有限元法在激光焊接模拟中的应用XXXX(北京航空航天大学 机械工程及自动化学院 北京,100191)摘 要:本文简要介绍了有限元法的基本理论,结合激光焊接数值模拟给出了有限元法实现焊接模拟的主要步骤,阐述了国内近10年激光焊接数值模拟的研究现状。关键字:有限元法;激光焊接;高斯热源;研究现状Application of Finite Element Methodin the Simulation of Laser WeldingXXXX(School of Mechanical Engineering, Beihang University, Beijing 100191, China)Abstract: The basic theory of finite element method is discussed in this paper, the main steps of applying the finite element method to solve the numeric simulation o