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Method and system for numerically simulating foam-like material in finite element analysis
Method and system for numerically simulating foam-like material in finite element analysis
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机译:有限元分析中泡沫状材料数值模拟的方法和系统
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摘要
A method and system to numerically simulating structural responses of a highly compressible material such as foam in finite element analysis is disclosed. According to one aspect of the simulation, a new improved method for calculating structural responses is derived using the following assumptions: uniaxial loading and isotropic material. As a result of the new method, Ogden polynomial stress function f(λ) is replaced by a tabulated function depending upon only a set of stress-strain curves obtained via uniaxial tension and compression tests. The method is implemented in a finite element analysis software product.
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