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()
def _pEqn(rho, thermo, UEqn, nNonOrthCorr, psi, U, mesh, phi, p, DpDt, cumulativeContErr, corr, nCorr, nOuterCorr, transonic): rho.ext_assign(thermo.rho()) rUA = 1.0 / UEqn.A() U.ext_assign(rUA * UEqn.H()) from Foam import fvc, fvm from Foam.OpenFOAM import word from Foam.finiteVolume import surfaceScalarField if transonic: phid = surfaceScalarField( word("phid"), fvc.interpolate(psi) * ((fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, rho, U, phi))) for nonOrth in range(nNonOrthCorr + 1): pEqn = fvm.ddt(psi, p) + fvm.div(phid, p) - fvm.laplacian( rho * rUA, p) pEqn.solve() if nonOrth == nNonOrthCorr: phi == pEqn.flux() pass pass pass else: phi.ext_assign( fvc.interpolate(rho) * ((fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, rho, U, phi))) for nonOrth in range(nNonOrthCorr + 1): pEqn = fvm.ddt(psi, p) + fvc.div(phi) - fvm.laplacian(rho * rUA, p) pEqn.solve() if nonOrth == nNonOrthCorr: phi.ext_assign(phi + pEqn.flux()) pass pass pass from Foam.finiteVolume.cfdTools.compressible import rhoEqn rhoEqn(rho, phi) from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs cumulativeContErr = compressibleContinuityErrs(rho, thermo, cumulativeContErr) U.ext_assign(U - rUA * fvc.grad(p)) U.correctBoundaryConditions() DpDt.ext_assign( fvc.DDt(surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)), p)) return cumulativeContErr
def fun_pEqn( mesh, p, U, trTU, trAU, UEqn, phi, runTime, pressureImplicitPorosity, nNonOrthCorr, \ eqnResidual, maxResidual, cumulativeContErr, pRefCell, pRefValue, ): if pressureImplicitPorosity : U.ext_assign( trTU & UEqn.H() ) pass else: U.ext_assign( trAU * UEqn.H() ) pass UEqn.clear() from Foam import fvc, fvm phi.ext_assign( fvc.interpolate( U ) & mesh.Sf() ) from Foam.finiteVolume import adjustPhi adjustPhi( phi, U, p ) for nonOrth in range( nNonOrthCorr + 1 ) : tpEqn = None if pressureImplicitPorosity : tpEqn = ( fvm.laplacian( trTU, p ) == fvc.div( phi ) ) pass else: tpEqn = ( fvm.laplacian( trAU, p ) == fvc.div( phi ) ) pass tpEqn.setReference( pRefCell, pRefValue ) # retain the residual from the first iteration if nonOrth == 0 : eqnResidual = tpEqn.solve().initialResidual() maxResidual = max( eqnResidual, maxResidual ) pass else: tpEqn.solve() pass if nonOrth == nNonOrthCorr : phi.ext_assign( phi - tpEqn.flux() ) pass pass from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr ) # Explicitly relax pressure for momentum corrector p.relax() if pressureImplicitPorosity : U.ext_assign( U - ( trTU & fvc.grad( p ) ) ) else: U.ext_assign( U - ( trAU * fvc.grad( p ) ) ) pass U.correctBoundaryConditions() return eqnResidual, maxResidual
def fun_pEqn( mesh, p, U, trTU, trAU, UEqn, phi, runTime, pressureImplicitPorosity, nNonOrthCorr, \ eqnResidual, maxResidual, cumulativeContErr, pRefCell, pRefValue, ): if pressureImplicitPorosity: U.ext_assign(trTU & UEqn.H()) pass else: U.ext_assign(trAU * UEqn.H()) pass UEqn.clear() from Foam import fvc, fvm phi.ext_assign(fvc.interpolate(U) & mesh.Sf()) from Foam.finiteVolume import adjustPhi adjustPhi(phi, U, p) for nonOrth in range(nNonOrthCorr + 1): tpEqn = None if pressureImplicitPorosity: tpEqn = (fvm.laplacian(trTU, p) == fvc.div(phi)) pass else: tpEqn = (fvm.laplacian(trAU, p) == fvc.div(phi)) pass tpEqn.setReference(pRefCell, pRefValue) # retain the residual from the first iteration if nonOrth == 0: eqnResidual = tpEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) pass else: tpEqn.solve() pass if nonOrth == nNonOrthCorr: phi.ext_assign(phi - tpEqn.flux()) pass pass from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr) # Explicitly relax pressure for momentum corrector p.relax() if pressureImplicitPorosity: U.ext_assign(U - (trTU & fvc.grad(p))) else: U.ext_assign(U - (trAU * fvc.grad(p))) pass U.correctBoundaryConditions() return eqnResidual, maxResidual
def _pEqn( rho, thermo, UEqn, nNonOrthCorr, psi, U, mesh, phi, p, DpDt, cumulativeContErr, corr, nCorr, nOuterCorr, transonic ): rho.ext_assign( thermo.rho() ) rUA = 1.0/UEqn.A() U.ext_assign( rUA * UEqn.H() ) from Foam import fvc, fvm from Foam.OpenFOAM import word from Foam.finiteVolume import surfaceScalarField if transonic: phid = surfaceScalarField( word( "phid" ), fvc.interpolate( psi ) * ( ( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) ) ) for nonOrth in range( nNonOrthCorr + 1 ) : pEqn = fvm.ddt( psi, p ) + fvm.div( phid, p ) - fvm.laplacian( rho * rUA, p ) pEqn.solve() if nonOrth == nNonOrthCorr: phi == pEqn.flux() pass pass pass else: phi.ext_assign( fvc.interpolate( rho ) * ( ( fvc.interpolate(U) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) ) ) for nonOrth in range( nNonOrthCorr + 1 ) : pEqn = fvm.ddt( psi, p ) + fvc.div( phi ) - fvm.laplacian( rho * rUA, p ) pEqn.solve() if nonOrth == nNonOrthCorr: phi.ext_assign( phi + pEqn.flux() ) pass pass pass from Foam.finiteVolume.cfdTools.compressible import rhoEqn rhoEqn( rho, phi ) from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs cumulativeContErr = compressibleContinuityErrs( rho, thermo, cumulativeContErr ) U.ext_assign( U - rUA * fvc.grad( p ) ) U.correctBoundaryConditions() DpDt.ext_assign( fvc.DDt( surfaceScalarField( word( "phiU" ), phi / fvc.interpolate( rho ) ), p ) ) return cumulativeContErr
