PTT model for viscoelasticity using the upper-convected time derivative of the stress tensor with support for multiple modes. More...
Public Types | |
| typedef BasicMomentumTransportModel::alphaField | alphaField |
| typedef BasicMomentumTransportModel::rhoField | rhoField |
 Public Types inherited from Maxwell< BasicMomentumTransportModel > | |
| typedef BasicMomentumTransportModel::alphaField | alphaField |
| typedef BasicMomentumTransportModel::rhoField | rhoField |
| Public Types inherited from laminarModel< BasicMomentumTransportModel > | |
| typedef BasicMomentumTransportModel::alphaField | alphaField |
| typedef BasicMomentumTransportModel::rhoField | rhoField |
Public Member Functions | |
| TypeName ("PTT") | |
| Runtime type information. More... | |
| PTT (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity, const word &type=typeName) | |
| Construct from components. More... | |
| PTT (const PTT &)=delete | |
| Disallow default bitwise copy construction. More... | |
| virtual | ~PTT () |
| Destructor. More... | |
| virtual bool | read () |
| Re-read model coefficients if they have changed. More... | |
| void | operator= (const PTT &)=delete |
| Disallow default bitwise assignment. More... | |
| Public Member Functions inherited from Maxwell< BasicMomentumTransportModel > | |
| TypeName ("Maxwell") | |
| Runtime type information. More... | |
| Maxwell (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity, const word &type=typeName) | |
| Construct from components. More... | |
| virtual | ~Maxwell () |
| Destructor. More... | |
| virtual tmp< volScalarField > | nuEff () const |
| Return the effective viscosity, i.e. the laminar viscosity. More... | |
| virtual tmp< scalarField > | nuEff (const label patchi) const |
| Return the effective viscosity on patch. More... | |
| virtual tmp< surfaceVectorField > | devTau () const |
| Return the effective surface stress. More... | |
| virtual tmp< fvVectorMatrix > | divDevTau (volVectorField &U) const |
| Return the source term for the momentum equation. More... | |
| virtual tmp< fvVectorMatrix > | divDevTau (const volScalarField &rho, volVectorField &U) const |
| Return the source term for the momentum equation. More... | |
| virtual void | predict () |
| The Maxwell stress is not predicted. More... | |
| virtual void | correct () |
| Correct the Maxwell stress. More... | |
| Public Member Functions inherited from laminarModel< BasicMomentumTransportModel > | |
| TypeName ("laminar") | |
| Runtime type information. More... | |
| declareRunTimeSelectionTable (autoPtr, laminarModel, dictionary,(const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity),(alpha, rho, U, alphaRhoPhi, phi, viscosity)) | |
| laminarModel (const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity) | |
| Construct from components. More... | |
| laminarModel (const laminarModel &)=delete | |
| Disallow default bitwise copy construction. More... | |
| virtual | ~laminarModel () |
| Destructor. More... | |
| virtual tmp< volScalarField > | nut () const |
| Return the turbulence viscosity, i.e. 0 for laminar flow. More... | |
| virtual tmp< scalarField > | nut (const label patchi) const |
| Return the turbulence viscosity on patch. More... | |
| virtual tmp< volSymmTensorField > | R () const |
| Return the Reynolds stress tensor [m^2/s^2], i.e. 0 for laminar flow. More... | |
| virtual tmp< volScalarField > | k () const |
| Return the turbulence kinetic energy, i.e. 0 for laminar flow. More... | |
| virtual tmp< volScalarField > | epsilon () const |
| Return the turbulence kinetic energy dissipation rate,. More... | |
| virtual tmp< volScalarField > | omega () const |
| Return the turbulence specific dissipation rate,. More... | |
| void | operator= (const laminarModel &)=delete |
| Disallow default bitwise assignment. More... | |
Protected Member Functions | |
| virtual tmp< fvSymmTensorMatrix > | sigmaSource (const label modei, volSymmTensorField &sigma) const |
| Protected Member Functions inherited from Maxwell< BasicMomentumTransportModel > | |
| PtrList< dimensionedScalar > | readModeCoefficients (const word &name, const dimensionSet &dims) const |
| Read a coefficient for all modes and return as a list. More... | |
| PtrList< dimensionedScalar > | readModeCoefficients (const word &type, const word &name, const dimensionSet &dims) const |
| Read a coefficient for all modes and return as a list. More... | |
| dimensionedScalar | sumNuM (const PtrList< dimensionedScalar > &nuM) const |
| Return the sum of the given list of mode viscosities. More... | |
| tmp< volScalarField > | nu0 () const |
| Return the effective viscosity. More... | |
| Protected Member Functions inherited from laminarModel< BasicMomentumTransportModel > | |
| const dictionary & | laminarDict () const |
| Const access to the laminar dictionary. More... | |
| const dictionary & | typeDict () const |
| Const access to the coefficients dictionary. More... | |
| const dictionary & | typeDict (const word &) const |
| Const access to the coefficients dictionary. More... | |
Protected Attributes | |
| PtrList< dimensionedScalar > | epsilons_ |
| Protected Attributes inherited from Maxwell< BasicMomentumTransportModel > | |
| dictionary | modeCoefficients_ |
| Mode coefficients dictionary. More... | |
| label | nModes_ |
| Number of modes. More... | |
| PtrList< dimensionedScalar > | nuM_ |
| Mode non-Newtonian viscosities. More... | |
| PtrList< dimensionedScalar > | lambdas_ |
| Mode time-scales. More... | |
| dimensionedScalar | nuMSum_ |
| Sum of mode non-Newtonian viscosities. More... | |
| volSymmTensorField | sigma_ |
| Single or mode sum viscoelastic stress. More... | |
| PtrList< volSymmTensorField > | sigmas_ |
| Mode viscoelastic stresses. More... | |
Additional Inherited Members | |
| Static Public Member Functions inherited from laminarModel< BasicMomentumTransportModel > | |
| static autoPtr< laminarModel > | New (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity) |
| Return a reference to the selected laminar model. More... | |
PTT model for viscoelasticity using the upper-convected time derivative of the stress tensor with support for multiple modes.
Reference:
Phan-Thien, N., & Tanner, R. I. (1977).
A new constitutive equation derived from network theory.
Journal of Non-Newtonian Fluid Mechanics, 2(4), 353-365.
| typedef BasicMomentumTransportModel::alphaField alphaField |
| PTT | ( | const alphaField & | alpha, |
| const rhoField & | rho, | ||
| const volVectorField & | U, | ||
| const surfaceScalarField & | alphaRhoPhi, | ||
| const surfaceScalarField & | phi, | ||
| const viscosity & | viscosity, | ||
| const word & | type = typeName |
||
| ) |
Disallow default bitwise copy construction.
|
protectedvirtual |
Reimplemented from Maxwell< BasicMomentumTransportModel >.
Definition at line 40 of file PTT.C.
References Foam::exp(), Foam::constant::physicoChemical::sigma, Foam::fvm::Sp(), and Foam::tr().
| TypeName | ( | "PTT< BasicMomentumTransportModel >" | ) |
Runtime type information.
|
virtual |
Re-read model coefficients if they have changed.
Reimplemented from Maxwell< BasicMomentumTransportModel >.
Definition at line 88 of file PTT.C.
References Foam::dimless.
|
delete |
Disallow default bitwise assignment.
|
protected |
1.9.1