热-机耦合(仿照机械工程应用例子)出现错误

liuyang5299

采用预定义速度场，两种不同材料实体单元。下实体固定，上部实体旋转，施加压力。模拟摩擦生热。

ping_long

你的CAE文件，我下载了打不开，把错误信息贴出来，或者上传input。

liuyang5299

ping_long 发表于 2011-12-16 16:54
你的CAE文件，我下载了打不开，把错误信息贴出来，或者上传input。

错误信息：
***WARNING: There are 6 warning messages in the data (.dat) file.  Please
            check the data file for possible errors in the input file.



***ERROR: Thermal contact has been defined between the surfaces
          ASSEMBLY__PICKEDSURF49 and ASSEMBLY__PICKEDSURF50, but no
          temperature degrees of freedom associated with the surface
          ASSEMBLY__PICKEDSURF49.


***WARNING: *Gap Heat Generation defined between the surfaces
            ASSEMBLY__PICKEDSURF49 and ASSEMBLY__PICKEDSURF50 will be ignored
            since no temperature degrees of freedom associated with the
            surface ASSEMBLY__PICKEDSURF49.


***ERROR: Thermal contact has been defined between the surfaces
          ASSEMBLY__PICKEDSURF49 and ASSEMBLY__PICKEDSURF50, but no
          temperature degrees of freedom associated with the surface
          ASSEMBLY__PICKEDSURF49.


***WARNING: *Gap Heat Generation defined between the surfaces
            ASSEMBLY__PICKEDSURF49 and ASSEMBLY__PICKEDSURF50 will be ignored
            since no temperature degrees of freedom associated with the
            surface ASSEMBLY__PICKEDSURF49.

liuyang5299

版本是6.10的

江冰韵

but no1 _8 K9 }/ p; p
          temperature degrees of freedom associated with the surface2 |! C) B* f$ P" `9 j4 c
          ASSEMBLY__PICKEDSURF49.5 o  a3 |& b& A: b7 ]4 f& [

表示网格类型错误，设置网格类型 选择相应的分析步网格类型。

江冰韵

选择相应的网格类型。

liuyang5299

江冰韵 发表于 2011-12-20 21:44
选择相应的网格类型。

谢谢，但是还有一个错误
  The maximum ratio of deformation speed to wave speed is 0.60470 in element
  389 of instance PART-1-1 at increment 2041.


  The maximum ratio of deformation speed to wave speed is 1.3267 in element
  389 of instance PART-1-1 at increment 2042.

lxch4cn

将load加载的速度降低

liuyang5299

lxch4cn 发表于 2011-12-20 22:52
将load加载的速度降低

谢谢 我分析的是在恒定转速下的温度应力，所以不能降低；我也尝试过降低，貌似也不可行