Computational & Technology Resources
an online resource for computational,
engineering & technology publications 

CivilComp Proceedings
ISSN 17593433 CCP: 66
COMPUTATIONAL MECHANICS: TECHNIQUES AND DEVELOPMENTS Edited by: B.H.V. Topping
Paper X.1
Efficient Iteration Schemes for Nonlinear FluidStructure Interaction Problems H. Matthies and J. Steindorf
Institute for Scientific Computing, Technical University, Braunschweig, Germany H. Matthies, J. Steindorf, "Efficient Iteration Schemes for Nonlinear FluidStructure Interaction Problems", in B.H.V. Topping, (Editor), "Computational Mechanics: Techniques and Developments", CivilComp Press, Edinburgh, UK, pp 263267, 2000. doi:10.4203/ccp.66.10.1
Abstract
We look at the computatiorial procedure of computing the
response of a coupled fluidstructure interaction problem.
We use the so called strong fluidstructure coupling  a
totally implicit formulation. At each time step in an implicit
formulation, new values for the solution variables
have to be computed by solving a nonlinear system of
equations, where we assume that we have solvers for the
subproblems. This is often the case, when we have existing
software to solve each subproblem separately, and want to
couple both. We show how to solve the overall nonlinear
system by using only the solvers for the subproblems. This
is achieved not by considering the equilibrium equations,
but the fixedpoint problem resulting from the solution
iteration for each of the subproblems.
purchase the fulltext of this paper (price £20)
go to the previous paper 
