Using method of three dimensional FEM analysis, whole stress distribution in the joints is are obtained.
用三维弹塑性有限元分析方法，全面分析了点焊搭接接头的应力分布情况。
Thermal-structural analysis was performed for ultrasonic wire bonding(UWB) by three dimensional finite element method(FEM).
用三维有限元方法对超声波线焊进行了瞬态的热-结构分析。
Firstly, the actual stress history of the projecting beam's maximal stress area is acquired by integrating the three-dimensional FEM analysis calculation and the dynamic stress test at field.
本文通过三维有限单元法分析计算与现场动态应力检测相结合，得到各工况下主梁最大应力部位的实际应力—时间历程。
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