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ON HYPERELASTIC CONDITION OF RATE-FORM ELASTICPLASTIC CONSTITUTIVE LAW AT FINITE DEFORMATION[J]. Chinese Journal of Theoretical and Applied Mechanics, 1991, 23(2): 248-251. doi: 10.6052/0459-1879-1991-2-1995-834
Citation: ON HYPERELASTIC CONDITION OF RATE-FORM ELASTICPLASTIC CONSTITUTIVE LAW AT FINITE DEFORMATION[J]. Chinese Journal of Theoretical and Applied Mechanics, 1991, 23(2): 248-251. doi: 10.6052/0459-1879-1991-2-1995-834

ON HYPERELASTIC CONDITION OF RATE-FORM ELASTICPLASTIC CONSTITUTIVE LAW AT FINITE DEFORMATION

doi: 10.6052/0459-1879-1991-2-1995-834
  • Publish Date: 1991-03-25
  • It is proved that if the objective stress rate is taken as the Oldroyd rate of the Kirchhoff stress tensor, the integrability condition of the rate-form elastic constitutive law is λ=0, provided that the Lame parameters λ and μ are. constants. This fact renders the rate-form elastic-plastic constitutive law incompatible with the hyperelastic framework in the regime of finite deformation. Several particular situations in which the rate-form elastic con-stitutive laws can be approximately applied to the case ...

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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