예제 #1
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def _hEqn( rho, h, phi, turbulence, DpDt, thermo ):
    from Foam import fvm
    from Foam.finiteVolume import solve
    solve( fvm.ddt(rho, h) + fvm.div( phi, h ) - fvm.laplacian( turbulence.alphaEff(), h ) == DpDt )

    thermo.correct()
    pass
예제 #2
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def fun_UEqn(mesh, U, p_rgh, ghf, rho, rhoPhi, turbulence, twoPhaseProperties, momentumPredictor, finalIter):
    from Foam.OpenFOAM import word
    from Foam.finiteVolume import surfaceScalarField
    from Foam import fvc

    muEff = surfaceScalarField(word("muEff"), twoPhaseProperties.muf() + fvc.interpolate(rho * turbulence.ext_nut()))

    from Foam import fvm, fvc

    UEqn = fvm.ddt(rho, U) + fvm.div(rhoPhi, U) - fvm.laplacian(muEff, U) - (fvc.grad(U) & fvc.grad(muEff))

    if finalIter:
        UEqn.relax(1.0)
        pass
    else:
        UEqn.relax()
        pass

    if momentumPredictor:
        from Foam.finiteVolume import solve

        solve(
            UEqn == fvc.reconstruct((-ghf * fvc.snGrad(rho) - fvc.snGrad(p_rgh)) * mesh.magSf()),
            mesh.solver(U.select(finalIter)),
        )
        pass

    return UEqn
예제 #3
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    def step(self, getPISOControls):
        from Foam.OpenFOAM import ext_Info, nl

        ext_Info() << "Time = " << self.runTime.timeName() << nl << nl

        piso, nCorr, nNonOrthCorr, momentumPredictor, transonic, nOuterCorr = getPISOControls(self.mesh)

        from Foam.finiteVolume.cfdTools.incompressible import CourantNo

        CoNum, meanCoNum = CourantNo(self.mesh, self.phi, self.runTime)

        from Foam import fvm

        UEqn = fvm.ddt(self.U) + fvm.div(self.phi, self.U) - fvm.laplacian(self.nu, self.U)

        from Foam import fvc
        from Foam.finiteVolume import solve

        solve(UEqn == -fvc.grad(self.p))

        # --- PISO loop

        for corr in range(nCorr):
            rUA = 1.0 / UEqn.A()

            self.U.ext_assign(rUA * UEqn.H())
            self.phi.ext_assign((fvc.interpolate(self.U) & self.mesh.Sf()) + fvc.ddtPhiCorr(rUA, self.U, self.phi))

            from Foam.finiteVolume import adjustPhi

            adjustPhi(self.phi, self.U, self.p)

            for nonOrth in range(nNonOrthCorr + 1):
                pEqn = fvm.laplacian(rUA, self.p) == fvc.div(self.phi)

                pEqn.setReference(self.pRefCell, self.pRefValue)
                pEqn.solve()

                if nonOrth == nNonOrthCorr:
                    self.phi.ext_assign(self.phi - pEqn.flux())
                    pass

                pass

            from Foam.finiteVolume.cfdTools.incompressible import continuityErrs

            cumulativeContErr = continuityErrs(self.mesh, self.phi, self.runTime, self.cumulativeContErr)

            self.U.ext_assign(self.U - rUA * fvc.grad(self.p))
            self.U.correctBoundaryConditions()

            pass

        self.runTime.write()

        ext_Info() << "ExecutionTime = " << self.runTime.elapsedCpuTime() << " s" << "  ClockTime = " << self.runTime.elapsedClockTime() << " s" << nl << nl

        self.runTime += self.runTime.deltaT()

        return self.runTime.value()
예제 #4
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def Ueqn( mesh, phi, U, p, turbulence, oCorr, nOuterCorr, momentumPredictor ):
    from Foam import fvm, fvc
    UEqn = fvm.ddt(U) + fvm.div(phi, U) + turbulence.divDevReff(U)
    
    if ( oCorr == nOuterCorr - 1 ):
       UEqn.relax( 1.0 )
       pass
    else:
       UEqn.relax()
       pass
    
    rUA = 1.0/UEqn.A()
    
    from Foam.finiteVolume import solve
    if momentumPredictor:
       if ( oCorr == nOuterCorr - 1 ):
          from Foam.OpenFOAM import word
          solve( UEqn == -fvc.grad(p), mesh.solver( word( "UFinal" ) ) )
          pass
       else:
          solve( UEqn == -fvc.grad(p))
          pass
    else:
       U.ext_assign( rUA * ( UEqn.H() - fvc.grad( p ) ) )
       U.correctBoundaryConditions()
       pass
    
    return UEqn, rUA
예제 #5
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def fun_UEqn( mesh, pZones, rho, U, phi, turbulence, mrfZones, p, momentumPredictor, oCorr, nOuterCorr ):
    
    from Foam import fvm
    UEqn = pZones.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )
    
    if oCorr == nOuterCorr-1:
       UEqn.relax( 1.0 )
       pass
    else:
       UEqn.relax()
       pass
    
    mrfZones.addCoriolis( rho, UEqn )
    pZones.addResistance( UEqn )
    
    rUA = 1.0 / UEqn.A()
    
    if momentumPredictor:
       from Foam import fvc
       from Foam.finiteVolume import solve
       if oCorr == nOuterCorr-1:
          from Foam.OpenFOAM import word
          solve( UEqn == -fvc.grad( p ), mesh.solver( word( "UFinal" ) ) )
          pass
       else:
          solve( UEqn == -fvc.grad( p ) )
          pass
    else:
       U.ext_assign( rUA * ( UEqn.H() - fvc.grad( p ) ) )
       U.correctBoundaryConditions()
       pass
    
    return UEqn
예제 #6
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def _UEqn(mesh, alpha1, U, p, rho, rhoPhi, turbulence, g, twoPhaseProperties, interface, momentumPredictor):
    from Foam.OpenFOAM import word
    from Foam.finiteVolume import surfaceScalarField
    from Foam import fvc

    muEff = surfaceScalarField(word("muEff"), twoPhaseProperties.muf() + fvc.interpolate(rho * turbulence.ext_nut()))
    from Foam import fvm

    UEqn = fvm.ddt(rho, U) + fvm.div(rhoPhi, U) - fvm.laplacian(muEff, U) - (fvc.grad(U) & fvc.grad(muEff))

    UEqn.relax()

    if momentumPredictor:
        from Foam.finiteVolume import solve

        solve(
            UEqn
            == fvc.reconstruct(
                fvc.interpolate(rho) * (g & mesh.Sf())
                + (fvc.interpolate(interface.sigmaK()) * fvc.snGrad(alpha1) - fvc.snGrad(p)) * mesh.magSf()
            )
        )
        pass

    return UEqn
예제 #7
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def fun_UEqn(mesh, pZones, rho, U, phi, turbulence, mrfZones, p,
             momentumPredictor, oCorr, nOuterCorr):

    from Foam import fvm
    UEqn = pZones.ddt(rho, U) + fvm.div(phi, U) + turbulence.divDevRhoReff(U)

    if oCorr == nOuterCorr - 1:
        UEqn.relax(1.0)
        pass
    else:
        UEqn.relax()
        pass

    mrfZones.addCoriolis(rho, UEqn)
    pZones.addResistance(UEqn)

    rUA = 1.0 / UEqn.A()

    if momentumPredictor:
        from Foam import fvc
        from Foam.finiteVolume import solve
        if oCorr == nOuterCorr - 1:
            from Foam.OpenFOAM import word
            solve(UEqn == -fvc.grad(p), mesh.solver(word("UFinal")))
            pass
        else:
            solve(UEqn == -fvc.grad(p))
            pass
    else:
        U.ext_assign(rUA * (UEqn.H() - fvc.grad(p)))
        U.correctBoundaryConditions()
        pass

    return UEqn
예제 #8
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def Ueqn(mesh, phi, U, p, turbulence, oCorr, nOuterCorr, momentumPredictor):
    from Foam import fvm, fvc
    UEqn = fvm.ddt(U) + fvm.div(phi, U) + turbulence.divDevReff(U)

