Abstract
In this paper, we consider the unilateral frictional contact problem of a hyperelastic body in the case of large displacements and small strains. In order to retain the linear elasticityframework, we decompose the deformation into a large global rotation and a small elastic displacement. This corotational approach is combined with a primal-dual active set strategy to tackle the contact problem. The resulting algorithm preserves both energy and angular momentum.
| Original language | English |
|---|---|
| Pages (from-to) | 2488-2511 |
| Number of pages | 24 |
| Journal | SIAM Journal on Scientific Computing |
| Volume | 30 |
| Issue number | 5 |
| DOIs | |
| State | Published - 2007 |
| Externally published | Yes |
Keywords
- Active set strategy
- Contact problem
- Corotational formulation
- Elastodynamic
- Energy conservative schemes
- Large displacements
- Small strains
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