Interface compression corrected scheme, based on counter-gradient transport, to maintain sharp interfaces during VoF simulations. More...
Interface compression corrected scheme, based on counter-gradient transport, to maintain sharp interfaces during VoF simulations.
The interface compression is applied to the face interpolated field from a suitable 2nd-order shape-preserving NVD or TVD scheme, e.g. vanLeer or vanAlbada. A coefficient is supplied to control the degree of compression, with a value of 1 suitable for most VoF cases to ensure interface integrity. A value larger than 1 can be used but the additional compression can bias the interface to follow the mesh more closely while a value smaller than 1 can lead to interface smearing.
Example:
divSchemes { . . div(phi,alpha) Gauss interfaceCompression vanLeer 1; . . }