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( mesh, p, rho, psi, p_rgh, U, phi, ghf, gh, DpDt, UEqn, thermo, nNonOrthCorr, corr, nCorr, finalIter, cumulativeContErr ): 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_rgh ) rUA = 1.0 / UEqn.A() from Foam.finiteVolume import surfaceScalarField from Foam.OpenFOAM import word from Foam import fvc rhorUAf = surfaceScalarField( word( "(rho*(1|A(U)))" ), fvc.interpolate( rho * rUA ) ) U.ext_assign( rUA*UEqn.H() ) phi.ext_assign( fvc.interpolate( rho ) * ( ( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) ) ) buoyancyPhi = -rhorUAf * ghf * fvc.snGrad( rho ) * mesh.magSf() phi.ext_assign( phi + buoyancyPhi ) from Foam import fvm from Foam.finiteVolume import correction for nonOrth in range( nNonOrthCorr +1 ): p_rghEqn = fvc.ddt( rho ) + psi * correction( fvm.ddt( p_rgh ) ) + fvc.div( phi ) - fvm.laplacian( rhorUAf, p_rgh ) p_rghEqn.solve( mesh.solver( p_rgh.select( ( finalIter and corr == nCorr-1 and nonOrth == nNonOrthCorr ) ) ) ) if nonOrth == nNonOrthCorr: # Calculate the conservative fluxes phi.ext_assign( phi + p_rghEqn.flux() ) # Explicitly relax pressure for momentum corrector p_rgh.relax() # Correct the momentum source with the pressure gradient flux # calculated from the relaxed pressure U.ext_assign( U + rUA * fvc.reconstruct( ( buoyancyPhi + p_rghEqn.flux() ) / rhorUAf ) ) U.correctBoundaryConditions() pass p.ext_assign( p_rgh + rho * gh ) # Second part of thermodynamic density update thermo.rho().ext_assign( thermo.rho() + psi * p_rgh ) 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 ) return cumulativeContErr
def fun_pEqn( i, mesh, p, rho, turb, thermo, thermoFluid, K, UEqn, U, phi, psi, DpDt, initialMass, p_rgh, gh, ghf, \ nNonOrthCorr, oCorr, nOuterCorr, corr, nCorr, cumulativeContErr ) : closedVolume = p_rgh.needReference() from Foam import fvc compressibility = fvc.domainIntegrate( psi ) from Foam.OpenFOAM import SMALL compressible = ( compressibility.value() > SMALL ) rho.ext_assign( thermo.rho() ) rUA = 1.0 / UEqn.A() from Foam import fvc from Foam.OpenFOAM import word from Foam.finiteVolume import surfaceScalarField rhorUAf = surfaceScalarField( word( "(rho*(1|A(U)))" ) , fvc.interpolate( rho * rUA ) ) U.ext_assign( rUA * UEqn.H() ) from Foam import fvc phiU = ( fvc.interpolate( rho ) * ( ( fvc.interpolate( U ) & mesh.Sf() ) + fvc.ddtPhiCorr( rUA, rho, U, phi ) ) ) phi.ext_assign( phiU - rhorUAf * ghf * fvc.snGrad( rho ) * mesh.magSf() ) from Foam import fvm from Foam.finiteVolume import correction p_rghDDtEqn = fvc.ddt( rho ) + psi * correction( fvm.ddt( p_rgh ) ) + fvc.div( phi ) # 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_rgh ) for nonOrth in range ( nNonOrthCorr + 1 ): p_rghEqn = p_rghDDtEqn - fvm.laplacian( rhorUAf, p_rgh ) p_rghEqn.solve( mesh.solver( p_rgh.select( ( oCorr == nOuterCorr-1 and corr == nCorr-1 and nonOrth == nNonOrthCorr ) ) ) ) if nonOrth == nNonOrthCorr : phi.ext_assign( phi + p_rghEqn.flux() ) pass pass # Second part of thermodynamic density update thermo.rho().ext_assign( thermo.rho() + psi * p_rgh ) # Correct velocity field U.ext_assign( U + rUA * fvc.reconstruct( ( phi - phiU ) / rhorUAf ) ) U.correctBoundaryConditions() p.ext_assign( p_rgh + rho * gh ) #Update pressure substantive derivative DpDt.ext_assign( fvc.DDt( surfaceScalarField( word( "phiU" ), phi / fvc.interpolate( rho ) ), p ) ) # Solve continuity from Foam.finiteVolume.cfdTools.compressible import rhoEqn rhoEqn( rho, phi ) # Update continuity errors cumulativeContErr = compressibleContinuityErrors( i, mesh, rho, thermo, cumulativeContErr ) # For closed-volume cases adjust the pressure and density levels # to obey overall mass continuity if closedVolume and compressible: p.ext_assign( p + ( initialMass - fvc.domainIntegrate( thermo.rho() ) ) / compressibility ) rho.ext_assign( thermo.rho() ) p_rgh.ext_assign( p - rho * gh ) pass #Update thermal conductivity K.ext_assign( thermoFluid[ i ].Cp() * turb.alphaEff() ) return cumulativeContErr
