A Newton method using exact jacobians for solving fluid-structure coupling

By M. Fernández, M. Moubachir. 2005

346 citations recorded by the source corpus.

This paper aims at introducing a partitioned Newton based method for solving nonlinear coupled systems arising in the numerical approximation of fluid-structure interaction problems. We provide a method which characteristic lies in the use of exact cross jacobians evaluation involving the shape derivative of the fluid state with respect to solid motion perturbations. Numerical tests based on an implementation inside a 3D fluid-structure interaction code show how the exactness of the cross jacobians computation guarantee the overall convergence of the Newton's loop.

Subfields: Computational Mechanics

View Paper: https://www.semanticscholar.org/paper/e04361efd124445d9778a72fe778c0cacb453a12

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In Computational Mechanics

  1. Thomas J. R. Hughes
  2. Yuri Bazilevs
  3. Alfio Maria Quarteroni
  4. Victor Manuel Calo
  5. G. Em Karniadakis
  6. H. Baek
  7. Yongjie Jessica Zhang
  8. Wolfgang A. Wall

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