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Showing 1 to 2 of 2 for “"erweiterte Finite Elemente"”.
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Numerical methods for mass transport equations in two-phase incompressible flows
… for the surface force and the extended finite element (XFEM) for the pressure approximation. The combination of these methods delivers optimal error bounds when the surface tension coefficient is constant. For the general case with a variable surface tension coefficient, we introduce a …
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Numerical methods for three-dimensional incompressible two-phase flow problems
… interface. For the spatial discretization we use finite elements on a nested hierarchy of tetrahedral grids. An adaptive multilevel refinement algorithm allows for local refinement and coarsening of the grid hierarchy. By partial integration of the Laplace-Beltrami operator the weak formulation of …