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Forum: OpenFOAM Running, Solving & CFD December 21, 2018, 09:18
Replies: 39
Views: 13,665
Posted By tomf
Hi any of: reactingFoam ...

Hi

any of:

reactingFoam
rhoReactingFoam
rhoReactingBuoyantFoam

The latter if buoyancy is important in your case.
Forum: OpenFOAM Running, Solving & CFD September 9, 2014, 09:38
Replies: 39
Views: 13,665
Posted By tomf
1) I have no experience with Fluent, so I can not...

1) I have no experience with Fluent, so I can not comment on this.

2) Convergence within the time step may be another factor indeed, so good that you modified those parameters.

It may indeed...
Forum: OpenFOAM Running, Solving & CFD September 9, 2014, 08:25
Replies: 39
Views: 13,665
Posted By tomf
Hi James, 1) No it should not, since it...

Hi James,

1) No it should not, since it seems like the extremities of the domain are far enough away from your region of interest.

2) I would believe the mesh is mainly responsible. As you see...
Forum: OpenFOAM Running, Solving & CFD September 8, 2014, 07:53
Replies: 39
Views: 13,665
Posted By tomf
Hi James, Did not have time to answer until...

Hi James,

Did not have time to answer until now unfortunately. Maybe you have already done a lot more research by now.

1) It has been a while since I used the waveTransmissive boundary...
Forum: OpenFOAM Running, Solving & CFD August 25, 2014, 04:40
Replies: 39
Views: 13,665
Posted By tomf
Hi, For non-reflective boundary conditions I...

Hi,

For non-reflective boundary conditions I believe there is a boundary condition called waveTransmissive (for pressure), and use it with advective (for other quantities), this may help to reduce...
Forum: OpenFOAM Running, Solving & CFD August 20, 2014, 06:25
Replies: 39
Views: 13,665
Posted By tomf
Dear James, Let me answer you: 1. The...

Dear James,

Let me answer you:

1. The reason I suggested "calculated" is due to the fact that the mass fraction of all species should not be larger than 1, using calculated makes N2=1-(O2+H2),...
Forum: OpenFOAM Running, Solving & CFD August 20, 2014, 04:46
Replies: 39
Views: 13,665
Posted By tomf
Hi, For the "Open Atmosphere" boundaries I...

Hi,

For the "Open Atmosphere" boundaries I would use:

p: totalPressure
U: pressureInletOutletVelocity
k/H2/O2/epsilon/T: inletOutlet
mut/alphat/N2: calculated

Regards,
Showing results 1 to 7 of 7

 
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