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发表于 2012-4-23 15:05:21
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来自 陕西西安
287569502 发表于 2012-4-23 14:25 
symmetry只是生成的一个几何操作,在mechanical里会自动出现其命名,我觉得只是一种几何特征。frictionle ...
Frictionless Face
Prevents one or more flat or curved faces from moving or deforming in the normal direction.
Normal direction relative to the face. No portion of the surface body can move, rotate, or deform normal to the face.
Tangential directions. The surface body is free to move, rotate, and deform tangential to the face.
For a flat surface body, the frictionless support is equivalent to a symmetry condition.
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