Modeling tumor resection

[Lesage,Anne Cecile J]

Dear all

 

With a poroelastic model in getfem, I was able to simulate brain shift during surgery before resection

I would like to try a resection model now

As you can see in the image one successful and pertinent method will be to compute the pressure/stress generated at the tumor boundary.

Remove the tumor elements and apply the tumor stress/pressure exterior field in the reverse direction on the resection cavity

 

How can I compute the stress in a interior surface of my mesh and reapply it in the opposite direction?

 

Best Regards

Anne-Cecile

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