求助，耦合出错
在做轴承耦合分析时，运行老是出错，查看cfd.out时，提示如下：ERROR #001100279 has occurred in subroutine ErrAction. |
| Message: |
| Floating point exception: Divide by zero
再查看ansys.out 时，有
Sending region name =fsi2
From sending process =CFX
to receiving process =ANSYS
Transferring variable=Total Force
Sending Side: Total Area =9.42441E-04
Non-Matching Area Fraction= 100.0000%
No. of Un-Mapped Nodes = 3264
Receiving Side: Total Area =9.54850E-04
Non-Matching Area Fraction= 100.0000%
No. of Un-Mapped Nodes = 1440
*** WARNING *** CP = 43.141 TIME= 22:39:11
The component MFLC_1_2_FORC_1 was created for MFLC,1,2,FORC,1 command
to display improperly mapped nodes.Set /debug,,2 for more
information on improperly mapped nodes.
*** FATAL *** CP = 45.781 TIME= 22:39:23
Error during get surface loads: Total Force.Error Message: Read.
上面的fsi2我定义的时油膜的内表面耦合界面，请问上面的Non-Matching Area Fraction和No. of Un-Mapped Nodes 是什么意思？
什么因素出现上面的这些错误？
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