Abstract
An improved material point method (MPM) algorithm is proposed in this paper with considering shock temperature and melting point of the analyzed material with a high pressure. This algorithm is especially well suited for high-speed impacts cases which accompany with great deformations and high temperature environment. A Taylor impact test has been taken as an example to analyze the influence of the material softening caused by high temperature and the importance of shock temperature and melting point affected by high pressure in a high-speed impact simulation by MPM. Compared to the result simulated by classic MPM, the accuracy of the result simulated by the improved MPM which considers shock temperature and melting point affected by high pressure has been improved.
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