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
def _pEqn(rho, thermo, UEqn, nNonOrthCorr, psi, U, mesh, phi, p, cumulativeContErr): from Foam.finiteVolume import volScalarField rUA = 1.0 / UEqn.A() U.ext_assign(rUA * UEqn.H()) from Foam import fvc from Foam.finiteVolume import surfaceScalarField from Foam.OpenFOAM import word phid = surfaceScalarField( word("phid"), fvc.interpolate(thermo.psi()) * ((fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, rho, U, phi))) for nonOrth in range(nNonOrthCorr + 1): from Foam import fvm pEqn = (fvm.ddt(psi, p) + fvm.div(phid, word("div(phid,p)")) - fvm.laplacian(rho * rUA, p)) pEqn.solve() if (nonOrth == nNonOrthCorr): phi.ext_assign(pEqn.flux()) pass pass from Foam.finiteVolume.cfdTools.compressible import rhoEqn rhoEqn(rho, phi) from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs cumulativeContErr = compressibleContinuityErrs(rho, thermo, cumulativeContErr) U.ext_assign(U - rUA * fvc.grad(p)) U.correctBoundaryConditions() return cumulativeContErr
def _pEqn( rho, thermo, UEqn, nNonOrthCorr, psi, U, mesh, phi, p, cumulativeContErr ): from Foam.finiteVolume import volScalarField rUA = 1.0/UEqn.A() U.ext_assign( rUA*UEqn.H() ) from Foam import fvc from Foam.finiteVolume import surfaceScalarField from Foam.OpenFOAM import word phid = surfaceScalarField( word( "phid" ), fvc.interpolate( thermo.psi() ) * ( (fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) ) ) for nonOrth in range( nNonOrthCorr + 1 ) : from Foam import fvm pEqn = ( fvm.ddt(psi, p) + fvm.div(phid, word( "div(phid,p)" ) ) - fvm.laplacian(rho*rUA, p) ) pEqn.solve() if (nonOrth == nNonOrthCorr) : phi.ext_assign( pEqn.flux() ) pass pass from Foam.finiteVolume.cfdTools.compressible import rhoEqn rhoEqn( rho, phi ) from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs cumulativeContErr = compressibleContinuityErrs( rho, thermo, cumulativeContErr ) U.ext_assign( U - rUA * fvc.grad(p) ) U.correctBoundaryConditions() return cumulativeContErr
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
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
def main_standalone( argc, argv ): from Foam.OpenFOAM import argList, word argList.validOptions.fget().insert( word( "writep" ), "" ) 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 ) p, U, phi, pRefCell, pRefValue = _createFields( runTime, mesh ) from Foam.OpenFOAM import ext_Info, nl ext_Info() << nl << "Calculating potential flow" << nl from Foam.finiteVolume.cfdTools.general.include import readSIMPLEControls simple, nNonOrthCorr, momentumPredictor, fluxGradp, transonic = readSIMPLEControls( mesh ) from Foam.finiteVolume import adjustPhi adjustPhi(phi, U, p) from Foam.OpenFOAM import dimensionedScalar, word, dimTime, dimensionSet from Foam import fvc, fvm for nonOrth in range( nNonOrthCorr + 1): pEqn = fvm.laplacian( dimensionedScalar( word( "1" ), dimTime / p.dimensions() * dimensionSet( 0.0, 2.0, -2.0, 0.0, 0.0 ), 1.0 ), p ) == fvc.div( phi ) pEqn.setReference( pRefCell, pRefValue ) pEqn.solve() if nonOrth == nNonOrthCorr: phi.ext_assign( phi - pEqn.flux() ) pass pass ext_Info() << "continuity error = " << fvc.div( phi ).mag().weightedAverage( mesh.V() ).value() << nl U.ext_assign( fvc.reconstruct( phi ) ) U.correctBoundaryConditions() ext_Info() << "Interpolated U error = " << ( ( ( fvc.interpolate( U ) & mesh.Sf() ) - phi ).sqr().sum().sqrt() /mesh.magSf().sum() ).value() << nl # Force the write U.write() phi.write() if args.optionFound( word( "writep" ) ): p.write() pass ext_Info() << "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << \ " ClockTime = " << runTime.elapsedClockTime() << " s" << nl << nl ext_Info() << "End\n" << nl import os return os.EX_OK
def _pEqn( runTime, mesh, UEqn, thermo, p, psi, U, rho, phi, DpDt, g, initialMass, totalVolume, corr, nCorr, nNonOrthCorr, cumulativeContErr ): closedVolume = p.needReference() rho.ext_assign( thermo.rho() ) # Thermodynamic density needs to be updated by psi*d(p) after the # pressure solution - done in 2 parts. Part 1: thermo.rho().ext_assign( thermo.rho() - psi * p ) rUA = 1.0/UEqn.A() from Foam.OpenFOAM import word from Foam.finiteVolume import surfaceScalarField from Foam import fvc rhorUAf = surfaceScalarField( word( "(rho*(1|A(U)))" ), fvc.interpolate( rho * rUA ) ) U.ext_assign( rUA * UEqn.H() ) phiU = fvc.interpolate( rho ) * ( (fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) ) phi.ext_assign( phiU + rhorUAf * fvc.interpolate( rho ) * (g & mesh.Sf() ) ) for nonOrth in range( nNonOrthCorr+1 ): from Foam import fvm from Foam.finiteVolume import correction pEqn = fvc.ddt( rho ) + psi * correction( fvm.ddt( p ) ) + fvc.div( phi ) - fvm.laplacian( rhorUAf, p ) if corr == nCorr-1 and nonOrth == nNonOrthCorr: pEqn.solve( mesh.solver( word( str( p.name() ) + "Final" ) ) ) pass else: