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Forum: OpenFOAM

June 22, 2009, 05:40

Replies: 11

Pressure Inlet Velocity

Views: 17,025

Posted By Julian K.

Today, I looked at the results of my...

Today, I looked at the results of my calculations. They are stable :)! The BC 'waveTransmissve' seems to stabilize the simulations. There is no drastic increase anymore in pressure or velocity. So...

Forum: OpenFOAM

June 19, 2009, 08:06

Replies: 11

Pressure Inlet Velocity

Views: 17,025

Posted By Julian K.

I'm using OF 1.5. The interim results look...

I'm using OF 1.5.

The interim results look okay; simulations are still running and stable. Thanks!. I hope they won't blow up again. At the beginning of next week I can tell if it worked out.
...

Forum: OpenFOAM

June 19, 2009, 07:38

Replies: 11

Pressure Inlet Velocity

Views: 17,025

Posted By Julian K.

Yes, by static pressure I mean 'fixedValue' type...

Yes, by static pressure I mean 'fixedValue' type of boundary condition for pressure - I hope my interpretation of 'fixedValue' for pressure is correct.
Thus, as mentioned, I already tried a...

Forum: OpenFOAM

June 19, 2009, 05:41

Replies: 11

Pressure Inlet Velocity

Views: 17,025

Posted By Julian K.

Actually my task is to compare the results of the...

Actually my task is to compare the results of the OpenFoam simuatlion of the CD nozzle with results we got from calculation with a different solvers. In these calculations there was a total pressure...

Forum: OpenFOAM

June 19, 2009, 04:10

Replies: 11

Pressure Inlet Velocity

Views: 17,025

Posted By Julian K.

Hi, I have experienced a similar effect....

Hi,

I have experienced a similar effect. I'm simulating a convergent-divergent supersonic nozzle. I also set the pressure difference of 300mbar between inlet and outlet.

BCs for inlet: -...

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