The basic theory of hot forging forming process of thermodynamic couple num-erical simulation in rigid-viscoplastic finite element method is presented.

• 介绍了采用刚粘塑性有限元法热力耦合数值模拟热锻成形过程的基本原理，导出了以节点速度和节点温度对时间的导数为基本未知量的热力耦合方程式。