pEqn.solve( mesh.solver( p.name() ) ) pass if nonOrth == nNonOrthCorr: phi.ext_assign( phi + pEqn.flux() ) pass # Second part of thermodynamic density update thermo.rho().ext_assign( thermo.rho() + psi * p ) U.ext_assign( U + rUA * fvc.reconstruct( ( phi - phiU ) / rhorUAf ) ) U.correctBoundaryConditions() DpDt.ext_assign( fvc.DDt( surfaceScalarField( word( "phiU" ), phi / fvc.interpolate( rho ) ), p ) ) from Foam.finiteVolume.cfdTools.compressible import rhoEqn rhoEqn( rho, phi ) from Foam.finiteVolume.cfdTools.compressible import compressibleContinuityErrs cumulativeContErr = compressibleContinuityErrs( rho, thermo, cumulativeContErr ) # For closed-volume cases adjust the pressure and density levels # to obey overall mass continuity if closedVolume: p.ext_assign( p + ( initialMass - fvc.domainIntegrate( psi * p ) ) / fvc.domainIntegrate( psi ) ) thermo.rho().ext_assign( psi * p ) rho.ext_assign( rho + ( initialMass - fvc.domainIntegrate( rho ) ) / totalVolume ) pass return cumulativeContErr
def fun_pEqn( runTime, thermo, UEqn, U, phi, rho, gh, pd, p, initialMass, mesh, pRef, nNonOrthCorr, \ pdRefCell, pdRefValue, eqnResidual, maxResidual, cumulativeContErr ): rUA = 1.0/UEqn.A() U.ext_assign( rUA * UEqn().H() ) UEqn.clear() from Foam import fvc phi.ext_assign( fvc.interpolate( rho )*(fvc.interpolate(U) & mesh.Sf()) ) from Foam.finiteVolume import adjustPhi closedVolume = adjustPhi(phi, U, p) phi.ext_assign( phi - fvc.interpolate( rho *gh * rUA ) * fvc.snGrad( rho ) * mesh.magSf() ) from Foam import fvm for nonOrth in range( nNonOrthCorr + 1): pdEqn = ( fvm.laplacian( rho * rUA, pd ) == fvc.div(phi) ) pdEqn.setReference(pdRefCell, pdRefValue) # retain the residual from the first iteration if nonOrth == 0: eqnResidual = pdEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) pass else: pdEqn.solve() pass if nonOrth == nNonOrthCorr: phi.ext_assign( phi - pdEqn.flux() ) pass pass from Foam.finiteVolume.cfdTools.general.include import ContinuityErrs cumulativeContErr = ContinuityErrs( phi, runTime, mesh, cumulativeContErr ) # Explicitly relax pressure for momentum corrector pd.relax() p.ext_assign( pd + rho * gh + pRef ) U.ext_assign( U- rUA * ( fvc.grad( pd ) + fvc.grad( rho ) * gh ) ) U.correctBoundaryConditions() # For closed-volume cases adjust the pressure and density levels # to obey overall mass continuity if closedVolume: p.ext_assign( p + ( initialMass - fvc.domainIntegrate( thermo.psi() * p ) ) / fvc.domainIntegrate( thermo.psi() ) ) rho.ext_assign( thermo.rho() ) rho.relax() from Foam.OpenFOAM import ext_Info, nl ext_Info()<< "rho max/min : " << rho.ext_max().value() << " " << rho.ext_min().value() << nl return eqnResidual, maxResidual, cumulativeContErr
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
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
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
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
def fun_pEqn(runTime, mesh, p, phi, U, UEqn, g, rhok, eqnResidual, maxResidual, nNonOrthCorr, cumulativeContErr, pRefCell, pRefValue): from Foam.finiteVolume import volScalarField, surfaceScalarField from Foam.OpenFOAM import word from Foam import fvc rUA = volScalarField(word("rUA"), 1.0 / UEqn().A()) rUAf = surfaceScalarField(word("(1|A(U))"), fvc.interpolate(rUA)) U.ext_assign(rUA * UEqn().H()) UEqn.clear() from Foam import fvc phi.ext_assign(fvc.interpolate(U) & mesh.Sf()) from Foam.finiteVolume import adjustPhi adjustPhi(phi, U, p) buoyancyPhi = rUAf * fvc.interpolate(rhok) * (g & mesh.Sf()) phi.ext_assign(phi + buoyancyPhi) for nonOrth in range(nNonOrthCorr + 1): from Foam import fvm, fvc pEqn = fvm.laplacian(rUAf, p) == fvc.div(phi) pEqn.setReference(pRefCell, pRefValue) # retain the residual from the first iteration if (nonOrth == 0): eqnResidual = pEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) pass else: pEqn.solve() pass if (nonOrth == nNonOrthCorr): # Calculate the conservative fluxes phi.ext_assign(phi - pEqn.flux()) # Explicitly relax pressure for momentum corrector p.relax() # Correct the momentum source with the pressure gradient flux # calculated from the relaxed pressure U.ext_assign(U + rUA * fvc.reconstruct((buoyancyPhi - pEqn.flux()) / rUAf)) U.correctBoundaryConditions() pass pass from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr) return eqnResidual, maxResidual, cumulativeContErr
