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71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
mrfZones.correctBoundaryVelocity(U1);
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mrfZones.correctBoundaryVelocity(U2);
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mrfZones.correctBoundaryVelocity(U);
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fvVectorMatrix U1Eqn(U1, U1.dimensions()*dimVol/dimTime);
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fvVectorMatrix U2Eqn(U2, U2.dimensions()*dimVol/dimTime);
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volScalarField dragCoeff(fluid.dragCoeff());
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{
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volScalarField virtualMassCoeff(fluid.virtualMassCoeff());
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volVectorField liftForce(fluid.liftForce());
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volVectorField wallLubricationForce(fluid.wallLubricationForce());
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volVectorField turbulentDispersionForce(fluid.turbulentDispersionForce());
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{
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U1Eqn =
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(
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fvm::ddt(alpha1, U1)
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+ fvm::div(alphaPhi1, U1)
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- fvm::Sp(fvc::ddt(alpha1) + fvc::div(alphaPhi1), U1)
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+ phase1.turbulence().divDevReff(U1)
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==
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- fvm::Sp(dragCoeff/rho1, U1)
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- alpha1*alpha2/rho1
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*(
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liftForce
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+ wallLubricationForce
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+ turbulentDispersionForce
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)
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- virtualMassCoeff/rho1
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*(
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fvm::ddt(U1)
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+ fvm::div(phi1, U1)
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- fvm::Sp(fvc::div(phi1), U1)
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- DDtU2
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)
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);
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mrfZones.addCoriolis(alpha1 + virtualMassCoeff/rho1, U1Eqn);
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U1Eqn.relax();
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}
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{
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U2Eqn =
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(
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fvm::ddt(alpha2, U2)
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+ fvm::div(alphaPhi2, U2)
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- fvm::Sp(fvc::ddt(alpha2) + fvc::div(alphaPhi2), U2)
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+ phase2.turbulence().divDevReff(U2)
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==
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- fvm::Sp(dragCoeff/rho2, U2)
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+ alpha1*alpha2/rho2
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*(
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liftForce
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+ wallLubricationForce
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+ turbulentDispersionForce
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)
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- virtualMassCoeff/rho2
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*(
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fvm::ddt(U2)
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+ fvm::div(phi2, U2)
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- fvm::Sp(fvc::div(phi2), U2)
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- DDtU1
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)
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);
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mrfZones.addCoriolis(alpha2 + virtualMassCoeff/rho2, U2Eqn);
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U2Eqn.relax();
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}
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}
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