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How obtain a Mach number value from a case run with Xifoam solver?? |
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June 15, 2011, 04:00 |
How obtain a Mach number value from a case run with Xifoam solver??
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Hi Foamers, I want to compute the Mach number from an case solved with XiFoam, but when I try to use the Mach utility from postProcessing velocityField library, but when I can do, the Mach utility give this error:
--> FOAM FATAL ERROR: Unknown basicPsiThermo type hhuMixtureThermo<homogeneousMixture<sutherlandTran sport<specieThermo<janafThermo<perfectGas>>>>> Valid basicPsiThermo types are: 11 ( ePsiThermo<pureMixture<constTransport<specieThermo <eConstThermo<perfectGas>>>>> ePsiThermo<pureMixture<constTransport<specieThermo <hConstThermo<perfectGas>>>>> ePsiThermo<pureMixture<sutherlandTransport<specieT hermo<eConstThermo<perfectGas>>>>> ePsiThermo<pureMixture<sutherlandTransport<specieT hermo<hConstThermo<perfectGas>>>>> ePsiThermo<pureMixture<sutherlandTransport<specieT hermo<janafThermo<perfectGas>>>>> hPsiThermo<pureMixture<constTransport<specieThermo <hConstThermo<perfectGas>>>>> hPsiThermo<pureMixture<sutherlandTransport<specieT hermo<hConstThermo<perfectGas>>>>> hPsiThermo<pureMixture<sutherlandTransport<specieT hermo<janafThermo<perfectGas>>>>> hsPsiThermo<pureMixture<constTransport<specieTherm o<hConstThermo<perfectGas>>>>> hsPsiThermo<pureMixture<sutherlandTransport<specie Thermo<hConstThermo<perfectGas>>>>> hsPsiThermo<pureMixture<sutherlandTransport<specie Thermo<janafThermo<perfectGas>>>>> ) From function basicPsiThermo::New(const fvMesh&) in file psiThermo/basicPsiThermo/newBasicPsiThermo.C at line 63. FOAM exiting I am looking for some help with this, I have tow ideas of how I can compute the Mach number: 1. I am thinking about changing the thermo type in the Mach utility, but i no have experience about programming in openFoam then I'm not very sure that I have to do?. 2. Extract the gamma value and then post computing Mach with the post-processing value of U and T, but I don't know where I have modify to extract the gamma value? computing the Mach number from:: M=U/sqrt(gamma*R*T) If anyone can orient me by the right way to do that, I was very thankful. best regards Felipe
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Felipe G |
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