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FAQ
What are the meanings of the parameters that can be defined for the Extended surface-to-surface contact?
fbadmin(admin) Date: | Read : 3544

Q)
What are the meanings of the parameters that can be defined for the Extended surface-to-surface contact?
         - Max Penetration
         - Plane Tolerance Factor
         - Minimum Plane Tolerance
         - No. of Divided Cubic Cell


A) Max Penetration: A maximum penetration. If the penetration is greater than this value, the contact  force is not generated. A good guideline is to set it at 3~10 times the expected penetration. Plane Tolerance Factor: You can specify the surface tolerance factor as a value from 0 to 10. A smaller value produces a more refined patch, decrease plane tolerance factor. If decreasing plane tolerance factor has no effect on patch, decrease minimum plane tolerance. For very small geometries such as 1mm*1mm size, maybe they need to decrease minimum plane tolerance to get effective patch. Default value of minimum plane tolerance is 1.0e-5.




Minimum Plane Tolerance: If decreasing the place tolerance factor has no effect on the patch refinement, you should decrease the minimum plane tolerance. For very small surfaces(such as 1mm*1mm size), you may need to decrease minimum plane tolerance to get an effective patch. Note that the default value of the minimum plane tolerance is 1.0e-5
No. of Divided Cubic Cell: The number of cubic cells dividing contact boundary box in each direction. This value is automatically calculated, but can be modified by the user.
 



 
 

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