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Coupled Systems Mechanics
  Volume 1, Number 1, March 2012 , pages 99-113
DOI: https://doi.org/10.12989/csm.2012.1.1.099
 

Algorithm for solving fluid-structure interaction problem on a global moving mesh
Soyibou Sy and Cornel Marius Murea

 
Abstract
    We present a monolithic semi-implicit algorithm for solving fluid-structure interaction problem at small structural displacements. The algorithm uses one global mesh for the fluid-structure domain obtained by gluing the fluid and structure meshes which are matching on the interface. The continuity of velocity at the interface is automatically satisfied and the continuity of stress does not appear explicitly in the global weak form due to the action and reaction principle. At each time step, we have to solve a monolithic system of unknowns velocity and pressure defined on the global fluid-structure domain. Numerical results are presented.
 
Key Words
    fluid-structure interaction; monolithic approach; semi-implicit algorithm
 
Address
Soyibou Sy and Cornel Marius Murea :Laboratoire de Mathematiques, Informatique et Applications, Universite de Haute Alsace, Mulhouse, France
 

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