Method: 3-d finite element modeling was computed and analyzed.
方法：采用三维有限元法建立模型并计算、分析。
Using the iterative solution technique, the matrix equation system in the 3-d finite element modeling of nondestructive probe signals can easily be solved.
而应用迭代解技术，可以加速无损探头信号有限元模拟的矩阵方程求解。
Then, it introduced the approach to evaluate footwear with finite element method, and the process of the reconstruction of the 3-d finite element Modeling of human foot - skeleton based on ct images.
然后介绍了通过有限元法评价足部用品的原理，以及根据CT图像建立三维足部骨骼有限元模型的过程。
D assembly FE modeling and dynamic elastoplastic analysis are carried out for the obturator structure of a floating gun breech mechanism by using nonlinear finite element code MSC MARC.
利用大型非线性有限元MARC ，对某自动迫击炮浮动炮闩闭气结构，进行了三维装配体有限元建模和动态弹塑性分析，获得了关键闭气构件的应力、塑性应变和变形的动态响应。
D assembly FE modeling and dynamic elastoplastic analysis are carried out for the obturator structure of a floating gun breech mechanism by using nonlinear finite element code MSC MARC.
利用大型非线性有限元MARC ，对某自动迫击炮浮动炮闩闭气结构，进行了三维装配体有限元建模和动态弹塑性分析，获得了关键闭气构件的应力、塑性应变和变形的动态响应。
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