    if (oCorr == nOuterCorr - 1):
        UEqn.relax(1.0)
        pass
    else:
        UEqn.relax()
        pass

    rUA = 1.0 / UEqn.A()

    from Foam.finiteVolume import solve
    if momentumPredictor:
        if (oCorr == nOuterCorr - 1):
            from Foam.OpenFOAM import word
            solve(UEqn == -fvc.grad(p), mesh.solver(word("UFinal")))
            pass
        else:
            solve(UEqn == -fvc.grad(p))
            pass
    else:
        U.ext_assign(rUA * (UEqn.H() - fvc.grad(p)))
        U.correctBoundaryConditions()
        pass

    return UEqn, rUA
예제 #9
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def solveSolid( i, rhosCps,  Ks, Ts, nNonOrthCorr ):
    for nonOrth in range( nNonOrthCorr +1 ):
        from Foam.finiteVolume import solve
        from Foam import fvm
        solve( fvm.ddt( rhosCps[ i ], Ts[ i ]) - fvm.laplacian( Ks[ i ], Ts[ i ] ) )
        pass
      
    pass
예제 #10
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def solveSolid(i, rhosCps, Ks, Ts, nNonOrthCorr):
    for nonOrth in range(nNonOrthCorr + 1):
        from Foam.finiteVolume import solve
        from Foam import fvm
        solve(fvm.ddt(rhosCps[i], Ts[i]) - fvm.laplacian(Ks[i], Ts[i]))
        pass

    pass
예제 #11
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def _hEqn(rho, h, phi, turbulence, DpDt, thermo):
    from Foam import fvm
    from Foam.finiteVolume import solve
    solve(
        fvm.ddt(rho, h) + fvm.div(phi, h) -
        fvm.laplacian(turbulence.alphaEff(), h) == DpDt)
    thermo.correct()
    pass
예제 #12
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def _eEqn( rho, e, phi, turbulence, p, thermo ):
    from Foam import fvm, fvc
    from Foam.finiteVolume import solve
    solve( fvm.ddt( rho, e ) + fvm.div( phi, e ) - fvm.laplacian( turbulence.alphaEff(), e )
           == - p * fvc.div( phi / fvc.interpolate( rho ) ) )

    thermo.correct()
    pass
예제 #13
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def Ueqn( phi, U, p, turbulence ):
    from Foam import fvm, fvc
    UEqn = fvm.div( phi, U ) + turbulence.divR( U ) 
    UEqn.relax()
    from Foam.finiteVolume import solve
    solve( UEqn == -fvc.grad(p) )
           
    return UEqn
예제 #14
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def _UEqn(U, rho, phi, turbulence, p):
    from Foam import fvm
    UEqn = fvm.ddt(rho, U) + fvm.div(phi, U) + turbulence.divDevRhoReff(U)

    from Foam import fvc
    from Foam.finiteVolume import solve
    solve(UEqn == -fvc.grad(p))
    return UEqn
예제 #15
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def _UEqn( U, rho, phi, turbulence, p ):
    from Foam import fvm    
    UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )
    
    from Foam import fvc
    from Foam.finiteVolume import solve
    solve( UEqn == -fvc.grad( p ) )
    return UEqn
예제 #16
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def _eEqn(rho, e, phi, turbulence, p, thermo):
    from Foam import fvm, fvc
    from Foam.finiteVolume import solve
    solve(
        fvm.ddt(rho, e) + fvm.div(phi, e) -
        fvm.laplacian(turbulence.alphaEff(), e) == -p *
        fvc.div(phi / fvc.interpolate(rho)))

    thermo.correct()
    pass
예제 #17
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def Ueqn(phi, U, p, turbulence):
    from Foam import fvm, fvc

    UEqn = fvm.div(phi, U) + turbulence.divR(U)
    UEqn.relax()
    from Foam.finiteVolume import solve

    solve(UEqn == -fvc.grad(p))

    return UEqn
예제 #18
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def _UEqn(phi, U, p, turbulence, pZones, pressureImplicitPorosity, nUCorr):

    from Foam import fvm, fvc

    # Construct the Momentum equation

    # The initial C++ expression does not work properly, because of
    #  1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
    #  2. the order of expression arguments computation differs with C++
    # UEqn = fvm.div( phi, U ) - fvm.Sp( fvc.div( phi ), U ) + turbulence.divDevRhoReff( U )

    UEqn = turbulence.divDevRhoReff(U) + (fvm.div(phi, U) - fvm.Sp(fvc.div(phi), U))

    UEqn.relax()

    # Include the porous media resistance and solve the momentum equation
    # either implicit in the tensorial resistance or transport using by
    # including the spherical part of the resistance in the momentum diagonal

    trAU = None
    trTU = None
    if pressureImplicitPorousity:
        from Foam.OpenFOAM import sphericalTensor, tensor

        tTU = tensor(sphericalTensor.I) * UEqn.A()

        pZones.addResistance(UEqn, tTU)

        trTU = tTU.inv()

        from Foam.OpenFOAM import word

        trTU.rename(word("rAU"))

        U.ext_assign(trTU & (UEqn.H() - fvc.grad(p)))
        U.correctBoundaryConditions()

    else:
        pZones.addResistance(UEqn)

        from Foam.finiteVolume import solve

        solve(UEqn == -fvc.grad(p))

        trAU = 1.0 / UEqn.A()

        from Foam.OpenFOAM import word

        trAU.rename(word("rAU"))

        pass

    return UEqn, trTU, trAU
예제 #19
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def solveMomentumEquation( momentumPredictor, U, rho, phi, pd, gh, turb ):
    # Solve the Momentum equation
    from Foam import fvm
    UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turb.divDevRhoReff( U )

    UEqn.relax()
    if momentumPredictor :
        from Foam import fvc
        from Foam.finiteVolume import solve
        solve( UEqn == -fvc.grad(pd) - fvc.grad(rho) * gh )
        pass
    
    return UEqn
예제 #20
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def fun_pEqn( runTime, mesh, UEqn, p, p_rgh, phi, U, rho, rho1, rho2, rho10, rho20, gh, ghf, dgdt, pMin, \
              psi1, psi2, alpha1, alpha2, interface, transonic, oCorr, nOuterCorr, corr, nCorr, nNonOrthCorr ):
    rUA = 1.0/UEqn.A()
    
    from Foam import fvc
    rUAf = fvc.interpolate( rUA )

    p_rghEqnComp = None

    from Foam import fvm
    if transonic:
        p_rghEqnComp = fvm.ddt( p_rgh ) + fvm.div( phi, p_rgh ) - fvm.Sp( fvc.div( phi ), p_rgh )
        pass
    else:
        p_rghEqnComp = fvm.ddt( p_rgh ) + fvc.div( phi, p_rgh ) - fvc.Sp( fvc.div( phi ), p_rgh ) 
        pass

    U.ext_assign( rUA * UEqn.H() )

    from Foam.finiteVolume import surfaceScalarField
    from Foam.OpenFOAM import word
    phiU = surfaceScalarField( word( "phiU" ),
                               ( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) )

    phi.ext_assign(phiU + ( fvc.interpolate( interface.sigmaK() ) * fvc.snGrad( alpha1 ) - ghf * fvc.snGrad( rho ) ) * rUAf * mesh.magSf() )

    from Foam.finiteVolume import solve
    from Foam.OpenFOAM import scalar
    for nonOrth in range( nNonOrthCorr +1 ):
        p_rghEqnIncomp = fvc.div( phi ) - fvm.laplacian( rUAf, p_rgh ) 
        
        solve( ( alpha1.ext_max( scalar( 0 ) ) * ( psi1 / rho1 ) + alpha2.ext_max( scalar( 0 ) ) * ( psi2 / rho2 ) ) *p_rghEqnComp() + p_rghEqnIncomp,
               mesh.solver( p_rgh.select( oCorr == ( nOuterCorr - 1 ) and corr == ( nCorr-1 ) and nonOrth == nNonOrthCorr )  ) )

        if nonOrth == nNonOrthCorr:
            dgdt.ext_assign( ( alpha2.pos() * ( psi2 / rho2 ) - alpha1.pos() * ( psi1 / rho1 ) ) * ( p_rghEqnComp & p_rgh ) )
            phi.ext_assign( phi + p_rghEqnIncomp.flux() )
            pass

