Summary
The twin-shear slip line field theory for plane strain problems based on the twin-shear yield function is described in this chapter. The twin-shear slip line field theory for plane strain problems includes orthogonal and non-orthogonal slip line field. It is different from the used orthogonal or non-orthogonal slip line field theories based on single-shear strength theories (Tresca and Mohr-Coulomb materials). The new method can reflect the effect of intermediate principal stress of plane strain, where the intermediate principal stress is the principal stress in z direction.
The twin-shear slip theory can be used for those materials with obvious effect of the intermediate principal stress. Five examples are used to illustrate the applications of the twin-shear slip lines field.
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(2006). Twin-Shear Slip-Line Field for Plane Strain Problem. In: Generalized Plasticity. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-30433-9_8
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DOI: https://doi.org/10.1007/3-540-30433-9_8
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