关于1D网格和2D网格并存的情况下总是出现的错误！

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信息清单创建者：  lixin  
日期  ： 2009-12-26 16:18:42  
, D2 f$ C9 Z, z. x. r& B( v% Y* A当前工作部件  ： E:\ug\chejia_1\model1_sim1.sim  
$ H1 U, Q# Q- `& c节点名  ： ec-yzb-03  
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解算方案综合检查错误汇总
求解器是 NX NASTRAN
+ i8 f" Q0 H6 h( ^0 J0 J 环境： NX NASTRAN - 结构
解算方案是 SESTATIC 101 - 多约束
# s$ S: K/ d3 `Mesh-Based Errors Summary

Total: 0 error and 0 warning
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# N6 l  x! @0 F& {# T1 GMaterial-Based Errors Summary
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3 u5 D& E( [; U2 iTotal: 0 error and 0 warning
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3 B) C( r- c" p! ]Solution-Based Errors Summary
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警告
" F- w& r, M. @7 r5 y- Y# tNo loads defined in step "Subcase - Loads, Constraints 1".

Total: 0 error and 1 warning

4 C/ F7 N/ {5 N, x8 w& \) qLoad/BC-Based Errors Summary

1 w5 \! d, z8 p5 iERROR
Constraint "UserDefined(1)" is applied to dependent nodes of a mesh mating condition,
edge-face connection, rigid link or weld mesh.
建议：从关联几何体中移除 BC。
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( C- R" l6 F, V7 YERROR
, E, R" n* Z. ~7 [0 ~* oConstraint "UserDefined(2)" is applied to dependent nodes of a mesh mating condition,
: S0 q3 O- h. w+ G, V! ^/ X& @edge-face connection, rigid link or weld mesh.
# t9 b9 l  R" |# m# Z建议：从关联几何体中移除 BC。
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ERROR
Constraint "UserDefined(3)" is applied to dependent nodes of a mesh mating condition,
! c7 D3 F) _9 A5 Dedge-face connection, rigid link or weld mesh.
建议：从关联几何体中移除 BC。

ERROR
Constraint "UserDefined(4)" is applied to dependent nodes of a mesh mating condition,
edge-face connection, rigid link or weld mesh.
0 S$ R- Y/ x2 O* M$ G建议：从关联几何体中移除 BC。

Total: 4 errors and 0 warning
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Nastran Model Check Completed
   
我不明白为什么会出现这种问题   
  \& j/ b+ Z' n3 G! c我想加接触定义就的用到1D网格可是在划分网格时的用2D于是就出现了这种情况