Fundamental Relations between Prandtl-Reuss Type Plastic Body and Maxwell Type Viscoelastic Body
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概要
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The paper deals with the fundamental relations between a Prandtl-Reuss type plastic body represented by the incremental strain theory and a Maxwell type viscoelastic body offered by the author. The Maxwell type viscoelastic body is assumed to be isotropic. Further the restrictions that Hooke's law holds with respect to elasticity and that the equivalent plastic strain integrated over the strain-path is a certain function of the equivalent stress in the loading process, are imposed on the body ; then it is demonstrated that the Maxwell type viscoelastic body imposed by these restrictions denotes a Prandtl-Reuss type plastic one. The paper concludes that the Prandtl-Reuss type plastic body is a special case of the Maxwell type viscoelastic one.
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