    U.ext_assign( U + rUA * fvc.reconstruct( ( phi - phiU ) / rUAf ) )
    U.correctBoundaryConditions()

    p.ext_assign( ( ( p_rgh + gh * ( alpha1 * rho10 + alpha2 * rho20 ) ) /( 1.0 - gh * ( alpha1 * psi1 + alpha2 * psi2 ) ) ).ext_max( pMin ) )

    rho1.ext_assign( rho10 + psi1 * p )
    rho2.ext_assign( rho20 + psi2 * p )

    from Foam.OpenFOAM import ext_Info, nl
    ext_Info() << "max(U) " << U.mag().ext_max().value() << nl
    ext_Info() << "min(p_rgh) " << p_rgh.ext_min().value() << nl
    pass
예제 #21
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def fun_UEqn( rho, U, phi, g, p, turb, mesh, momentumPredictor ) :
    # Solve the Momentum equation
    from Foam import fvm
    UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turb.divDevRhoReff( U )

    UEqn.relax()
    
    if momentumPredictor :
        from Foam import fvc
        from Foam.finiteVolume import solve
        solve( UEqn == fvc.reconstruct( fvc.interpolate( rho ) * ( g & mesh.Sf() )  - fvc.snGrad( p ) * mesh.magSf() ) )
        pass
    
    return UEqn
def _Ueqn( U, phi, turbulence, p, rhok, g, mesh, momentumPredictor ):
    from Foam import fvm
    # Solve the momentum equation

    UEqn = fvm.ddt( U ) + fvm.div( phi, U ) + turbulence.divDevReff( U )

    UEqn.relax()

    from Foam.finiteVolume import solve
    from Foam import fvc
    if momentumPredictor:
       solve( UEqn == fvc.reconstruct( ( fvc.interpolate( rhok ) * ( g & mesh.Sf() ) - fvc.snGrad( p ) * mesh.magSf() ) ) )
       
    return UEqn
예제 #23
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def fun_UEqn( rho, U, phi, ghf, p_rgh, turb, mesh, momentumPredictor ) :
    # Solve the Momentum equation
    from Foam import fvm
    UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turb.divDevRhoReff( U )

    UEqn.relax()
    
    if momentumPredictor :
        from Foam import fvc
        from Foam.finiteVolume import solve
        solve( UEqn == fvc.reconstruct( ( -ghf * fvc.snGrad( rho ) - fvc.snGrad( p_rgh ) )*mesh.magSf() ) )
        pass
    
    return UEqn
예제 #24
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def fun_UEqn( mesh, rho, phi, U, p_rgh, ghf, turbulence, finalIter, momentumPredictor ):
    
    from Foam import fvm, fvc    
    # Solve the Momentum equation
    UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )

    UEqn.relax()

    if momentumPredictor:
       from Foam.finiteVolume import solve
       solve( UEqn == fvc.reconstruct( ( - ghf * fvc.snGrad( rho ) - fvc.snGrad( p_rgh ) ) * mesh.magSf() ), 
              mesh.solver( U.select( finalIter) ) );

    return UEqn
def _Ueqn( U, phi, turbulence, p, rhok, g, mesh, momentumPredictor ):
    from Foam import fvm
    # Solve the momentum equation

    UEqn = fvm.ddt( U ) + fvm.div( phi, U ) + turbulence.divDevReff( U )

    UEqn.relax()

    from Foam.finiteVolume import solve
    from Foam import fvc
    if momentumPredictor:
       solve( UEqn == fvc.reconstruct( ( fvc.interpolate( rhok ) * ( g & mesh.Sf() ) - fvc.snGrad( p ) * mesh.magSf() ) ) )
       
    return UEqn
예제 #26
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def _UEqn(mesh, phi, U, p, turbulence, ocorr, nOuterCorr, momentumPredictor):
    from Foam import fvm
    UEqn = fvm.ddt(U) + fvm.div(phi, U) + turbulence.divDevReff(U)

    if ocorr != nOuterCorr - 1:
        UEqn.relax()
        pass

    if momentumPredictor:
        from Foam.finiteVolume import solve
        from Foam import fvc
        solve(UEqn == -fvc.grad(p))
        pass

    return UEqn
예제 #27
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def _UEqn( mesh, phi, U, p, turbulence, ocorr, nOuterCorr, momentumPredictor ):
    from Foam import fvm
    UEqn = fvm.ddt(U) + fvm.div(phi, U) + turbulence.divDevReff( U ) 
    
    if ocorr != nOuterCorr - 1:
       UEqn.relax()
       pass
    
    if momentumPredictor:
       from Foam.finiteVolume import solve
       from Foam import fvc
       solve( UEqn == -fvc.grad( p ) )
       pass
    
    return UEqn
예제 #28
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def fun_UEqn(mesh, rho, phi, U, p_rgh, ghf, turbulence, finalIter,
             momentumPredictor):

    from Foam import fvm, fvc
    # Solve the Momentum equation
    UEqn = fvm.ddt(rho, U) + fvm.div(phi, U) + turbulence.divDevRhoReff(U)

    UEqn.relax()

    if momentumPredictor:
        from Foam.finiteVolume import solve
        solve(
            UEqn == fvc.reconstruct(
                (-ghf * fvc.snGrad(rho) - fvc.snGrad(p_rgh)) * mesh.magSf()),
            mesh.solver(U.select(finalIter)))

    return UEqn
예제 #29
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def _UEqn(phi, U, p, turbulence, pZones, pressureImplicitPorosity, nUCorr,
          eqnResidual, maxResidual):

    from Foam import fvm, fvc
    # Construct the Momentum equation

    # The initial C++ expression does not work properly, because of
    #  1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
    #  2. the order of expression arguments computation differs with C++
    #UEqn = fvm.div( phi, U ) - fvm.Sp( fvc.div( phi ), U ) + turbulence.divDevRhoReff( U )

    UEqn = turbulence.divDevRhoReff(U) + (fvm.div(phi, U) -
                                          fvm.Sp(fvc.div(phi), U))

    UEqn.relax()

    # Include the porous media resistance and solve the momentum equation
    # either implicit in the tensorial resistance or transport using by
    # including the spherical part of the resistance in the momentum diagonal

    trAU = None
    trTU = None
    if pressureImplicitPorosity:
        from Foam.OpenFOAM import sphericalTensor, tensor
        tTU = tensor(sphericalTensor.I) * UEqn.A()

        pZones.addResistance(UEqn, tTU)

        trTU = tTU.inv()

        from Foam.OpenFOAM import word
        trTU.rename(word("rAU"))

        gradp = fvc.grad(p)

        for UCorr in range(nUCorr):
            U.ext_assign(trTU & (UEqn.H() - gradp))
            pass

        U.correctBoundaryConditions()
    else:
        pZones.addResistance(UEqn)

        from Foam.finiteVolume import solve
        eqnResidual = solve(UEqn == -fvc.grad(p)).initialResidual()

        maxResidual = max(eqnResidual, maxResidual)

        trAU = 1.0 / UEqn.A()

        from Foam.OpenFOAM import word
        trAU.rename(word("rAU"))

        pass

    return UEqn, trTU, trAU, eqnResidual, maxResidual
예제 #30
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def _UEqn(U, rho, phi, turbulence, p, momentumPredictor):
    from Foam import fvm
    # Solve the Momentum equation

    # The initial C++ expression does not work properly, because of
    #  1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
    #  2. the order of expression arguments computation differs with C++
    #UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )

    UEqn = turbulence.divDevRhoReff(U) + (fvm.ddt(rho, U) + fvm.div(phi, U))

    from Foam.finiteVolume import solve
    if momentumPredictor:
        from Foam.finiteVolume import solve
        from Foam import fvc
        solve(UEqn == -fvc.grad(p))
        pass

    return UEqn
예제 #31
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def _UEqn( U, rho, phi, turbulence, p, momentumPredictor ):
    from Foam import fvm
    # Solve the Momentum equation
    
