H, Enwald, E. Peirano, A-E Almstedt 'Eulerian Two-Phase Flow Theory Applied to Fluidization' Int. J. Multiphase Flow, Vol. 22, Suppl, pp. 21-66 (1996) Eq. 104, p. 42. More...
Public Member Functions | |
TypeName ("Ergun") | |
Runtime type information. More... | |
Ergun (const dictionary &interfaceDict, const phaseModel &phase1, const phaseModel &phase2) | |
Construct from components. More... | |
virtual | ~Ergun () |
Destructor. More... | |
tmp< volScalarField > | K (const volScalarField &Ur) const |
The drag function K used in the momentum eq. More... | |
Public Member Functions inherited from dragModel | |
TypeName ("dragModel") | |
Runtime type information. More... | |
declareRunTimeSelectionTable (autoPtr, dragModel, dictionary,(const dictionary &interfaceDict, const phaseModel &phase1, const phaseModel &phase2),(interfaceDict, phase1, phase2)) | |
dragModel (const dictionary &dict, const phaseModel &phase1, const phaseModel &phase2) | |
virtual | ~dragModel ()=default |
Destructor. More... | |
const phaseModel & | phase1 () const |
const phaseModel & | phase2 () const |
const dimensionedScalar & | residualPhaseFraction () const |
const dimensionedScalar & | residualSlip () const |
Additional Inherited Members | |
Static Public Member Functions inherited from dragModel | |
static autoPtr< dragModel > | New (const dictionary &dict, const phaseModel &phase1, const phaseModel &phase2) |
Protected Attributes inherited from dragModel | |
const dictionary & | interfaceDict_ |
const phaseModel & | phase1_ |
const phaseModel & | phase2_ |
dimensionedScalar | residualPhaseFraction_ |
dimensionedScalar | residualSlip_ |
H, Enwald, E. Peirano, A-E Almstedt 'Eulerian Two-Phase Flow Theory Applied to Fluidization' Int. J. Multiphase Flow, Vol. 22, Suppl, pp. 21-66 (1996) Eq. 104, p. 42.
Ergun | ( | const dictionary & | interfaceDict, |
const phaseModel & | phase1, | ||
const phaseModel & | phase2 | ||
) |
TypeName | ( | "Ergun" | ) |
Runtime type information.
|
virtual |
The drag function K used in the momentum eq.
ddt(alpha1*rho1*U1) + ... = ... alpha1*alpha2*K*(U1-U2) ddt(alpha2*rho2*U2) + ... = ... alpha1*alpha2*K*(U2-U1) ********************************** NB! ***************************** for numerical reasons alpha1 and alpha2 has been extracted from the dragFunction K, so you MUST divide K by alpha1*alpha2 when implementing the drag function ********************************** NB! *****************************
Implements dragModel.
Definition at line 68 of file Ergun.C.
References alpha2, Foam::constant::electromagnetic::e, Foam::max(), and Foam::sqr().