Aniket
Ansys Employee

  • To avoid self penetration, you can switch Body Self Contact to Yes under Body Interactions with the Trajectory method. 

  • If you are using the Proximity method, you can use the Pinball Factor. You can set it between 0.1 to 0.5, where 0.5 means 50% of the smallest element size. 

  • You can also try reducing the time step size. If the time step is large it may fail to detect contact. 


 
For more details on various options on Body Interactions, you can visit following Ansys Help link:
https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v195/exd_ag/ds_body_interactions.html
 

-Aniket


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