The topological optimization for truss structures with stress constraints based on the exist-null combined model |
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| Authors: | Sui Yunkang Yu Xin |
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| Institution: | (1) School of Mechanical Engineering and Applied Electronic Technique, Beijing Polytechnic University, 100022 Beijing, China;(2) Research Institute of Engineering Mechanics, Dalian University of Technology, 116023 Dalian, China |
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| Abstract: | A new exist-null combined model is proposed for the structural topology optimization. The model is applied to the topology
optimization of the truss with stress constraints. Satisfactory computational result can be obtained with more rapid and more
stable convergence as compared with the cross-sectional optimization. This work also shows that the presence of independent
and continuous topological variable motivates the research of structural topology optimization.
The project supported by the State Key Laboratory for Structural Analysis of Industrial Equipment, Dalian University of Technology. |
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| Keywords: | structural topology optimization independent and continuous topological variable smooth model exist-null combination truss stress constraint |
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