17 lines
464 B
C++
17 lines
464 B
C++
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volVectorField Ur = Ua - Ub;
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volScalarField magUr = mag(Ur);
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volScalarField CdaMagUr =
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(24.0*nub/da)*(scalar(1) + 0.15*pow(da*magUr/nub, 0.687));
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volScalarField CdbMagUr =
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(24.0*nua/db)*(scalar(1) + 0.15*pow(db*magUr/nua, 0.687));
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volScalarField dragCoef
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(
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"Cd",
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0.75*(beta*rhob*CdaMagUr/da + alpha*rhoa*CdbMagUr/db)
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);
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volVectorField liftCoeff = Cl*(beta*rhob + alpha*rhoa)*(Ur ^ fvc::curl(U));
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