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发表于 2003-8-24 02:52:35
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来自 德国
回复: 请教:屈服函数、tangent modulus、应力波与爆炸接触
maybe i could share mine info with U.
1. the formula U wrote there is exactly MAT3 in LS-DYNA:
*MAT_PLASTIC_KINEMATIC, it is a bilinear material model with plasic harding, which is suitable to model isoplastic and kinematic hardening.
U can find more details in LS-DYNA Theory Manual( P16.8), where has also briefly the countiuum funtions, in der reference u can find more info.
In the Keywords Manual U can find discription und how to use it.
also within LS-DNYA or with ANSYS they give examples using MAT3.
2. for MAT3, bilinear material model, has 2 modules(E[sub]young[/sub]:: youngs modul and E[sub]tan[/sub]:tangent modulus) to discribe its linear elasticityE[sub]young[/sub]and its plasticityE[sub]tan[/sub].
U can also find the graph in p.20.30 in Keywords Manual. |
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