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- 2003-11-19
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- 1970-1-1
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问几个关于求解出错的问题:
1.我做热分析时(Heat Transfer)出现下面的错误,我检查了各个传热边界(films),应该是没问题,各个接触的设置也符合要求,单元类型是DC3D4和DC3D8两种单元也是用于热分析的,不知道原因出在什么地方。
Only degrees of freedom 11 and above can be active in the model for this procedure. Check the procedure and element types used in this model.
2.为什么计算过程中会出现下面的Warning呢,是接触对设置有问题吗,怎样才能把warning给消除。
For contact pair (assembly_blot_to_cyl1-assembly_cyl_to-bolt1), adjusted nodes with very small adjustments were not printed. Specify *preprint,contact=yes for complete printout.
Not all the nodes that do not find intersection with the master surface are printed. However all of these nodes have been included in a node set.
For contact pair (assembly_exguid_to_cyl2-assembly_cyl_to_exguid2), not all the nodes that have been adjusted were printed. Specify *preprint,contact=yes for complete printout.
For *tie pair (assembly_blot_to_block4-assembly_block_to_bolt4), not all the nodes that have been adjusted were printed. Specify *preprint,model=yes for complete printout.
3.作热分析时,是否要把每个面的换热边界都设定;但是当模型复杂的时候,工作量太大,而且有些面对结果影响不大,是否有些次要的面部设定边界(例如与大气换热的边界)不用设定,不设定的话计算时他是怎么处理的,是按初始条件中的predefined fields处理吗?
清高手赐教,谢谢! |
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