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Showing results 1 to 7 of 7 Search took 0.00 seconds. Search: Posts Made By: niklas

Forum: OpenFOAM January 14, 2013, 08:10

Replies: 28 Negative absolute pressure in rhoPorousMRFSimpleFoam Views: 4,709 Posted By niklas Hmm, I've never thought about this but its... Hmm, I've never thought about this but its correct. Using total pressure as outlet bc is most likely unstable considering that you can reduce the pressure and increase the velocity, while...

Forum: OpenFOAM January 13, 2013, 12:59

Replies: 28 Negative absolute pressure in rhoPorousMRFSimpleFoam Views: 4,709 Posted By niklas ok, btw how do you look at the pressure at the... ok, btw how do you look at the pressure at the outlet?

Forum: OpenFOAM January 11, 2013, 03:09

Replies: 28 Negative absolute pressure in rhoPorousMRFSimpleFoam Views: 4,709 Posted By niklas Yes, thats what I think. I cant explain why the... Yes, thats what I think. I cant explain why the static pressure is 101325, other than that you havent converged the pressure enough. About the divergence, try to reduce the under-relaxation for...

Forum: OpenFOAM January 10, 2013, 09:52

Replies: 28 Negative absolute pressure in rhoPorousMRFSimpleFoam Views: 4,709 Posted By niklas and/or your convergence criteria for pressure is... and/or your convergence criteria for pressure is too large

Forum: OpenFOAM January 10, 2013, 09:49

Replies: 28 Negative absolute pressure in rhoPorousMRFSimpleFoam Views: 4,709 Posted By niklas Im going to make a wild guess here and assume... Im going to make a wild guess here and assume that your massflow is too low to really make a difference. What happens if you increase the massflow?

Forum: OpenFOAM January 9, 2013, 14:23

Replies: 28 Negative absolute pressure in rhoPorousMRFSimpleFoam Views: 4,709 Posted By niklas how does these settings work how does these settings work

Forum: OpenFOAM January 9, 2013, 06:51

Replies: 28 Negative absolute pressure in rhoPorousMRFSimpleFoam Views: 4,709 Posted By niklas you have a massflow as inlet bc and you are... you have a massflow as inlet bc and you are running a 2D case, so my question is then if the value of the massflow is specified in kg/s/m or in kg/s and if the width of the channel is 1 meter or...

Showing results 1 to 7 of 7

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