91 research outputs found

    Interakce tekutiny se strukturou

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    The paper is concerned with two subjects: flow induced airfoil vibrations and flow through channels with moving walls. This problem appears, for example, in the simulation of flow through human vocal folds. Discontinuous Galerkin FEM is promising robust method for the solution of compressible flow and in combination with the ALE method, it allows the solution of flow problems in time dependent domains

    Interaction of fluid flow with an dirfoil

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    Numerical simulation of 2D oncompressible viscons fluid flow in interaktion with an vibrating dirfoil is described. The airfoil has two degrees of freedom, for rotation and translation. The Navier-Stokes and continuity equations are solved by finite element method associated with solution of ordinary differential equations describing the dirfoil motion. The computational domain is time dependent and the problem is solved by Arbitrary-Lagrangian-Eulerian (ALE) method

    Two Dimensional Compressible Fluid-Structure Interaction Model Using DGFEM

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