This thesis develops novel discontinuous Galerkin methods for the numerical simulation of fluid dynamical problems. It focuses on the accurate and computationally efficient solution of incompressible turbulent flows, which is realized through stabilized high-order discretization techniques, efficient preconditioners such as hybrid multigrid methods, and fast matrix-free algorithms. In addition, the applicability to coupled problems such as natural convection flows and fluid-structure interaction is shown.
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This thesis develops novel discontinuous Galerkin methods for the numerical simulation of fluid dynamical problems. It focuses on the accurate and computationally efficient solution of incompressible turbulent flows, which is realized through stabilized high-order discretization techniques, efficient preconditioners such as hybrid multigrid methods, and fast matrix-free algorithms. In addition, the applicability to coupled problems such as natural convection flows and fluid-structure interaction...
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