def fun_pEqn(thermo, g, rho, UEqn, p, U, psi, phi, initialMass, runTime, mesh, nNonOrthCorr, pRefCell, eqnResidual, maxResidual, cumulativeContErr): rho.ext_assign(thermo.rho()) rUA = 1.0 / UEqn.A() from Foam.OpenFOAM import word from Foam import fvc, fvm from Foam.finiteVolume import surfaceScalarField rhorUAf = surfaceScalarField(word("(rho*(1|A(U)))"), fvc.interpolate(rho * rUA)) U.ext_assign(rUA * UEqn.H()) UEqn.clear() phi.ext_assign(fvc.interpolate(rho) * (fvc.interpolate(U) & mesh.Sf())) from Foam.finiteVolume import adjustPhi closedVolume = adjustPhi(phi, U, p) buoyancyPhi = surfaceScalarField(rhorUAf * fvc.interpolate(rho) * (g & mesh.Sf())) phi.ext_assign(phi + buoyancyPhi) for nonOrth in range(nNonOrthCorr + 1): from Foam import fvm pEqn = fvm.laplacian(rhorUAf, p) == fvc.div(phi) pEqn.setReference(pRefCell, p[pRefCell]) if (nonOrth == 0): eqnResidual = pEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) else: pEqn.solve() if (nonOrth == nNonOrthCorr): if (closedVolume): p.ext_assign(p + (initialMass - fvc.domainIntegrate(psi * p)) / fvc.domainIntegrate(psi)) phi.ext_assign(phi - pEqn.flux()) p.relax() U.ext_assign(U + rUA * fvc.reconstruct( (buoyancyPhi - pEqn.flux()) / rhorUAf)) U.correctBoundaryConditions() from Foam.finiteVolume.cfdTools.general.include import ContinuityErrs cumulativeContErr = ContinuityErrs(phi, runTime, mesh, cumulativeContErr) rho.ext_assign(thermo.rho()) rho.relax() ext_Info() << "rho max/min : " << rho.ext_max().value( ) << " " << rho.ext_min().value() << nl return eqnResidual, maxResidual, cumulativeContErr
def fun_pEqn( runTime, mesh, p, phi, U, UEqn, g, rhok, eqnResidual, maxResidual, nNonOrthCorr, cumulativeContErr, pRefCell, pRefValue ): from Foam.finiteVolume import volScalarField, surfaceScalarField from Foam.OpenFOAM import word from Foam import fvc rUA = volScalarField( word( "rUA" ), 1.0 / UEqn().A() ) rUAf = surfaceScalarField(word( "(1|A(U))" ), fvc.interpolate( rUA ) ) U.ext_assign( rUA * UEqn().H() ) UEqn.clear() from Foam import fvc phi.ext_assign( fvc.interpolate( U ) & mesh.Sf() ) from Foam.finiteVolume import adjustPhi adjustPhi( phi, U, p ) buoyancyPhi = rUAf * fvc.interpolate( rhok ) * ( g & mesh.Sf() ) phi.ext_assign( phi + buoyancyPhi ) for nonOrth in range( nNonOrthCorr+1 ): from Foam import fvm, fvc pEqn = fvm.laplacian(rUAf, p) == fvc.div(phi) pEqn.setReference( pRefCell, pRefValue ) # retain the residual from the first iteration if ( nonOrth == 0 ): eqnResidual = pEqn.solve().initialResidual() maxResidual = max( eqnResidual, maxResidual ) pass else: pEqn.solve() pass if ( nonOrth == nNonOrthCorr ): # Calculate the conservative fluxes phi.ext_assign( phi - pEqn.flux() ) # Explicitly relax pressure for momentum corrector p.relax() # Correct the momentum source with the pressure gradient flux # calculated from the relaxed pressure U.ext_assign( U + rUA * fvc.reconstruct( ( buoyancyPhi - pEqn.flux() ) / rUAf ) ) U.correctBoundaryConditions() pass pass from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr ) return eqnResidual, maxResidual, cumulativeContErr
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
def _hEqn( rho, h, phi, turbulence, thermo, DpDt ): from Foam import fvm hEqn = fvm.ddt( rho, h ) + fvm.div(phi, h) - fvm.laplacian( turbulence.alphaEff(), h ) == DpDt hEqn.relax() hEqn.solve() thermo.correct() return hEqn
def fun_hEqn( mesh, rho, h, phi, DpDt, thermo, turbulence, finalIter ): from Foam import fvm hEqn = fvm.ddt( rho, h ) + fvm.div( phi, h ) - fvm.laplacian( turbulence.alphaEff(), h ) == DpDt hEqn.relax() hEqn.solve( mesh.solver( h.select( finalIter ) ) ) thermo.correct() pass
def solveSolid( mesh, rho, cp, K, T, nNonOrthCorr ): for index in range( nNonOrthCorr + 1 ): from Foam import fvm TEqn = fvm.ddt( rho * cp, T ) - fvm.laplacian( K, T ) TEqn.relax() TEqn.solve() pass from Foam.OpenFOAM import ext_Info, nl ext_Info()<< "Min/max T:" << T.ext_min() << ' ' << T.ext_max() << nl pass
def correctPhi(runTime, mesh, phi, pd, rho, U, cumulativeContErr, nNonOrthCorr, pdRefCell, pdRefValue): from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr) from Foam.OpenFOAM import wordList from Foam.finiteVolume import zeroGradientFvPatchScalarField pcorrTypes = wordList(pd.ext_boundaryField().size(), zeroGradientFvPatchScalarField.typeName) from Foam.finiteVolume import fixedValueFvPatchScalarField for i in range(pd.ext_boundaryField().size()): if pd.ext_boundaryField()[i].fixesValue(): pcorrTypes[i] = fixedValueFvPatchScalarField.typeName pass pass from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName, dimensionedScalar from Foam.finiteVolume import volScalarField pcorr = volScalarField( IOobject(word("pcorr"), fileName(runTime.timeName()), mesh, IOobject.NO_READ, IOobject.NO_WRITE), mesh, dimensionedScalar(word("pcorr"), pd.dimensions(), 0.0), pcorrTypes, ) from Foam.OpenFOAM import dimTime rUAf = dimensionedScalar(word("(1|A(U))"), dimTime / rho.dimensions(), 1.0) from Foam.finiteVolume import adjustPhi adjustPhi(phi, U, pcorr) from Foam import fvc, fvm for nonOrth in range(nNonOrthCorr + 1): pcorrEqn = fvm.laplacian(rUAf, pcorr) == fvc.div(phi) pcorrEqn.setReference(pdRefCell, pdRefValue) pcorrEqn.solve() if nonOrth == nNonOrthCorr: phi.ext_assign(phi - pcorrEqn.flux()) pass from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr) pass
def _hEqn(rho, h, phi, turbulence, thermo, DpDt): from Foam import fvm hEqn = fvm.ddt(rho, h) + fvm.div(phi, h) - fvm.laplacian( turbulence.alphaEff(), h) == DpDt hEqn.relax() hEqn.solve() thermo.correct() return hEqn
def fun_hEqn(mesh, rho, h, phi, DpDt, thermo, turbulence, finalIter): from Foam import fvm hEqn = fvm.ddt(rho, h) + fvm.div(phi, h) - fvm.laplacian( turbulence.alphaEff(), h) == DpDt hEqn.relax() hEqn.solve(mesh.solver(h.select(finalIter))) thermo.correct() pass