    # The initial C++ expression does not work properly, because of
    #  1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
    #  2. the order of expression arguments computation differs with C++
    #UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )
    
    UEqn = turbulence.divDevRhoReff( U ) + ( fvm.ddt( rho, U ) + fvm.div( phi, U ) )

    from Foam.finiteVolume import solve
    if momentumPredictor:
       from Foam.finiteVolume import solve
       from Foam import fvc
       solve( UEqn == -fvc.grad( p ) )
       pass
   
    return UEqn
예제 #32
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def _UEqn( mesh, alpha1, U, p, rho, rhoPhi, turbulence, g, twoPhaseProperties, interface, momentumPredictor ):
    from Foam.OpenFOAM import word
    from Foam.finiteVolume import surfaceScalarField
    from Foam import fvc
    muEff = surfaceScalarField( word( "muEff" ),
                                twoPhaseProperties.muf() + fvc.interpolate( rho * turbulence.ext_nut() ) )
    from Foam import fvm

    UEqn = fvm.ddt( rho, U ) + fvm.div( rhoPhi, U ) - fvm.laplacian( muEff, U ) - ( fvc.grad( U ) & fvc.grad( muEff ) )
    
    UEqn.relax()

    if momentumPredictor:
       from Foam.finiteVolume import solve
       solve( UEqn == \
                   fvc.reconstruct( fvc.interpolate( rho ) * ( g & mesh.Sf() ) + \
                                    ( fvc.interpolate( interface.sigmaK() ) * fvc.snGrad( alpha1 ) - fvc.snGrad( p ) ) * mesh.magSf() ) )
       pass
    
    return UEqn
예제 #33
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def Ueqn( mesh, phi, U, rho, p, g, turbulence, eqnResidual, maxResidual ):
    from Foam import fvm, fvc
    UEqn = fvm.div( phi, U ) + turbulence.divDevRhoReff( U )
    UEqn.relax()
    
    from Foam.finiteVolume import solve
    eqnResidual = solve( UEqn() == fvc.reconstruct( fvc.interpolate( rho )*( g & mesh.Sf() ) - fvc.snGrad( p ) * mesh.magSf() ) ).initialResidual()
    
    maxResidual = max(eqnResidual, maxResidual)
       
    return UEqn, eqnResidual, maxResidual
예제 #34
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def Ueqn(phi, U, p, turbulence, eqnResidual, maxResidual):
    from Foam import fvm, fvc
    UEqn = fvm.div(phi, U) + turbulence.divDevReff(U)

    UEqn.relax()

    from Foam.finiteVolume import solve
    eqnResidual = solve(UEqn == -fvc.grad(p)).initialResidual()
    maxResidual = max(eqnResidual, maxResidual)

    return UEqn, eqnResidual, maxResidual
예제 #35
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def Ueqn( phi, U, p, turbulence, eqnResidual, maxResidual ):
    from Foam import fvm, fvc
    UEqn = fvm.div( phi, U ) + turbulence.divDevReff( U ) 

    UEqn.relax()
    
    from Foam.finiteVolume import solve
    eqnResidual = solve( UEqn == -fvc.grad(p) ).initialResidual()
    maxResidual = max(eqnResidual, maxResidual)
      
    return UEqn, eqnResidual, maxResidual
def fun_UEqn( phi, U, turbulence, pd, rho, gh, eqnResidual, maxResidual ):
    from Foam import fvm, fvc 
    UEqn = fvm.div(phi, U) - fvm.Sp(fvc.div(phi), U)+ turbulence.divDevRhoReff(U)

    UEqn.relax();

    from Foam.finiteVolume import solve
    eqnResidual = solve( UEqn == -fvc.grad( pd ) - fvc.grad( rho ) * gh ).initialResidual()

    maxResidual = max(eqnResidual, maxResidual);
    
    return UEqn, eqnResidual, maxResidual
def fun_UEqn( phi, U, p_rgh, turbulence, mesh, ghf, rhok, eqnResidual, maxResidual, momentumPredictor ):
    from Foam import fvm, fvc
    UEqn = fvm.div( phi, U ) + turbulence.divDevReff( U ) 
    UEqn.relax()
    
    if momentumPredictor:
       from Foam.finiteVolume import solve
       eqnResidual = solve( UEqn == fvc.reconstruct( ( - ghf * fvc.snGrad( rhok ) - fvc.snGrad( p_rgh ) )* mesh.magSf() ) ).initialResidual()
       maxResidual = max(eqnResidual, maxResidual)
       pass
       
    return UEqn, eqnResidual, maxResidual
예제 #38
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def fun_UEqn( mesh, alpha1, U, p, p_rgh, ghf, rho, rhoPhi, turbulence, g, twoPhaseProperties, interface, momentumPredictor, oCorr, nOuterCorr ):
    from Foam.OpenFOAM import word
    from Foam.finiteVolume import surfaceScalarField
    from Foam import fvc
    muEff = surfaceScalarField( word( "muEff" ),
                                twoPhaseProperties.muf() + fvc.interpolate( rho * turbulence.ext_nut() ) )
    from Foam import fvm

    UEqn = fvm.ddt( rho, U ) + fvm.div( rhoPhi, U ) - fvm.laplacian( muEff, U ) - ( fvc.grad( U ) & fvc.grad( muEff ) )
    
    UEqn.relax()

    if momentumPredictor:
       from Foam.finiteVolume import solve
       solve( UEqn == \
                   fvc.reconstruct( ( fvc.interpolate( interface.sigmaK() ) * fvc.snGrad( alpha1 ) - ghf * fvc.snGrad( rho ) \
                                                                                                 - fvc.snGrad( p_rgh ) ) * mesh.magSf(),
                                     mesh.solver( U.select( oCorr == nOuterCorr-1 ) ) ) )
       pass
    
    return UEqn
예제 #39
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def main_standalone(argc, argv):

    from Foam.OpenFOAM.include import setRootCase
    args = setRootCase(argc, argv)

    from Foam.OpenFOAM.include import createTime
    runTime = createTime(args)

    from Foam.OpenFOAM.include import createMesh
    mesh = createMesh(runTime)

    T, transportProperties, DT = _createFields(runTime, mesh)

    from Foam.OpenFOAM import ext_Info, nl
    ext_Info() << "\nCalculating temperature distribution\n" << nl

    while runTime.loop():
        ext_Info() << "Time = " << runTime.timeName() << nl << nl

        from Foam.finiteVolume.cfdTools.general.include import readSIMPLEControls
        simple, nNonOrthCorr, momentumPredictor, fluxGradp, transonic = readSIMPLEControls(
            mesh)

        from Foam.finiteVolume import solve
        from Foam import fvm
        for nonOrth in range(nNonOrthCorr + 1):
            solve(fvm.ddt(T) - fvm.laplacian(DT, T))
            pass

        write(runTime, mesh, T)

        ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
              "  ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl

        pass

    ext_Info() << "End\n" << nl

    import os
    return os.EX_OK
def fun_UEqn( turbulence, phi, U, rho, g, p, ghf, p_rgh, mesh, eqnResidual, maxResidual, momentumPredictor ):
    from Foam import fvm, fvc 
    UEqn = fvm.div(phi, U) + turbulence.divDevRhoReff(U)

    UEqn.relax()
    if momentumPredictor:
       from Foam.finiteVolume import solve
       eqnResidual = solve( UEqn == fvc.reconstruct( (- ghf * fvc.snGrad( rho ) - fvc.snGrad( p_rgh ) ) * mesh.magSf() ) ).initialResidual()

       maxResidual = max(eqnResidual, maxResidual)
       pass
    
    return UEqn, eqnResidual, maxResidual
예제 #41
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def main_standalone( argc, argv ):

    from Foam.OpenFOAM.include import setRootCase
    args = setRootCase( argc, argv )

    from Foam.OpenFOAM.include import createTime
    runTime = createTime( args )

    from Foam.OpenFOAM.include import createMesh
    mesh = createMesh( runTime )
    
