Abstract
The paper presents a simultaneous solution procedure for fluid-structure interaction problems with application to building aeroelasticity. The structural motion is described with a geometrically nonlinear theory, and the flow field is modeled with the incompressible Navier-Stokes equations. The space-time finite element method is applied to both continua leading to a consistent discretization of fluid and structure. In order to enforce momentum conservation between both continua, a weighted residual formulation of coupling conditions is introduced. The monolithic approach ensures high convergence and accuracy of the solution and allows coupled stability analyses. A numerical example of membrane flutter demonstrates efficiency and versatility of the presented methodology.
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