Wang Zi-kun, Wei Xue-xia, Gao Xin-liu. Solution of the Plane Stress Problems of Strain-Hardening Materials Described by Power-Law Using the Complex Pseudo-Stress Function[J]. Applied Mathematics and Mechanics, 1991, 12(5): 455-464.
Citation: Wang Zi-kun, Wei Xue-xia, Gao Xin-liu. Solution of the Plane Stress Problems of Strain-Hardening Materials Described by Power-Law Using the Complex Pseudo-Stress Function[J]. Applied Mathematics and Mechanics, 1991, 12(5): 455-464.

Solution of the Plane Stress Problems of Strain-Hardening Materials Described by Power-Law Using the Complex Pseudo-Stress Function

  • Publish Date: 1991-05-15
  • In the present paper, the compatibility equation for the plane stress problems of power-law materials is transformed into a biharmonic equation by introducing the so-called complex pseudo-stress function, which makes it possible to solve the elastic-plastic plane stress problems of strain hardening materials described by power-law using the complex variable function method like that in the linear elasticity theory. By using this general method, the close-formed analytical solutions for the stress, strain and displacement components of the plane stress problems of power-law materials is deduced in the paper, which can also be used to solve the elasto-plastic plane stress problems of strain-hardening materials other than that described by power-law. As an example, the problem of a power-law material infinite plate containing a circular hole under uniaxial tension is solved by using this method, the results of which are compared with those of a known asymptotic analytical solution obtained by the perturbation method.
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