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The optimal control variational principle and finite elements analysis for viscoplastic dynamics |
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| Authors: | Ma Jinghuai |
| Institution: | Xinjiang Petroleum Institute, Wulumuqi 830000, P. R. China |
| Abstract: | This paper presents the optimal control variational principle for Perzyna model which is one of the main constitutive relation of viscoplasticity in dynamics. And it could also be transformed to solve the parametric quadratic programming problem. The FEM form of this problem and its implementation have also been discussed in the paper. |
| Keywords: | viscoplastic dynamics optimal control variational principle finite element method |
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