def pEqn( runTime, mesh, p, phi, U, UEqn, eqnResidual, maxResidual, nNonOrthCorr, cumulativeContErr, pRefCell, pRefValue ): p.ext_boundaryField().updateCoeffs() AU = UEqn.A() U.ext_assign(UEqn.H() / AU) UEqn.clear() from Foam import fvc phi.ext_assign(fvc.interpolate(U) & mesh.Sf()) from Foam.finiteVolume import adjustPhi adjustPhi(phi, U, p) # Non-orthogonal pressure corrector loop for nonOrth in range(nNonOrthCorr + 1): from Foam import fvm, fvc pEqn = fvm.laplacian(1.0 / AU, p) == fvc.div(phi) pEqn.setReference(pRefCell, pRefValue) # retain the residual from the first iteration if nonOrth == 0: eqnResidual = pEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) pass else: pEqn.solve() pass if nonOrth == nNonOrthCorr: phi.ext_assign(phi - pEqn.flux()) pass pass from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr) # Explicitly relax pressure for momentum corrector p.relax() # Momentum corrector U.ext_assign(U - fvc.grad(p) / AU) U.correctBoundaryConditions() return eqnResidual, maxResidual, cumulativeContErr
def _pEqn( runTime, mesh, UEqn, U, p, p_rgh, gh, ghf, phi, alpha1, rho, g, interface, corr, nCorr, nNonOrthCorr, pRefCell, pRefValue, cumulativeContErr ): rAU = 1.0/UEqn.A() from Foam import fvc rAUf = fvc.interpolate( rAU ) U.ext_assign( rAU * UEqn.H() ) from Foam.finiteVolume import surfaceScalarField from Foam.OpenFOAM import word phiU = surfaceScalarField( word( "phiU" ), fvc.interpolate( U ) & mesh.Sf() ) if p_rgh.needReference(): fvc.makeRelative( phiU, U ) from Foam.finiteVolume import adjustPhi adjustPhi( phiU, U, p ) fvc.makeAbsolute( phiU, U ) pass phi.ext_assign( phiU + ( fvc.interpolate( interface.sigmaK() ) * fvc.snGrad( alpha1 ) - ghf * fvc.snGrad( rho ) )*rAUf*mesh.magSf() ) from Foam import fvm for nonOrth in range( nNonOrthCorr + 1 ): p_rghEqn = fvm.laplacian( rAUf, p_rgh ) == fvc.div( phi ) p_rghEqn.setReference( pRefCell, pRefValue ) p_rghEqn.solve( mesh.solver( p_rgh.select(corr == nCorr-1 and nonOrth == nNonOrthCorr) ) ) if nonOrth == nNonOrthCorr: phi.ext_assign( phi - p_rghEqn.flux() ) pass pass U.ext_assign( U + rAU * fvc.reconstruct( ( phi - phiU ) / rAUf ) ) U.correctBoundaryConditions() from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr ) # Make the fluxes relative to the mesh motion fvc.makeRelative( phi, U ) p == p_rgh + rho * gh if p_rgh.needReference(): from Foam.OpenFOAM import pRefValue p.ext_assign( p + dimensionedScalar( word( "p" ), p.dimensions(), pRefValue - getRefCellValue(p, pRefCell) ) ) p_rgh.ext_assign( p - rho * gh ) pass return cumulativeContErr
def _correctPhi(runTime, mesh, p, rAU, phi, nNonOrthCorr, pRefCell, pRefValue, cumulativeContErr): if mesh.changing(): for patchi in range(U.boundaryField().size()): if U.boundaryField()[patchi].fixesValue(): U.boundaryField()[patchi].initEvaluate() pass pass for patchi in range(U.boundaryField().size()): if U.boundaryField()[patchi].fixesValue(): U.boundaryField()[patchi].evaluate() phi.boundaryField()[patchi].ext_assign( U.boundaryField()[patchi] & mesh.Sf().boundaryField()[patchi]) pass pass pass from Foam.OpenFOAM import wordList from Foam.finiteVolume import zeroGradientFvPatchScalarField pcorrTypes = wordList(p.ext_boundaryField().size(), zeroGradientFvPatchScalarField.typeName) from Foam.finiteVolume import fixedValueFvPatchScalarField for i in range(p.ext_boundaryField().size()): if p.ext_boundaryField()[i].fixesValue(): pcorrTypes[i] = fixedValueFvPatchScalarField.typeName pass pass from Foam.finiteVolume import volScalarField from Foam.OpenFOAM import IOobject, word, fileName, dimensionedScalar pcorr = volScalarField( IOobject(word("pcorr"), fileName(runTime.timeName()), mesh(), IOobject.NO_READ, IOobject.NO_WRITE), mesh(), dimensionedScalar(word("pcorr"), p.dimensions(), 0.0), pcorrTypes) for nonOrth in range(nNonOrthCorr + 1): from Foam import fvm, fvc pcorrEqn = (fvm.laplacian(rAU, pcorr) == fvc.div(phi)) pcorrEqn.setReference(pRefCell, pRefValue) pcorrEqn.solve() if nonOrth == nNonOrthCorr: phi.ext_assign(phi - pcorrEqn.flux()) pass pass from Foam.finiteVolume.cfdTools.general.include import ContinuityErrs cumulativeContErr = ContinuityErrs(phi, runTime, mesh, cumulativeContErr) return cumulativeContErr
def _correctPhi( runTime, mesh, p, rAU, phi, nNonOrthCorr, pRefCell, pRefValue, cumulativeContErr ): if mesh.changing(): for patchi in range( U.boundaryField().size() ): if U.boundaryField()[patchi].fixesValue(): U.boundaryField()[patchi].initEvaluate() pass pass for patchi in range( U.boundaryField().size() ): if U.boundaryField()[patchi].fixesValue(): U.boundaryField()[patchi].evaluate() phi.boundaryField()[patchi].ext_assign( U.boundaryField()[patchi] & mesh.Sf().boundaryField()[patchi] ) pass pass pass from Foam.OpenFOAM import wordList from Foam.finiteVolume import zeroGradientFvPatchScalarField pcorrTypes = wordList( p.ext_boundaryField().size(), zeroGradientFvPatchScalarField.typeName ) from Foam.finiteVolume import fixedValueFvPatchScalarField for i in