Abstract
The present article deals with the simulation of fluid structure interaction problems in large deformation, and discusses two aspects of their numerical solution: (i) the derivation of energy conserving time integration schemes in presence of fluid structure coupling, moving grids, and nonlinear kinematic constraints such as incompressibility and contact, (ii) the introduction of adequate preconditioners efficiently chaining local fluid and structure solvers. Solutions are proposed, analyzed and tested using nonlinear energy correcting terms, and added mass based Dirichlet Neumann preconditioners. Numerical applications include nonlinear impact problems in elastodynamics and blood flows predictions within flexible arteries. To cite this article: P. Le Tallec et al., C. R. Mecanique 333 (2005).
| Original language | English |
|---|---|
| Pages (from-to) | 910-922 |
| Number of pages | 13 |
| Journal | Comptes Rendus - Mecanique |
| Volume | 333 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 1 Jan 2005 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Added mass
- Computational fluid mechanics
- Energy conservation
- Fluid structure interaction
- Nonlinear elastodynamics
- Preconditioner
- Time integration
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