Rigid finite element and limit analysis |
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| Authors: | Zhang Xiong Qian Lingxi |
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| Affiliation: | (1) Department of Civil Engineering, Chengdu University of Science and Technology, 610065 Chengdu, China;(2) Research Institute of Engineering Mechanics, Dalian University of Technology, 116023 Dalian, China |
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| Abstract: | According to the lower bound theorem of limit analysis the Rigid Finite Element Method (RFEM) is applied to structural limit analysis and the linear programmings for limit analysis are deduced in this paper. Moreover, the Thermo-Parameter Method (TPM) and Parametric Variational principles (PVP) are used to reduce the computational effort while maintaining the accuracy of solutions. A better solution is also obtained in this paper. The project supported by National Natural Science Foundation of China |
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| Keywords: | rigid finite element method Limit analysis plastic theory thermo-parametric method parametric variational principles |
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