range( p.ext_boundaryField().size() ): if p.ext_boundaryField()[i].fixesValue(): pcorrTypes[i] = fixedValueFvPatchScalarField.typeName pass pass from Foam.finiteVolume import volScalarField from Foam.OpenFOAM import IOobject, word, fileName, dimensionedScalar pcorr = volScalarField( IOobject( word( "pcorr" ), fileName( runTime.timeName() ), mesh(), IOobject.NO_READ, IOobject.NO_WRITE ), mesh(), dimensionedScalar( word( "pcorr" ), p.dimensions(), 0.0), pcorrTypes ) for nonOrth in range( nNonOrthCorr + 1 ): from Foam import fvm,fvc pcorrEqn = ( fvm.laplacian( rAU, pcorr ) == fvc.div( phi ) ) pcorrEqn.setReference(pRefCell, pRefValue) pcorrEqn.solve() if nonOrth == nNonOrthCorr: phi.ext_assign( phi - pcorrEqn.flux() ) pass pass from Foam.finiteVolume.cfdTools.general.include import ContinuityErrs cumulativeContErr = ContinuityErrs( phi, runTime, mesh, cumulativeContErr ) return cumulativeContErr
def fun_pEqn( thermo, g, rho, UEqn, p, U, psi, phi, initialMass, runTime, mesh, nNonOrthCorr, pRefCell, eqnResidual, maxResidual, cumulativeContErr ): rho.ext_assign( thermo.rho() ) rUA = 1.0/UEqn.A() from Foam.OpenFOAM import word from Foam import fvc,fvm from Foam.finiteVolume import surfaceScalarField rhorUAf = surfaceScalarField(word( "(rho*(1|A(U)))" ) , fvc.interpolate(rho*rUA)); U.ext_assign(rUA*UEqn.H()) UEqn.clear() phi.ext_assign( fvc.interpolate( rho )*(fvc.interpolate(U) & mesh.Sf()) ) from Foam.finiteVolume import adjustPhi closedVolume = adjustPhi(phi, U, p); buoyancyPhi =surfaceScalarField( rhorUAf * fvc.interpolate( rho )*( g & mesh.Sf() ) ) phi.ext_assign( phi+buoyancyPhi ) for nonOrth in range( nNonOrthCorr+1 ): from Foam import fvm pEqn = fvm.laplacian(rhorUAf, p) == fvc.div(phi) pEqn.setReference(pRefCell, p[pRefCell]); if (nonOrth == 0): eqnResidual = pEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) else: pEqn.solve() if (nonOrth == nNonOrthCorr): if (closedVolume): p.ext_assign( p + ( initialMass - fvc.domainIntegrate( psi * p ) ) / fvc.domainIntegrate( psi ) ) phi.ext_assign( phi - pEqn.flux() ) p.relax() U.ext_assign( U + rUA * fvc.reconstruct( ( buoyancyPhi - pEqn.flux() ) / rhorUAf ) ) U.correctBoundaryConditions(); from Foam.finiteVolume.cfdTools.general.include import ContinuityErrs cumulativeContErr = ContinuityErrs( phi, runTime, mesh, cumulativeContErr ) rho.ext_assign( thermo.rho() ) rho.relax() ext_Info()<< "rho max/min : " << rho.ext_max().value() << " " << rho.ext_min().value() << nl return eqnResidual, maxResidual, cumulativeContErr
def _hEqn( phi, h, turbulence, rho, p, thermo, eqnResidual, maxResidual ): from Foam import fvc, fvm hEqn = fvm.div( phi, h ) - fvm.Sp( fvc.div( phi ), h ) - fvm.laplacian( turbulence.alphaEff(), h ) \ == fvc.div( phi / fvc.interpolate( rho ) * fvc.interpolate( p ) ) - p * fvc.div( phi / fvc.interpolate( rho ) ) hEqn.relax() eqnResidual = hEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) thermo.correct() return hEqn, eqnResidual, maxResidual
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
def solveEnthalpyEquation( rho, DpDt, phi, turb, thermo ): h = thermo.h() from Foam import fvm hEqn = ( ( fvm.ddt( rho, h ) + fvm.div( phi, h ) - fvm.laplacian( turb.alphaEff(), h ) ) == DpDt ) hEqn.relax() hEqn.solve() thermo.correct() from Foam.OpenFOAM import ext_Info, nl ext_Info() << "Min/max T:" << thermo.T().ext_min() << ' ' \ << thermo.T().ext_max() << nl return hEqn
def _TEqn( turbulence, T, phi, rhok, beta, TRef, Pr, Prt ): from Foam.OpenFOAM import word from Foam.finiteVolume import volScalarField kappaEff = volScalarField( word( "kappaEff" ), turbulence.nu() / Pr + turbulence.ext_nut() / Prt ) from Foam import fvc, fvm TEqn = fvm.ddt( T ) + fvm.div( phi, T ) - fvm.laplacian( kappaEff, T ) TEqn.relax() TEqn.solve() rhok.ext_assign( 1.0 - beta * ( T - TRef ) ) return TEqn, kappaEff
def _pEqn(mesh, UEqn, U, p, phi, alpha1, rho, g, interface, corr, nCorr, nNonOrthCorr, pRefCell, pRefValue): rUA = 1.0 / UEqn.A() from Foam import fvc rUAf = fvc.interpolate(rUA) 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)) from Foam.finiteVolume import adjustPhi adjustPhi(phiU, U, p) phi.ext_assign( phiU + ( fvc.interpolate(interface.sigmaK()) * fvc.snGrad(alpha1) * mesh.magSf() + fvc.interpolate(rho) * (g & mesh.Sf()) ) * rUAf ) from Foam import fvm for nonOrth in range(nNonOrthCorr + 1): pEqn = fvm.laplacian(rUAf, p) == fvc.div(phi) pEqn.setReference(pRefCell, pRefValue) if corr == nCorr - 1 and nonOrth == nNonOrthCorr: pEqn.solve(mesh.solver(word(str(p.name()) + "Final"))) pass else: pEqn.solve(mesh.solver(p.name())) pass if nonOrth == nNonOrthCorr: phi.ext_assign(phi - pEqn.flux()) pass pass U.ext_assign(U + rUA * fvc.reconstruct((phi - phiU) / rUAf)) U.correctBoundaryConditions() pass
