large deformation divergence
Could you please give me your point of view about the following problem when running my simulation?
Basically there are two bodies (A and one (A) surrounds the upper part of another (B) and is bonded to this latter. In fact, I have assigned a frictionless contact between the anterior surface of body B and the inners surface of body A. A displacement is applied to body B in order to move anteriorly until touching the inner surface of body A and unfold it to allow the stretching due to the displacement. the top surface of body A is constrained in the space in the three degrees of freedom.
During the solution, the body B moves correctly against body A (picture 1), but then high distortion occurs at the border that if fixed and divergence occur (picture 2).
Do you have an idea on how to solve the problem?
The material of body A is hyperelastic, Mooney Rivlin to allow a great deformation.