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(mesh, p, rho, psi, p_rgh, U, phi, ghf, gh, DpDt, UEqn, thermo, nNonOrthCorr, corr, nCorr, finalIter, cumulativeContErr): 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_rgh) rUA = 1.0 / UEqn.A() from Foam.finiteVolume import surfaceScalarField from Foam.OpenFOAM import word from Foam import fvc rhorUAf = surfaceScalarField(word("(rho*(1|A(U)))"), fvc.interpolate(rho * rUA)) U.ext_assign(rUA * UEqn.H()) phi.ext_assign( fvc.interpolate(rho) * ((fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, rho, U, phi))) buoyancyPhi = -rhorUAf * ghf * fvc.snGrad(rho) * mesh.magSf() phi.ext_assign(phi + buoyancyPhi) from Foam import fvm from Foam.finiteVolume import correction for nonOrth in range(nNonOrthCorr + 1): p_rghEqn = fvc.ddt(rho) + psi * correction( fvm.ddt(p_rgh)) + fvc.div(phi) - fvm.laplacian(rhorUAf, p_rgh) p_rghEqn.solve( mesh.solver( p_rgh.select((finalIter and corr == nCorr - 1 and nonOrth == nNonOrthCorr)))) if nonOrth == nNonOrthCorr: # Calculate the conservative fluxes phi.ext_assign(phi + p_rghEqn.flux()) # Explicitly relax pressure for momentum corrector p_rgh.relax() # Correct the momentum source with the pressure gradient flux # calculated from the relaxed pressure U.ext_assign(U + rUA * fvc.reconstruct( (buoyancyPhi + p_rghEqn.flux()) / rhorUAf)) U.correctBoundaryConditions() pass p.ext_assign(p_rgh + rho * gh) # Second part of thermodynamic density update thermo.rho().ext_assign(thermo.rho() + psi * p_rgh) 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) return cumulativeContErr
def fun_pEqn( i, mesh, p, rho, turb, thermo, thermoFluid, K, UEqn, U, phi, psi, DpDt, initialMass, p_rgh, gh, ghf, \ nNonOrthCorr, oCorr, nOuterCorr, corr, nCorr, cumulativeContErr ) : closedVolume = p_rgh.needReference() from Foam import fvc compressibility = fvc.domainIntegrate(psi) from Foam.OpenFOAM import SMALL compressible = (compressibility.value() > SMALL) rho.ext_assign(thermo.rho()) rUA = 1.0 / UEqn.A() from Foam import fvc from Foam.OpenFOAM import word from Foam.finiteVolume import surfaceScalarField rhorUAf = surfaceScalarField(word("(rho*(1|A(U)))"), fvc.interpolate(rho * rUA)) U.ext_assign(rUA * UEqn.H()) from Foam import fvc phiU = (fvc.interpolate(rho) * ( (fvc.interpolate(U) & mesh.Sf()) + fvc.ddtPhiCorr(rUA, rho, U, phi))) phi.ext_assign(phiU - rhorUAf * ghf * fvc.snGrad(rho) * mesh.magSf()) from Foam import fvm from Foam.finiteVolume import correction p_rghDDtEqn = fvc.ddt(rho) + psi * correction( fvm.ddt(p_rgh)) + fvc.div(phi) # 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_rgh) for nonOrth in range(nNonOrthCorr + 1): p_rghEqn = p_rghDDtEqn - fvm.laplacian(rhorUAf, p_rgh) p_rghEqn.solve( mesh.solver( p_rgh.select((oCorr == nOuterCorr - 1 and corr == nCorr - 1 and nonOrth == nNonOrthCorr)))) if nonOrth == nNonOrthCorr: phi.ext_assign(phi + p_rghEqn.flux()) pass pass # Second part of thermodynamic density update thermo.rho().ext_assign(thermo.rho() + psi * p_rgh) # Correct velocity field U.ext_assign(U + rUA * fvc.reconstruct((phi - phiU) / rhorUAf)) U.correctBoundaryConditions() p.ext_assign(p_rgh + rho * gh) #Update pressure substantive derivative DpDt.ext_assign( fvc.DDt(surfaceScalarField(word("phiU"), phi / fvc.interpolate(rho)), p)) # Solve continuity from Foam.finiteVolume.cfdTools.compressible import rhoEqn rhoEqn(rho, phi) # Update continuity errors cumulativeContErr = compressibleContinuityErrors(i, mesh, rho, thermo, cumulativeContErr) # For closed-volume cases adjust the pressure and density levels # to obey overall mass continuity if closedVolume and compressible: p.ext_assign(p + (initialMass - fvc.domainIntegrate(thermo.rho())) / compressibility) rho.ext_assign(thermo.rho()) p_rgh.ext_assign(p - rho * gh) pass #Update thermal conductivity K.ext_assign(thermoFluid[i].Cp() * turb.alphaEff()) return cumulativeContErr