QHDTEqn.H File Reference

Solver for unsteady 3D turbulent flow of incompressible fluid governed by quasi-hydrodynamic dynamic (QHD) equations. More...

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Functions
	if (implicitDiffusion)

Variables
surfaceScalarField	phiTauTReg = tauQGDf*phiu*(Uf & gradTf)
	else

Detailed Description

Solver for unsteady 3D turbulent flow of incompressible fluid governed by quasi-hydrodynamic dynamic (QHD) equations.

Original source file QHDTEqn.H

QHD system of equations has been developed by scientific group from Keldysh Institute of Applied Mathematics, see http://elizarova.imamod.ru/selection-of-papers.html

A comprehensive description of QGD equations and their applications can be found here:

Elizarova, T.G.
"Quasi-Gas Dynamic equations"
Springer, 2009

A brief of theory on QGD and QHD system of equations:

Elizarova, T.G. and Sheretov, Y.V.
"Theoretical and numerical analysis of quasi-gasdynamic and quasi-hydrodynamic
equations"
J. Computational Mathematics and Mathematical Physics, vol. 41, no. 2, pp 219-234,
2001

Developed by UniCFD group (www.unicfd.ru) of ISP RAS (www.ispras.ru).

Definition in file QHDTEqn.H.

Function Documentation

if

(

implicitDiffusion

)

Definition at line 60 of file QHDTEqn.H.

References gradTf, implicitDiffusion(), phi, phiTauTReg, phiTf(), phiu, Foam::qgdFlux(), solve(), T, tauQGDf, Tf, and Uf.

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Variable Documentation

surfaceScalarField phiTauTReg = tauQGDf*phiu*(Uf & gradTf)

Definition at line 57 of file QHDTEqn.H.

Referenced by if(), and main().

else

Initial value:

{
        solve
        (
            fvm::ddt(T)
          + fvc::div(phiTf)
          - fvc::laplacian(Hif,T)
          - fvc::div(phiTauTReg)
          ==
          TSu
        )

Definition at line 73 of file QHDTEqn.H.