    T, transportProperties, DT = _createFields( runTime, mesh )

    from Foam.OpenFOAM import ext_Info, nl
    ext_Info() << "\nCalculating temperature distribution\n" << nl
    
    while runTime.loop() :
        ext_Info() << "Time = " << runTime.timeName() << nl << nl
        
        from Foam.finiteVolume.cfdTools.general.include import readSIMPLEControls
        simple, nNonOrthCorr, momentumPredictor, transonic = readSIMPLEControls( mesh )
        
        from Foam.finiteVolume import solve
        from Foam import fvm
        for nonOrth in range( nNonOrthCorr + 1 ):
            solve( fvm.ddt( T ) - fvm.laplacian( DT, T ) )
            pass
        
        write( runTime, mesh, T )
        
        ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
              "  ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
        
        pass

    ext_Info() << "End\n" << nl 

    import os
    return os.EX_OK
예제 #42
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def main_standalone(argc, argv):

    from Foam.OpenFOAM.include import setRootCase
    args = setRootCase(argc, argv)

    from Foam.OpenFOAM.include import createTime
    runTime = createTime(args)

    from Foam.OpenFOAM.include import createMesh
    mesh = createMesh(runTime)

    T, U, transportProperties, DT, phi = _createFields(runTime, mesh)

    from Foam.OpenFOAM import ext_Info, nl
    ext_Info() << "\nCalculating scalar transport\n" << nl

    from Foam.finiteVolume.cfdTools.incompressible import CourantNo
    CoNum, meanCoNum, velMag = CourantNo(mesh, phi, runTime)

    while runTime.loop():
        ext_Info() << "Time = " << runTime.timeName() << nl << nl

        from Foam.finiteVolume.cfdTools.general.include import readSIMPLEControls
        simple, nNonOrthCorr, momentumPredictor, fluxGradp, transonic = readSIMPLEControls(
            mesh)

        from Foam.finiteVolume import solve
        from Foam import fvm
        for nonOrth in range(nNonOrthCorr + 1):
            solve(fvm.ddt(T) + fvm.div(phi, T) - fvm.laplacian(DT, T))
            pass

        runTime.write()
        pass

    ext_Info() << "End\n" << nl

    import os
    return os.EX_OK
예제 #43
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def _UEqn(mesh, U, rho, phi, turbulence, p, oCorr, nOuterCorr, momentumPredictor):
    from Foam import fvm

    # Solve the Momentum equation

    # The initial C++ expression does not work properly, because of
    #  1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
    #  2. the order of expression arguments computation differs with C++
    # UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )

    UEqn = turbulence.divDevRhoReff(U) + (fvm.ddt(rho, U) + fvm.div(phi, U))

    if oCorr == nOuterCorr - 1:
        UEqn().relax(1.0)
        pass
    else:
        UEqn().relax()
        pass

    rUA = 1.0 / UEqn.A()

    from Foam.finiteVolume import solve
    from Foam.OpenFOAM import word
    from Foam import fvc

    if momentumPredictor:
        if oCorr == nOuterCorr - 1:
            solve(UEqn == -fvc.grad(p), mesh.solver(word("UFinal")))
            pass
        else:
            solve(UEqn == -fvc.grad(p))
            pass
    else:
        U.ext_assign(rUA * (UEqn.H() - fvc.grad(p)))
        U.correctBoundaryConditions()
        pass

    return UEqn
예제 #44
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def main_standalone( argc, argv ):

    from Foam.OpenFOAM.include import setRootCase
    args = setRootCase( argc, argv )

    from Foam.OpenFOAM.include import createTime
    runTime = createTime( args )

    from Foam.OpenFOAM.include import createMesh
    mesh = createMesh( runTime )
    
    T, U, transportProperties, DT, phi = _createFields( runTime, mesh )

    from Foam.OpenFOAM import ext_Info, nl
    ext_Info() << "\nCalculating scalar transport\n" << nl
        
    from Foam.finiteVolume.cfdTools.incompressible import CourantNo
    CoNum, meanCoNum = CourantNo( mesh, phi, runTime )
    
    while runTime.loop():
        ext_Info() << "Time = " << runTime.timeName() << nl << nl
        
        from Foam.finiteVolume.cfdTools.general.include import readSIMPLEControls
        simple, nNonOrthCorr, momentumPredictor, fluxGradp, transonic = readSIMPLEControls( mesh )
        
        from Foam.finiteVolume import solve
        from Foam import fvm
        for nonOrth in range ( nNonOrthCorr + 1 ):
            solve( fvm.ddt( T ) + fvm.div( phi, T ) - fvm.laplacian( DT, T ) )
            pass

        runTime.write()
        pass
        
    ext_Info() << "End\n" << nl 

    import os
    return os.EX_OK
예제 #45
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def _UEqn(mesh, U, rho, phi, turbulence, p, oCorr, nOuterCorr,
          momentumPredictor):
    from Foam import fvm
    # Solve the Momentum equation

    # The initial C++ expression does not work properly, because of
    #  1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
    #  2. the order of expression arguments computation differs with C++
    #UEqn = fvm.ddt( rho, U ) + fvm.div( phi, U ) + turbulence.divDevRhoReff( U )

    UEqn = turbulence.divDevRhoReff(U) + (fvm.ddt(rho, U) + fvm.div(phi, U))

    if oCorr == nOuterCorr - 1:
        UEqn().relax(1.0)
        pass
    else:
        UEqn().relax()
        pass

    rUA = 1.0 / UEqn.A()

    from Foam.finiteVolume import solve
    from Foam.OpenFOAM import word
    from Foam import fvc
    if momentumPredictor:
        if oCorr == nOuterCorr - 1:
            solve(UEqn == -fvc.grad(p), mesh.solver(word("UFinal")))
            pass
        else:
            solve(UEqn == -fvc.grad(p))
            pass
    else:
        U.ext_assign(rUA * (UEqn.H() - fvc.grad(p)))
        U.correctBoundaryConditions()
        pass

    return UEqn
예제 #46
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def _UEqn( phi, U, p, turbulence, eqnResidual, maxResidual ):
    from Foam import fvm, fvc
    # Solve the Momentum equation
    
    # The initial C++ expression does not work properly, because of
    #  1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
    #  2. the order of expression arguments computation differs with C++
    #UEqn = fvm.div( phi, U ) - fvm.Sp( fvc.div( phi ), U ) + turbulence.divDevRhoReff( U ) 
    UEqn = turbulence.divDevRhoReff( U ) + ( fvm.div( phi, U ) - fvm.Sp( fvc.div( phi ), U ) )
    
    UEqn.relax()
    
    from Foam.finiteVolume import solve
    eqnResidual = solve( UEqn == -fvc.grad( p ) ).initialResidual() 

    maxResidual = max( eqnResidual, maxResidual )
   
    return UEqn, eqnResidual, maxResidual
예제 #47
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def _UEqn(phi, U, p, turbulence, eqnResidual, maxResidual):
    from Foam import fvm, fvc
    # Solve the Momentum equation

    # The initial C++ expression does not work properly, because of
    #  1. turbulence.divDevRhoReff( U ) - changes values for the U boundaries
    #  2. the order of expression arguments computation differs with C++
    #UEqn = fvm.div( phi, U ) - fvm.Sp( fvc.div( phi ), U ) + turbulence.divDevRhoReff( U )
    UEqn = turbulence.divDevRhoReff(U) + (fvm.div(phi, U) -
                                          fvm.Sp(fvc.div(phi), U))

