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Hyperelastic tubes contacting

Author: Vicente Mataix Ferrándiz

Kratos version: Current head

Source files: Hyperelastic tubes contacting

Case Specification

The problem consists in two cylinders with hyperelastic behaviour. We impose a vertical displacement in the upper cylinder. The two cylinders become into contact and deal with self-contact in the inner ring of the upper cylinder.

Mesh1

Materials:

  • Upper Cylinder. E=10000 ν=0.3
  • Lower Cylinder. E=100000 ν=0.3

Results

Final state

Displacement:

Mesh2

VM stress:

Mesh2

Animation

Displacement:

Mesh2

Mesh2

VM stress:

Mesh2

References

  • [Poulios, Konstantinos] An unconstrained integral approximation of large sliding frictional contact between deformable solids.

Source:

https://github.com/KratosMultiphysics/Examples/tree/master/contact_structural_mechanics/use_cases/hyperelastic_tubes