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The use of velocity discontinuities to define shear failure trajectories in dynamic plastic deformation

soipolon 添加于 2017/7/24 15:25:41  151次阅读 | 0次推荐 | 0个评论

A correlation is confirmed between the appearance of velocity discontinuities in the finite element simulation of dynamic deformation problems and observed adiabatic shear failures. It is shown that such velocity discontinuities can be identified by maxima in shear strain rate in the finite element solutions, and an approach for developing a shear failure algorithm suitable for either adiabatic shear or shear fracture is indicated.

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