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The following table shows which constraint options are available for each model type in a Cartesian coordinate system:
Model Type Constraint Options
3D Trans X, Trans Y, Trans Z, Rot X, Rot Y, Rot Z
plane strain and 2D axisymmetric Trans X, Trans Y, Rot Z
plane stress Trans X, Trans Y
Note: The software ignores any rotational degrees of freedom for 2D solids or solids in 3D models. If you specify constraints on Rot X, Rot Y, or Rot Z for these elements, the software ignores the constraints.
这是Pro/MECHANICA帮助文档里的话。不理解的我已经加上了红线。对于3D实体模型,我们不能指定旋转自由度?加了Pro/MECHANICA也会忽略?这篇帮助的标题是Constraint Options。看到很吃惊,完全颠覆了我以前对约束的认识。希望高手能给予解答,谢过。 |
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