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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: ghorrocks

Forum: CFX March 20, 2014, 15:56

Replies: 12 Ideal gas problem Views: 9,706 Posted By ghorrocks Yes, but mean temperature at the initial... Yes, but mean temperature at the initial condition (or some other condition) to return a constant value. Do not make it a function of the average temperature at that moment in time because then it is...

Forum: CFX March 20, 2014, 05:13

Replies: 12 Ideal gas problem Views: 9,706 Posted By ghorrocks Sure, but still give it a constant value, not a... Sure, but still give it a constant value, not a function of the field variables. The whole point of a reference value is it is constant. If it changes it is not much of a reference.

Forum: CFX March 19, 2014, 16:34

Replies: 12 Ideal gas problem Views: 9,706 Posted By ghorrocks You should set the reference density to a... You should set the reference density to a constant value. I am not sure what CFX does if you set it to a potentially varying number like you have. It could do unexpected things.

Forum: CFX March 19, 2014, 06:10

Replies: 12 Ideal gas problem Views: 9,706 Posted By ghorrocks Can you post an image of what you are modelling... Can you post an image of what you are modelling and your CCL?

Forum: CFX March 19, 2014, 05:52

Replies: 12 Ideal gas problem Views: 9,706 Posted By ghorrocks You will have problems running a closed domain... You will have problems running a closed domain with an incompressible fluid. You will get out of bounds errors on pressure...... Which is what you are getting :) You have to either make the fluid...

Forum: CFX March 18, 2014, 16:49

Replies: 12 Ideal gas problem Views: 9,706 Posted By ghorrocks Ideal gas will have a hydrostatic pressure... Ideal gas will have a hydrostatic pressure gradient. You do not need real gas for this. Have a look in the documentation about hydrostatic pressure - the pressure variable has the hydrostatic...

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