratory of Structural Analysis of Industrial Equipment, Dalian University of Technology, Dalian 116024, China
zhangs@dlut.edu.cn

Chen Biao Song

Department of Engineering Mechanics, State Key Laboratory of Structural Analysis of Industrial Equipment, Dalian University of Technology, Dalian 116024, China
chenbs@dlut.edu.cn

1Corresponding author.

ASME doi:10.1115/1.4038315 History: Received February 19, 2017; Revised October 24, 2017

Abstract

This paper presents the SiPESC.Post, an open general visualization system for large scale finite element computation visualization with over millions of or tens of millions of nodes. Base on the system requirement analysis and the processes of finite element visualization system, a new system architecture is proposed, which introduce the stream/filter architecture to meets the needs of large scale data processing and facilitates software maintenances and function extensions. Considering the extension of all parts of the visualization system, a unified extension mechanism is designed and used, which implements the combination of the factory method pattern and the singleton pattern. According to the analysis of features of FEM model, the paper presents the key rapid display technology, which is integrates the VBO OpenGL and removes the internal elements, therefore the large scale model can be displayed efficiently and the system realizes real time operations. Compared with several commercial finite element software systems, the proposed system demonstrates its superiority in visual efficiency and feasibility for super large scale problems and for software maintenance and reuse.

Copyright (c) 2017 by ASME
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