    UEqn.relax()

    from Foam.finiteVolume import solve
    eqnResidual = solve(UEqn == -fvc.grad(p)).initialResidual()

    maxResidual = max(eqnResidual, maxResidual)

    return UEqn, eqnResidual, maxResidual
예제 #48
0
def main_standalone( argc, argv ):

    from Foam.OpenFOAM.include import setRootCase
    args = setRootCase( argc, argv )

    from Foam.OpenFOAM.include import createTime
    runTime = createTime( args )

    from Foam.OpenFOAM.include import createMeshNoClear
    mesh = createMeshNoClear( runTime )
    
    p, U, phi, fluid, pRefCell, pRefValue = _createFields( runTime, mesh )
    
    from Foam.finiteVolume.cfdTools.general.include import initContinuityErrs
    cumulativeContErr = initContinuityErrs()
    
    from Foam.OpenFOAM import ext_Info, nl
    ext_Info() << "\nStarting time loop\n" << nl 
    
    while runTime.loop() :
        ext_Info() << "Time = " << runTime.timeName() << nl << nl
        
        from Foam.finiteVolume.cfdTools.general.include import readPISOControls
        piso, nCorr, nNonOrthCorr, momentumPredictor, transonic, nOuterCorr = readPISOControls( mesh ) 
        
        from Foam.finiteVolume.cfdTools.incompressible import CourantNo
        CoNum, meanCoNum, velMag = CourantNo( mesh, phi, runTime )
        
        fluid.correct()
        from Foam import fvm, fvc
        
        UEqn = fvm.ddt( U ) + fvm.div( phi, U ) - fvm.laplacian( fluid.ext_nu(), U )
        
        from Foam.finiteVolume import solve
        solve( UEqn == -fvc.grad( p ) )
        
        # --- PISO loop

        for corr in range( nCorr ):
            rUA = 1.0 / UEqn.A()
            U.ext_assign( rUA * UEqn.H() )
            phi.ext_assign( ( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, U, phi ) )
            
            from Foam.finiteVolume import adjustPhi
            adjustPhi(phi, U, p)
            
            for nonOrth in range( nNonOrthCorr + 1): 
                
                pEqn = ( fvm.laplacian( rUA, p ) == fvc.div( phi ) )
                
                pEqn.setReference( pRefCell, pRefValue )
                pEqn.solve()

                if nonOrth == nNonOrthCorr:
                   phi.ext_assign( phi - pEqn.flux() )
                   pass
                
                pass
                
            from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
            cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr )     
               
            U.ext_assign( U - rUA * fvc.grad( p ) )
            U.correctBoundaryConditions()
            pass
        
        runTime.write()
        
        ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
              "  ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
        
        pass

    ext_Info() << "End\n" << nl 

    import os
    return os.EX_OK
예제 #49
0
def main_standalone( argc, argv ):

    from Foam.OpenFOAM.include import setRootCase
    args = setRootCase( argc, argv )

    from Foam.OpenFOAM.include import createTime
    runTime = createTime( args )

    from Foam.OpenFOAM.include import createMesh
    mesh = createMesh( runTime )
    
    thermo, p, e, T, psi, mu, U, pbf, rhoBoundaryTypes, rho, rhoU, rhoE, pos, neg, inviscid = _createFields( runTime, mesh )
    
    thermophysicalProperties, Pr = readThermophysicalProperties( runTime, mesh )
    
    from Foam.finiteVolume.cfdTools.general.include import readTimeControls
    adjustTimeStep, maxCo, maxDeltaT = readTimeControls( runTime )
    
    fluxScheme = readFluxScheme( mesh )
    
    from Foam.OpenFOAM import dimensionedScalar, dimVolume, dimTime, word
    v_zero = dimensionedScalar( word( "v_zero" ) ,dimVolume/dimTime, 0.0)
    
    from Foam.OpenFOAM import ext_Info, nl
    ext_Info() << "\nStarting time loop\n" << nl
    
    while runTime.run() :
        # --- upwind interpolation of primitive fields on faces
        from Foam import fvc
        rho_pos = fvc.interpolate( rho, pos, word( "reconstruct(rho)" ) )
        rho_neg = fvc.interpolate( rho, neg, word( "reconstruct(rho)" ) )
        
        rhoU_pos = fvc.interpolate( rhoU, pos, word( "reconstruct(U)" ) )
        rhoU_neg = fvc.interpolate( rhoU, neg, word( "reconstruct(U)" ) )
        
        rPsi = 1.0 / psi
        rPsi_pos = fvc.interpolate( rPsi, pos, word( "reconstruct(T)" ) )
        rPsi_neg = fvc.interpolate( rPsi, neg, word( "reconstruct(T)" ) )
        
        e_pos = fvc.interpolate( e, pos, word( "reconstruct(T)" ) )
        e_neg = fvc.interpolate( e, neg, word( "reconstruct(T)" ) )
        
        U_pos = rhoU_pos / rho_pos
        U_neg = rhoU_neg / rho_neg

        p_pos = rho_pos * rPsi_pos
        p_neg = rho_neg * rPsi_neg

        phiv_pos = U_pos & mesh.Sf()
        phiv_neg = U_neg & mesh.Sf()
        
        c = ( thermo.Cp() / thermo.Cv() * rPsi ).sqrt()
        cSf_pos = fvc.interpolate( c, pos, word( "reconstruct(T)" ) ) * mesh.magSf()
        cSf_neg = fvc.interpolate( c, neg, word( "reconstruct(T)" ) ) * mesh.magSf()
        
        ap = ( phiv_pos + cSf_pos ).ext_max( phiv_neg + cSf_neg ).ext_max( v_zero )
        am = ( phiv_pos - cSf_pos ).ext_min( phiv_neg - cSf_neg ).ext_min( v_zero )

        a_pos = ap / ( ap - am )
        
        from Foam.finiteVolume import surfaceScalarField
        amaxSf = surfaceScalarField( word( "amaxSf" ), am.mag().ext_max( ap.mag() ) )
        
        CoNum, meanCoNum = compressibleCourantNo( mesh, amaxSf, runTime )
        
        from Foam.finiteVolume.cfdTools.general.include import readTimeControls
        adjustTimeStep, maxCo, maxDeltaT = readTimeControls( runTime )
        
        from Foam.finiteVolume.cfdTools.general.include import setDeltaT
        runTime = setDeltaT( runTime, adjustTimeStep, maxCo, maxDeltaT, CoNum )
        
        runTime.increment()
        
        ext_Info() << "Time = " << runTime.timeName() << nl << nl
        
        aSf = am * a_pos

        if str( fluxScheme ) == "Tadmor":
           aSf.ext_assign( -0.5 * amaxSf )
           a_pos.ext_assign( 0.5 )
           pass
        
        a_neg = 1.0 - a_pos
        
        phiv_pos *= a_pos
        phiv_neg *= a_neg
        
        aphiv_pos = phiv_pos - aSf
        
        aphiv_neg = phiv_neg + aSf

        phi = None

        phi = surfaceScalarField( word( "phi" ), aphiv_pos * rho_pos + aphiv_neg * rho_neg )

        phiUp = ( aphiv_pos * rhoU_pos + aphiv_neg * rhoU_neg) + ( a_pos * p_pos + a_neg * p_neg ) * mesh.Sf()

        phiEp = aphiv_pos * ( rho_pos * ( e_pos + 0.5*U_pos.magSqr() ) + p_pos ) + aphiv_neg * ( rho_neg * ( e_neg + 0.5 * U_neg.magSqr() ) + p_neg )\
                + aSf * p_pos - aSf * p_neg
        
        from Foam.finiteVolume import volTensorField
        from Foam import fvc
        tauMC = volTensorField( word( "tauMC" ) , mu * fvc.grad(U).T().dev2() ) 
        
        # --- Solve density
        from Foam.finiteVolume import solve
        from Foam import fvm
        solve( fvm.ddt( rho ) + fvc.div( phi ) )
        
        # --- Solve momentum
        solve( fvm.ddt( rhoU ) + fvc.div( phiUp ) )
        
        U.dimensionedInternalField().ext_assign( rhoU.dimensionedInternalField() / rho.dimensionedInternalField() )
        U.correctBoundaryConditions()
        rhoU.ext_boundaryField().ext_assign( rho.ext_boundaryField() * U.ext_boundaryField() )
        
        rhoBydt = rho / runTime.deltaT()
        
        if not inviscid:
           solve( fvm.ddt( rho, U ) - fvc.ddt( rho, U ) - fvm.laplacian( mu, U ) - fvc.div( tauMC ) )
           rhoU.ext_assign( rho * U )
           pass
        