def pEqn(runTime, mesh, p, phi, U, UEqn, eqnResidual, maxResidual, nNonOrthCorr, cumulativeContErr, pRefCell, pRefValue): p.ext_boundaryField().updateCoeffs() AU = UEqn.A() U.ext_assign(UEqn.H() / AU) UEqn.clear() from Foam import fvc phi.ext_assign(fvc.interpolate(U) & mesh.Sf()) from Foam.finiteVolume import adjustPhi adjustPhi(phi, U, p) # Non-orthogonal pressure corrector loop for nonOrth in range(nNonOrthCorr + 1): from Foam import fvm, fvc pEqn = fvm.laplacian(1.0 / AU, p) == fvc.div(phi) pEqn.setReference(pRefCell, pRefValue) # retain the residual from the first iteration if (nonOrth == 0): eqnResidual = pEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) pass else: pEqn.solve() pass if (nonOrth == nNonOrthCorr): phi.ext_assign(phi - pEqn.flux()) pass pass from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr) #Explicitly relax pressure for momentum corrector p.relax() #Momentum corrector U.ext_assign(U - fvc.grad(p) / AU) U.correctBoundaryConditions() return eqnResidual, maxResidual, cumulativeContErr
def correctPhi( runTime, mesh, phi, p, rho, U, cumulativeContErr, nNonOrthCorr, pRefCell, pRefValue ): from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr ) from Foam.OpenFOAM import wordList from Foam.finiteVolume import zeroGradientFvPatchScalarField pcorrTypes = wordList( p.ext_boundaryField().size(), zeroGradientFvPatchScalarField.typeName ) from Foam.finiteVolume import fixedValueFvPatchScalarField for i in range( p.ext_boundaryField().size() ): if p.ext_boundaryField()[i].fixesValue(): pcorrTypes[i] = fixedValueFvPatchScalarField.typeName pass pass from Foam.OpenFOAM import IOdictionary, IOobject, word, fileName, dimensionedScalar from Foam.finiteVolume import volScalarField pcorr = volScalarField( IOobject( word( "pcorr" ), fileName( runTime.timeName() ), mesh, IOobject.NO_READ, IOobject.NO_WRITE ), mesh, dimensionedScalar( word( "pcorr" ), p.dimensions(), 0.0 ), pcorrTypes ) from Foam.OpenFOAM import dimTime rUAf = dimensionedScalar( word( "(1|A(U))" ), dimTime / rho.dimensions(), 1.0) from Foam.finiteVolume import adjustPhi adjustPhi(phi, U, pcorr) from Foam import fvc, fvm for nonOrth in range( nNonOrthCorr + 1 ): pcorrEqn = fvm.laplacian( rUAf, pcorr ) == fvc.div( phi ) pcorrEqn.setReference(pRefCell, pRefValue) pcorrEqn.solve() if nonOrth == nNonOrthCorr: phi.ext_assign( phi - pcorrEqn.flux() ) pass from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr ) pass
def pEqn(runTime, mesh, U, rUA, UEqn, phi, p, nCorr, nOuterCorr, nNonOrthCorr, oCorr, corr, pRefCell, pRefValue, cumulativeContErr): U.ext_assign(rUA * UEqn.H()) if (nCorr <= 1): UEqn.clear() pass from Foam import fvc phi.ext_assign((fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, U, phi)) from Foam.finiteVolume import adjustPhi adjustPhi(phi, U, p) # Non-orthogonal pressure corrector loop for nonOrth in range(nNonOrthCorr + 1): #Pressure corrector from Foam import fvm pEqn = fvm.laplacian(rUA, p) == fvc.div(phi) pEqn.setReference(pRefCell, pRefValue) if (oCorr == nOuterCorr - 1) and (corr == nCorr - 1) and (nonOrth == nNonOrthCorr): from Foam.OpenFOAM import word pEqn.solve(mesh.solver(word("pFinal"))) pass else: pEqn.solve() pass if (nonOrth == nNonOrthCorr): phi.ext_assign(phi - pEqn.flux()) pass pass from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr) # Explicitly relax pressure for momentum corrector except for last corrector if (oCorr != nOuterCorr - 1): p.relax() pass U.ext_assign(U - rUA * fvc.grad(p)) U.correctBoundaryConditions() return cumulativeContErr
def fun_hEqn( mesh, rho, h, phi, turbulence, DpDt, thermo, oCorr, nOuterCorr ): from Foam import fvm hEqn = fvm.ddt(rho, h) + fvm.div( phi, h ) - fvm.laplacian( turbulence.alphaEff(), h ) == DpDt if oCorr == nOuterCorr-1: hEqn.relax() from Foam.OpenFOAM import word hEqn.solve(mesh.solver( word( "hFinal" ) ) ) pass else: hEqn.relax() hEqn.solve() pass thermo.correct() pass return hEqn
def fun_TEqn( turbulence, phi, T, rhok, beta, TRef, Pr, Prt, eqnResidual, maxResidual ): from Foam.OpenFOAM import word from Foam.finiteVolume import volScalarField kappaEff = volScalarField( word( "kappaEff" ), turbulence.nu() / Pr + turbulence.ext_nut() / Prt ) from Foam import fvc, fvm TEqn = fvm.div( phi, T ) - fvm.Sp( fvc.div( phi ), T ) - fvm.laplacian( kappaEff, T ) TEqn.relax() eqnResidual = TEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) rhok.ext_assign( 1.0 - beta * ( T - TRef ) ) return TEqn, kappaEff
def fun_hEqn( turbulence, phi, h, rho, radiation, p, thermo, eqnResidual, maxResidual ): from Foam import fvc, fvm left_exp = fvm.div( phi, h ) - fvm.Sp( fvc.div( phi ), h ) - fvm.laplacian( turbulence.alphaEff(), h ) right_exp = fvc.div( phi/fvc.interpolate( rho )*fvc.interpolate( p ) ) - p*fvc.div( phi/fvc.interpolate( rho ) ) + radiation.Sh( thermo() ) hEqn = (left_exp == right_exp ) hEqn.relax() eqnResidual = hEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) thermo.correct() radiation.correct() return hEqn, eqnResidual, maxResidual
def fun_hEqn(mesh, rho, h, phi, turbulence, DpDt, thermo, oCorr, nOuterCorr): from Foam import fvm hEqn = fvm.ddt(rho, h) + fvm.div(phi, h) - fvm.laplacian( turbulence.alphaEff(), h) == DpDt if oCorr == nOuterCorr - 1: hEqn.relax() from Foam.OpenFOAM import word hEqn.solve(mesh.solver(word("hFinal"))) pass else: hEqn.relax() hEqn.solve() pass thermo.correct() pass return hEqn
