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Search: Posts Made By: panara
Forum: OpenFOAM Running, Solving & CFD May 20, 2005, 06:58
Replies: 42
Views: 6,010
Posted By panara
Do you think that the BCs I wa

Do you think that the BCs I was giving are badposed or refining the grid and using a smaller time step can help?

Since I have already an oscillatingFixedValue BC, can I derive an...
Forum: OpenFOAM Running, Solving & CFD May 20, 2005, 06:18
Replies: 42
Views: 6,010
Posted By panara
It is a pulsating channel, it

It is a pulsating channel, it means that I have both conditions, the inlet at some point becomes an outlet and the outlet an inlet.

I prescribe an oscillating value of velocity at the inlet and...
Forum: OpenFOAM Running, Solving & CFD May 20, 2005, 04:32
Replies: 42
Views: 6,010
Posted By panara
Thanks for the usefull explana

Thanks for the usefull explanation,

I have another question, I am experiencing problem in convergence when the amplitude of the pulsating flow in the channel is high, and I have reverse flow... ...
Forum: OpenFOAM Running, Solving & CFD May 19, 2005, 06:40
Replies: 42
Views: 6,010
Posted By panara
Dear all, I am using rhoTur

Dear all,

I am using rhoTurbFoam (URANS) for simulating a heated air pipe flow with high amplitude pulsation of the flowrate.

Im using the following BC

Inlet: prescribed pulsating...
Forum: OpenFOAM Running, Solving & CFD April 21, 2005, 08:32
Replies: 42
Views: 6,010
Posted By panara
>What OpenFOAM version are you

>What OpenFOAM version are you running?

1.1

>What solver?

rhoTurbFoam

>What thermodynamics package?
Forum: OpenFOAM Running, Solving & CFD April 21, 2005, 08:19
Replies: 42
Views: 6,010
Posted By panara
Yes, I am using fixed gradient

Yes, I am using fixed gradient boundary condition on temperature and I get the same error message as Jarrod.

It is related to the boundary condition I am giving or something else?
Forum: OpenFOAM Running, Solving & CFD April 21, 2005, 08:11
Replies: 42
Views: 6,010
Posted By panara
I have the same problems as Ja

I have the same problems as Jarrod,

I am trying to simulate a channel flow with constant wall heat flux.

I cannot use adiabatic walls so what should I do?

Should I use another solver? ...
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