        # --- Solve energy
        sigmaDotU = ( fvc.interpolate( mu ) * mesh.magSf() * fvc.snGrad( U ) + ( mesh.Sf() & fvc.interpolate( tauMC ) ) ) & ( a_pos * U_pos + a_neg * U_neg )

        solve( fvm.ddt( rhoE ) + fvc.div( phiEp ) - fvc.div( sigmaDotU ) )
        
        e.ext_assign( rhoE / rho - 0.5 * U.magSqr() )
        e.correctBoundaryConditions()
        thermo.correct()
        from Foam.finiteVolume import volScalarField
        rhoE.ext_boundaryField().ext_assign( rho.ext_boundaryField() * ( e.ext_boundaryField() + 0.5 * U.ext_boundaryField().magSqr() ) )
        
        if not inviscid:
           k = volScalarField( word( "k" ) , thermo.Cp() * mu / Pr )

           # The initial C++ expression does not work properly, because of
           #  1. the order of expression arguments computation differs with C++
           #solve( fvm.ddt( rho, e ) - fvc.ddt( rho, e ) - fvm.laplacian( thermo.alpha(), e ) \
           #                                             + fvc.laplacian( thermo.alpha(), e ) - fvc.laplacian( k, T ) )

           solve( -fvc.laplacian( k, T ) + ( fvc.laplacian( thermo.alpha(), e ) \
                                         + (- fvm.laplacian( thermo.alpha(), e ) + (- fvc.ddt( rho, e ) + fvm.ddt( rho, e ) ) ) ) )
           
           thermo.correct()
           rhoE.ext_assign( rho * ( e + 0.5 * U.magSqr() ) )
           pass
        
        p.dimensionedInternalField().ext_assign( rho.dimensionedInternalField() / psi.dimensionedInternalField() )
        p.correctBoundaryConditions()
        rho.ext_boundaryField().ext_assign( psi.ext_boundaryField() * p.ext_boundaryField() )
        
        runTime.write()

        ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
              "  ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
        
        pass

    ext_Info() << "End\n"

    import os
    return os.EX_OK
예제 #50
0
def rhoEqn(rho, phi):
    from Foam import fvm, fvc
    from Foam.finiteVolume import solve
    solve(fvm.ddt(rho) + fvc.div(phi))

    pass
예제 #51
0
def main_standalone( argc, argv ):

    from Foam.OpenFOAM.include import setRootCase
    args = setRootCase( argc, argv )

    from Foam.OpenFOAM.include import createTime
    runTime = createTime( args )

    from Foam.OpenFOAM.include import createMesh
    mesh = createMesh( runTime )
    
    thermodynamicProperties, R, Cv = readThermodynamicProperties( runTime, mesh )

    p, T, U, psi, rho, rhoU, rhoE = _createFields( runTime, mesh, R, Cv )
    
    from Foam.OpenFOAM import ext_Info, nl
    ext_Info() << "\nStarting time loop\n" << nl
    
    while runTime.loop() :
        ext_Info() << "Time = " << runTime.timeName() << nl << nl
        
        from Foam.finiteVolume import surfaceScalarField
        from Foam.OpenFOAM import IOobject, word, fileName
        from Foam import fvc
        phiv = surfaceScalarField( IOobject( word( "phiv" ),
                                             fileName( runTime.timeName() ),
                                             mesh,
                                             IOobject.NO_READ,
                                             IOobject.NO_WRITE ),
                                   fvc.interpolate( rhoU ) / fvc.interpolate( rho ) & mesh.Sf() )
        
        CoNum = ( mesh.deltaCoeffs() * phiv.mag() / mesh.magSf() ).ext_max().value()*runTime.deltaT().value();
        ext_Info() << "\nMax Courant Number = " << CoNum << nl
        
        from Foam import fvm
        
        from Foam.finiteVolume import solve
        solve( fvm.ddt(rho) + fvm.div( phiv, rho ) )
        
        p.ext_assign( rho / psi )
        
        solve( fvm.ddt( rhoU ) + fvm.div( phiv, rhoU ) == - fvc.grad( p ) )

        U == rhoU / rho
        
        phiv2 = surfaceScalarField( IOobject( word( "phiv2" ),
                                              fileName( runTime.timeName() ),
                                              mesh,
                                              IOobject.NO_READ,
                                              IOobject.NO_WRITE ),
                                    fvc.interpolate( rhoU ) / fvc.interpolate( rho ) & mesh.Sf() )
        
        solve( fvm.ddt( rhoE ) + fvm.div( phiv, rhoE ) == - fvc.div( phiv2, p ) )
        
        T.ext_assign( ( rhoE - 0.5 * rho * ( rhoU / rho ).magSqr() ) / Cv / rho )
        
        psi.ext_assign( 1.0 / ( R * T ) )
        
        runTime.write()

        ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
              "  ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
        
        pass

    ext_Info() << "End\n"

    import os
    return os.EX_OK
예제 #52
0
def main_standalone(argc, argv):

    from Foam.OpenFOAM.include import setRootCase
    args = setRootCase(argc, argv)

    from Foam.OpenFOAM.include import createTime
    runTime = createTime(args)

    from Foam.OpenFOAM.include import createMeshNoClear
    mesh = createMeshNoClear(runTime)

    transportProperties, nu = readTransportProperties(runTime, mesh)

    p, U, phi = _createFields(runTime, mesh)

    turbulenceProperties, force, K, forceGen = readTurbulenceProperties(
        runTime, mesh, U)

    from Foam.finiteVolume.cfdTools.general.include import initContinuityErrs
    cumulativeContErr = initContinuityErrs()

    # * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * #
    from Foam.OpenFOAM import ext_Info, nl
    ext_Info() << "\nStarting time loop\n"

    while runTime.loop():
        ext_Info() << "Time = " << runTime.timeName() << nl << nl

        from Foam.finiteVolume.cfdTools.general.include import readPISOControls
        piso, nCorr, nNonOrthCorr, momentumPredictor, transonic, nOuterCorr = readPISOControls(
            mesh)

        from Foam.randomProcesses import fft
        from Foam.OpenFOAM import ReImSum
        force.internalField().ext_assign(
            ReImSum(
                fft.reverseTransform(
                    K / (K.mag() + 1.0e-6) ^ forceGen.newField(), K.nn())))

        globalProperties(runTime, U, nu, force)

        from Foam import fvm
        UEqn = fvm.ddt(U) + fvm.div(phi, U) - fvm.laplacian(nu, U) == force

        from Foam import fvc
        from Foam.finiteVolume import solve
        solve(UEqn == -fvc.grad(p))

        # --- PISO loop

        for corr in range(1):
            rUA = 1.0 / UEqn.A()

            U.ext_assign(rUA * UEqn.H())
            phi.ext_assign((fvc.interpolate(U) & mesh.Sf()) +
                           fvc.ddtPhiCorr(rUA, U, phi))

            pEqn = fvm.laplacian(rUA, p) == fvc.div(phi)

            pEqn.solve()

            phi.ext_assign(phi - pEqn.flux())

            from Foam.finiteVolume.cfdTools.incompressible import continuityErrs
            cumulativeContErr = continuityErrs(mesh, phi, runTime,
                                               cumulativeContErr)

            U.ext_assign(U - rUA * fvc.grad(p))
            U.correctBoundaryConditions()
            pass

        runTime.write()

        if runTime.outputTime():
            from Foam.randomProcesses import calcEk
            from Foam.OpenFOAM import word, fileName
            calcEk(U, K).write(fileName(runTime.timePath() / fileName("Ek")),
                               runTime.graphFormat())
            pass

        ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" \
                   << "  ClockTime = " << runTime.elapsedClockTime() << " s"  << nl
        pass

    ext_Info() << "End\n" << nl

    import os
    return os.EX_OK
예제 #53
0
def rhoEqn( rho, phi ):
    from Foam import fvm, fvc
    from Foam.finiteVolume import solve
    solve( fvm.ddt( rho ) + fvc.div( phi ) )

    pass
예제 #54
0
def main_standalone(argc, argv):

    from Foam.OpenFOAM.include import setRootCase
    args = setRootCase(argc, argv)

    from Foam.OpenFOAM.include import createTime
    runTime = createTime(args)

    from Foam.OpenFOAM.include import createMesh
    mesh = createMesh(runTime)

    thermodynamicProperties, R, Cv, Cp, gamma, Pr = readThermodynamicProperties(
        runTime, mesh)

    p, T, psi, pbf, rhoBoundaryTypes, rho, U, Ubf, rhoUboundaryTypes, \
    rhoU, Tbf, rhoEboundaryTypes, rhoE, phi, phiv, rhoU, fields, magRhoU, H = _createFields( runTime, mesh, R, Cv )

    from Foam.OpenFOAM import ext_Info, nl
    ext_Info() << "\nStarting time loop\n" << nl

    while runTime.loop():
        ext_Info() << "Time = " << runTime.value() << nl << nl

        from Foam.finiteVolume.cfdTools.general.include import readPISOControls
        piso, nCorr, nNonOrthCorr, momentumPredictor, transonic, nOuterCorr = readPISOControls(
            mesh)

        from Foam.OpenFOAM import readScalar, word
        HbyAblend = readScalar(piso.lookup(word("HbyAblend")))

        from Foam.finiteVolume.cfdTools.general.include import readTimeControls
        adjustTimeStep, maxCo, maxDeltaT = readTimeControls(runTime)

        CoNum = (mesh.deltaCoeffs() * phiv.mag() /
                 mesh.magSf()).ext_max().value() * runTime.deltaT().value()

        ext_Info() << "Max Courant Number = " << CoNum << nl

        from Foam.finiteVolume.cfdTools.general.include import setDeltaT
        runTime = setDeltaT(runTime, adjustTimeStep, maxCo, maxDeltaT, CoNum)

        for outerCorr in range(nOuterCorr):

            magRhoU.ext_assign(rhoU.mag())
            H.ext_assign((rhoE + p) / rho)

            from Foam.fv import multivariateGaussConvectionScheme_scalar
            mvConvection = multivariateGaussConvectionScheme_scalar(
                mesh, fields, phiv, mesh.divScheme(word("div(phiv,rhoUH)")))

            from Foam.finiteVolume import solve
            from Foam import fvm
            solve(fvm.ddt(rho) + mvConvection.fvmDiv(phiv, rho))

            tmp = mvConvection.interpolationScheme()()(magRhoU)

            rhoUWeights = tmp.ext_weights(magRhoU)

            from Foam.finiteVolume import weighted_vector
            rhoUScheme = weighted_vector(rhoUWeights)
            from Foam import fv, fvc
            rhoUEqn = fvm.ddt(rhoU) + fv.gaussConvectionScheme_vector(
                mesh, phiv, rhoUScheme).fvmDiv(phiv, rhoU)
            solve(rhoUEqn == -fvc.grad(p))

            solve(
                fvm.ddt(rhoE) + mvConvection.fvmDiv(phiv, rhoE) ==
                -mvConvection.fvcDiv(phiv, p))

            T.ext_assign((rhoE - 0.5 * rho * (rhoU / rho).magSqr()) / Cv / rho)
            psi.ext_assign(1.0 / (R * T))
            p.ext_assign(rho / psi)

            for corr in range(nCorr):
                rrhoUA = 1.0 / rhoUEqn.A()
                from Foam.finiteVolume import surfaceScalarField
                rrhoUAf = surfaceScalarField(word("rrhoUAf"),
                                             fvc.interpolate(rrhoUA))
                HbyA = rrhoUA * rhoUEqn.H()

                from Foam.finiteVolume import LimitedScheme_vector_MUSCLLimiter_NVDTVD_limitFuncs_magSqr
                from Foam.OpenFOAM import IStringStream, word
                HbyAWeights = HbyAblend * mesh.weights() + ( 1.0 - HbyAblend ) * \
                              LimitedScheme_vector_MUSCLLimiter_NVDTVD_limitFuncs_magSqr( mesh, phi, IStringStream( "HbyA" )() ).weights( HbyA )

                from Foam.finiteVolume import surfaceInterpolationScheme_vector
                phi.ext_assign( ( surfaceInterpolationScheme_vector.ext_interpolate(HbyA, HbyAWeights) & mesh.Sf() ) \
                                  + HbyAblend * fvc.ddtPhiCorr( rrhoUA, rho, rhoU, phi ) )

                p.ext_boundaryField().updateCoeffs()

                phiGradp = rrhoUAf * mesh.magSf() * fvc.snGrad(p)

                phi.ext_assign(phi - phiGradp)

                resetPhiPatches(phi, rhoU, mesh)
                rhof = mvConvection.interpolationScheme()()(rho).interpolate(
                    rho)

                phiv.ext_assign(phi / rhof)

                pEqn = fvm.ddt(psi, p) + mvConvection.fvcDiv(
                    phiv, rho) + fvc.div(phiGradp) - fvm.laplacian(rrhoUAf, p)

                pEqn.solve()
                phi.ext_assign(phi + phiGradp + pEqn.flux())
                rho.ext_assign(psi * p)

                rhof.ext_assign(
                    mvConvection.interpolationScheme()()(rho).interpolate(rho))
                phiv.ext_assign(phi / rhof)

                rhoU.ext_assign(HbyA - rrhoUA * fvc.grad(p))
                rhoU.correctBoundaryConditions()

                pass
            pass

        U.ext_assign(rhoU / rho)

        runTime.write()

        ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
              "  ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl
        pass

    ext_Info() << "End\n"

    import os
    return os.EX_OK
예제 #55
0
def main_standalone(argc, argv):

    from Foam.OpenFOAM.include import setRootCase
    args = setRootCase(argc, argv)

    from Foam.OpenFOAM.include import createTime
    runTime = createTime(args)

    from Foam.OpenFOAM.include import createMesh
    mesh = createMesh(runTime)

    thermodynamicProperties, rho0, p0, psi, rhoO = readThermodynamicProperties(
        runTime, mesh)

    transportProperties, mu = readTransportProperties(runTime, mesh)

    p, U, rho, phi = _createFields(runTime, mesh, rhoO, psi)

    from Foam.finiteVolume.cfdTools.general.include import initContinuityErrs
    cumulativeContErr = initContinuityErrs()

    from Foam.OpenFOAM import ext_Info, nl
    ext_Info() << "\nStarting time loop\n" << nl

    while runTime.loop():
        ext_Info() << "Time = " << runTime.timeName() << nl << nl

        from Foam.finiteVolume.cfdTools.general.include import readPISOControls
        piso, nCorr, nNonOrthCorr, momentumPredictor, transonic, nOuterCorr = readPISOControls(
            mesh)

        from Foam.finiteVolume.cfdTools.compressible import compressibleCourantNo
        CoNum, meanCoNum, velMag = compressibleCourantNo(
            mesh, phi, rho, runTime)

        from Foam.finiteVolume.cfdTools.compressible import rhoEqn
        rhoEqn(rho, phi)

        from Foam import fvm, fvc
        from Foam.finiteVolume import solve
        UEqn = fvm.ddt(rho, U) + fvm.div(phi, U) - fvm.laplacian(mu, U)

        solve(UEqn == -fvc.grad(p))

        for corr in range(nCorr):
            rUA = 1.0 / UEqn.A()
            U.ext_assign(rUA * UEqn.H())

            from Foam.OpenFOAM import word
            from Foam.finiteVolume import surfaceScalarField

            phid = surfaceScalarField(
                word("phid"),
                psi * ((fvc.interpolate(U) & mesh.Sf()) +
                       fvc.ddtPhiCorr(rUA, rho, U, phi)))

            phi.ext_assign((rhoO / psi) * phid)

            pEqn = fvm.ddt(psi, p) + fvc.div(phi) + fvm.div(
                phid, p) - fvm.laplacian(rho * rUA, p)

            pEqn.solve()

            phi.ext_assign(phi + pEqn.flux())

            cumulativeContErr = compressibleContinuityErrs(
                rho, phi, psi, rho0, p, p0, cumulativeContErr)

            U.ext_assign(U - rUA * fvc.grad(p))
            U.correctBoundaryConditions()
            pass
        rho.ext_assign(rhoO + psi * p)

        runTime.write()

        ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \
              "  ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl

        pass

    ext_Info() << "End\n"

    import os
    return os.EX_OK