Interpolation schemes are used to transform cell-centre quantities to face centres. The operation is used in many of the finite volume calculations, e.g. for the calculation of gradient, divergence, and Laplacian terms.
Interpolation schemes are specified in the fvSchemes file under the interpolationSchemes
sub-dictionary using the syntax:
A wide variety of interpolation schemes are available, ranging from those that are based solely on geometry, and others, e.g. convection schemes that are functions of the local flow.
General
Convection
Source code:
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