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Provides the defaults for the parameters required by the Forchheimer velocity approach. More...
#include <forchheimerfluxmodule.hh>
Public Member Functions | |
template<class Context > | |
Scalar | ergunCoefficient (const Context &, unsigned, unsigned) const |
Returns the Ergun coefficient. | |
template<class Context > | |
Evaluation | mobilityPassabilityRatio (Context &context, unsigned spaceIdx, unsigned timeIdx, unsigned phaseIdx) const |
Returns the ratio between the phase mobility ![]() ![]() ![]() | |
Provides the defaults for the parameters required by the Forchheimer velocity approach.
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Returns the Ergun coefficient.
The Ergun coefficient is a measure how much the velocity is reduced by turbolence. It is a quantity that does not depend on the fluid phase but only on the porous medium in question. A value of 0 means that the velocity is not influenced by turbolence.
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Returns the ratio between the phase mobility
The passability coefficient specifies the influence of the other fluid phases on the turbolent behaviour of a given fluid phase. By default it is equal to the relative permeability. The mobility to passability ratio is the inverse of phase' the viscosity.