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noSlip BC for rhoCentralFoam

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Old   July 7, 2022, 17:40
Exclamation noSlip BC for rhoCentralFoam
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Gurjot Ahuja
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I am simulating a diamond airfoil at supersonic flow at Mach 3. I am using rhoCentralFoam as a solver and k-w SST turbulence model to solve this case. When I use velocity boundary condition as "slip" for the airfoil boundary, my run is successful without any problems, but when I change the BC to "noSlip". I am getting a "Negative Initial Temperature T0" error and the run crashes.
I have also tried to limit the temperature using fvOptions, but it's not working. I have also checked by refining the mesh, but still, the problem exists.

Please help me.

Other boundary conditions for airfoil are as follows:
p - type zeroGradient
T - type zeroGradient
alphat - type compressible::alphatWallFunction, value uniform 8.88e-9
epsilon - type epsilonWallFunction, value uniform 365627.58
k - type kqRWallFunction, value uniform 901.31
nut - type nutkWallFunction, value uniform 0.199
omega - type omegaWallFunction, value uniform 4507.4

Last edited by tum-student; July 10, 2022 at 09:53.
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airfoil, negative temperature, noslip, rhocentralfoam, viscous flow

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