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Forum: OpenFOAM Running, Solving & CFD

September 17, 2007, 17:48

Replies: 14

Transient simulation not converging

Views: 8,427

Posted By skabilan

Thanks All.. Was able to get t

Thanks All.. Was able to get the transient simulation done.

The Fix:

Use of GAMG for pressure (in /system/fvSolution) and adaptive time stepping

Forum: OpenFOAM Running, Solving & CFD

August 25, 2007, 16:22

Replies: 14

Transient simulation not converging

Views: 8,427

Posted By skabilan

Hi Philippose/Srinath, Than

Hi Philippose/Srinath,

Thanks for the information on normalization...Actually I was not aware of that. If I understand it right.. if i need to specify say 20 pascals at the inlet, I need to...

Forum: OpenFOAM Running, Solving & CFD

August 25, 2007, 15:20

Replies: 14

Transient simulation not converging

Views: 8,427

Posted By skabilan

Thanks for all the input....

Thanks for all the input....

The amplitude of the sinewave is 1.3778 but the offset is 20 P. so it is 20+- 1.3778. Therefore the outlets are maintained at 20 Pa. Ill try your suggestions and get...

Forum: OpenFOAM Running, Solving & CFD

August 25, 2007, 02:08

Replies: 14

Transient simulation not converging

Views: 8,427

Posted By skabilan

Hi Philippose, Thanks for t

Hi Philippose,

Thanks for the response...

1. Which solver are you using
icoFoam

2. Are you sure the flow is not turbulent?
Its Laminar

Forum: OpenFOAM Running, Solving & CFD

August 24, 2007, 14:18

Replies: 14

Transient simulation not converging

Views: 8,427

Posted By skabilan

I am trying to simulate a tran

I am trying to simulate a transient flow through branching cylinders. The geometry is not complex. There was no problem with steady state solution. I prescribe the inlet pressure which is a positive...

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