An Extended Discontinuous Galerkin Framework for Multiphase Flows
An Extended Discontinuous Galerkin Framework for Multiphase Flows
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DOI:
10.1007/978-3-319-56602-3_3
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发表时间:
2017
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影响因子:
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通讯作者:
T. Utz;Christina Kallendorf;F. Kummer;B. Müller;M. Oberlack
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文献类型:
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作者:
T. Utz;Christina Kallendorf;F. Kummer;B. Müller;M. Oberlack
We present a framework for handling cut cells in a high order discontinuous Galerkin (DG) context. To describe the boundary between fluid phases, we use a level-set formulation. When the interface cuts a computational cell, we discretize the resulting sub-cells with the same DG method as used on standard cells. This requires a suitable quadrature procedure. Within this framework, we present a solver for the two-phase Navier-Stokes equation, a reinitialization procedure for the level-set and a solver for transport-processes on the surface.