运用有限元模拟软件对不锈钢带凸缘半球面形件进行了拉延过程模拟。
The forming process of drawing of stainless steel flanged hemisphere-shaped workpiece is numerically simulated and analyzed by using the FEM simulation software.
通过计算机模拟验证了该加工方法的简便与可靠性，可以降低非球面反射镜加工的设备投入，提高生产效率。
The machining approach is verified to be simple and reliable by computer simulation, so the production efficiency can be improved and the equipment input can be reduced.
采用三维有限厚度带球面键槽接缝单元模拟拱坝横缝，推导了球面键槽的接触物理方程，探讨了球面键槽的最优中心角。
A 3-d isoparametric joint element with spherical surface key grooves of finite thickness is used to simulate transverse joints of arch dam.
将模拟出的风荷载作用于单层球面网壳，用有限元程序ANSYS进行了网壳结构的风振响应时程分析。
The simulated wind vibration loads are then applied to the time-history analysis of wind vibration response of single-layer spherical latticed shells by the finite-element program ANSYS.
实验之前对计算全息检测非球面的整个过程进行了模拟。
The whole process of CGH for aspheric surface testing is simulated before the experiment.
通过模拟比较，揭示了进给速度和轧制比对双球面环件轧制宽展变形与力能参数的作用规律。
Through simulation and comparison, the influence laws of feed velocity and different rolling ratio on transverse width deformation and force-energy parameters were opened out.
利用有限元模拟，应用上述方法对一单层球面网壳结构进行了损伤诊断。
The method is tested by the finite element analysis for a single-layer latticed shell.
对不同材料、不同厚度的圆柱面、球面及马鞍面三种典型形状的成形力进行了数值模拟，分析了成形力的变化过程及影响因素。
The forming forces for three typical shapes, i. e. cylindrical, spherical, and saddle surface of different materials with different thickness were simulated.
通过数值模拟发现，电极压力和电极球面半径是影响电极-工件间接触面大小的主要因素；
The electrode-to-workpiece and workpiece-to-workpiece con tact behaviors are analyzed, and reasons for contact pressure distribution are explained.
通过数值模拟发现，电极压力和电极球面半径是影响电极-工件间接触面大小的主要因素；
The electrode-to-workpiece and workpiece-to-workpiece con tact behaviors are analyzed, and reasons for contact pressure distribution are explained.
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