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本帖最后由 cashew 于 2014-3-7 10:07 编辑
使用:*Adaptive Mesh, elset=rod, FREQUENCY=1,MESH SWEEPS=3 时
问题一:对于自适应网格区域的选择.是不是所选区域不能有任何边界条件限制(即不能限制其自由度)?
在帮助上下载的例子一个都不能运算,因为都有对称的限制,都报同样的错误:
***ERROR: The requested number of domains cannot be created due to
restrictions in domain decomposition. The following limitations may
be helpful in understanding this behavior:
1. Contact pair requires that the surface nodes be in the same domain.
In the case of kinematic contact, elements associated with
the surface facets must also be in the same domain.
2. An adaptive mesh domain must be contained within a single
parallel domain. Nodes on the boundary between an adaptive
mesh domain and a nonadaptive domain must not be shared
with other parallel domains.
3. All the nodes involved in a kinematic constraint must
be in the same domain and must not be shared with other domains.
4. Nodes associated with beam elements whose center of mass
does not coincide with the location of the beam node or which
use the *BEAM ADDED INERTIA option must be within a single domain.
问题二:加自适应后即使能计算,但结果中并没有进行自适应划分(就是说加上诉关键字也不起作用).
实在是搞不清楚啦,期待大侠的回复,多谢!
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