def pEqn( runTime, mesh, U, rUA, UEqn, phi, p, nCorr, nOuterCorr, nNonOrthCorr, oCorr, corr, pRefCell, pRefValue, cumulativeContErr ): U.ext_assign( rUA * UEqn.H() ) if ( nCorr <= 1 ): UEqn.clear() pass from Foam import fvc phi.ext_assign( ( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, U, phi ) ) from Foam.finiteVolume import adjustPhi adjustPhi( phi, U, p ) # Non-orthogonal pressure corrector loop for nonOrth in range( nNonOrthCorr + 1): #Pressure corrector from Foam import fvm pEqn = fvm.laplacian( rUA, p ) == fvc.div( phi ) pEqn.setReference( pRefCell, pRefValue ) if ( oCorr == nOuterCorr-1 ) and ( corr == nCorr-1 ) and ( nonOrth == nNonOrthCorr ) : from Foam.OpenFOAM import word pEqn.solve( mesh.solver( word( "pFinal" ) ) ) pass else: pEqn.solve() pass if ( nonOrth == nNonOrthCorr ) : phi.ext_assign( phi - pEqn.flux() ) pass pass from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs( mesh, phi, runTime, cumulativeContErr ) # Explicitly relax pressure for momentum corrector except for last corrector if ( oCorr != nOuterCorr-1 ): p.relax() pass U.ext_assign( U - rUA * fvc.grad( p ) ) U.correctBoundaryConditions() return cumulativeContErr
def fun_TEqn(turbulence, phi, T, rhok, beta, TRef, Pr, Prt, eqnResidual, maxResidual): from Foam.OpenFOAM import word from Foam.finiteVolume import volScalarField kappaEff = volScalarField( word("kappaEff"), turbulence.nu() / Pr + turbulence.ext_nut() / Prt) from Foam import fvc, fvm TEqn = fvm.div(phi, T) - fvm.Sp(fvc.div(phi), T) - fvm.laplacian( kappaEff, T) TEqn.relax() eqnResidual = TEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) rhok.ext_assign(1.0 - beta * (T - TRef)) return TEqn, kappaEff
def _hEqn(thermo, phi, h, turbulence, p, rho, eqnResidual, maxResidual): from Foam.finiteVolume import fvScalarMatrix from Foam import fvc, fvm left_expr = fvm.div(phi, h) - fvm.Sp(fvc.div(phi), h) - fvm.laplacian( turbulence.alphaEff(), h) from Foam.OpenFOAM import word right_expr = fvc.div(phi / fvc.interpolate(rho) * fvc.interpolate( p, word("div(U,p)"))) - p * fvc.div(phi / fvc.interpolate(rho)) hEqn = (left_expr == right_expr) hEqn.relax() eqnResidual = hEqn.solve().initialResidual() maxResidual = max(eqnResidual, maxResidual) thermo.correct() return hEqn, eqnResidual, maxResidual
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
def _pEqn(mesh, UEqn, U, p, pd, phi, alpha1, rho, ghf, interface, corr, nCorr, nNonOrthCorr, pdRefCell, pdRefValue): rUA = 1.0 / UEqn.A() from Foam import fvc rUAf = fvc.interpolate(rUA) 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)) from Foam.finiteVolume import adjustPhi adjustPhi(phiU, U, p) phi.ext_assign(phiU + (fvc.interpolate(interface.sigmaK()) * fvc.snGrad(alpha1) - ghf * fvc.snGrad(rho)) * rUAf * mesh.magSf()) from Foam import fvm for nonOrth in range(nNonOrthCorr + 1): pdEqn = fvm.laplacian(rUAf, pd) == fvc.div(phi) pdEqn.setReference(pdRefCell, pdRefValue) if corr == nCorr - 1 and nonOrth == nNonOrthCorr: pdEqn.solve(mesh.solver(word(str(pd.name()) + "Final"))) pass else: pdEqn.solve(mesh.solver(pd.name())) pass if nonOrth == nNonOrthCorr: phi.ext_assign(phi - pdEqn.flux()) pass pass U.ext_assign(U + rUA * fvc.reconstruct((phi - phiU) / rUAf)) U.correctBoundaryConditions() pass
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
def fun_hEqn( rho, h, phi, turb, DpDt, thermo, mesh, oCorr, nOuterCorr ) : from Foam import fvm hEqn = ( ( fvm.ddt( rho, h ) + fvm.div( phi, h ) - fvm.laplacian( turb.alphaEff(), h ) ) == DpDt ) if oCorr == nOuterCorr - 1 : hEqn.relax() from Foam.OpenFOAM import word hEqn.solve( mesh.solver( word( "hFinal" ) ) ) else: hEqn.relax() hEqn.solve() pass thermo.correct() from Foam.OpenFOAM import ext_Info, nl ext_Info()<< "Min/max T:" << thermo.T().ext_min().value() << ' ' \ << thermo.T().ext_max().value() << nl return hEqn
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 _pEqn(runTime, mesh, U, UEqn, phi, p, rhok, g, corr, nCorr, nNonOrthCorr, cumulativeContErr): from Foam.finiteVolume import volScalarField, surfaceScalarField from Foam.OpenFOAM import word from Foam import fvc rUA = volScalarField(word("rUA"), 1.0 / UEqn.A()) rUAf = surfaceScalarField(word("(1|A(U))"), fvc.interpolate(rUA)) U.ext_assign(rUA * UEqn.H()) phiU = (fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, U, phi) phi.ext_assign(phiU + rUAf * fvc.interpolate(rhok) * (g & mesh.Sf())) for nonOrth in range(nNonOrthCorr + 1): from Foam import fvm pEqn = fvm.laplacian(rUAf, p) == fvc.div(phi) if (corr == nCorr - 1) and (nonOrth == nNonOrthCorr): from Foam.OpenFOAM import word pEqn.solve(mesh.solver(word(str(p.name()) + "Final"))) pass else: pEqn.solve(mesh.solver(p.name())) pass if (nonOrth == nNonOrthCorr): phi.ext_assign(phi - pEqn.flux()) pass pass U.ext_assign(U + rUA * fvc.reconstruct((phi - phiU) / rUAf)) U.correctBoundaryConditions() from Foam.finiteVolume.cfdTools.incompressible import continuityErrs cumulativeContErr = continuityErrs(mesh, phi, runTime, cumulativeContErr) return pEqn
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