21 lines
843 B
C
21 lines
843 B
C
//CMC mixture fraction variance equation
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//cf) mfVar should not be ZERO
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SDR = turbulence->epsilon() * mfVar / turbulence->k();
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volVectorField Gradmf = fvc::grad(mf);
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//Info<<"CMC mixture fraction variance equation start"<<endl;
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solve
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(
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fvm::ddt(rho,mfVar)
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+ mvConvection->fvmDiv(phi, mfVar)
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- fvm::laplacian(1.47*turbulence->mut(), mfVar) //let 1/Sc = 1.47
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//- fvm::laplacian(1.47*turbulence->muEff(), mfVar) //let 1/Sc = 1.47
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==
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2 * ( 1.47 * turbulence->mut() ) * (Gradmf & Gradmf)
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// 2 * ( 1.47 * turbulence->muEff() ) * (Gradmf & Gradmf)
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- 2 * rho * SDR
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//+ 2*(0.5)*sqrt(mag(mfVar))*Sevap*(1-mf)
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);
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//Info<<"CMC mixture fraction variance equation end"<<endl;
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