MPF process concerns nonlinear fields on geometry, physics, andboundary, as well as complex discontinuous boundary problem. Nowadays thefinite element method (FEM) is a cogent tool to deal with the nonlinearproblems.

• 多点成形过程从力学观点来看属于几何、物理、边界条件三重非线性和边界条件非连续性的复杂问题，而有限元方法是目前进行非线性分析的最强有力的工具。