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A model reduction technique based on the PGD for elastic-viscoplastic computational analysis

机译:基于PGD的模型简化技术用于弹粘塑性计算分析

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摘要

In this paper a model reduction approach for elastic-viscoplastic evolution problems is considered. Enhancement of the PGD reduced model by a new iterative technique involving only elastic problems is investigated and allows to reduce CPU cost. The accuracy of the solution and convergence properties are tested on an academic example and a calculation time comparison with the commercial finite element code Abaqus is presented in the case of an industrial structure.
机译:本文考虑了弹性粘塑性演化问题的模型简化方法。研究了通过仅涉及弹性问题的新迭代技术对PGD简化模型的增强,并降低了CPU成本。在一个学术实例上测试了解的准确性和收敛性,并在工业结构的情况下给出了与商业有限元代码Abaqus的计算时间比较。

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