floating operating pressure and monitors force
Hello,
I'm a french student in Hydraulics et I have a problem of CFD. I carry out a unsteady, ideal gaz, turbulence, segregated calculation. In fact,I'm pumping a gas into a tank and the flow which enters has a low mach. So, I use the floating operating pressure to avoid roundoff errors. My aim is to calculate the moment exerted by gas on a wall of the tank. Fluent calculates this moment from static pressure which is a relative pressure. Me I want the absolute pression moment.We have Absolute pressure= static pressure+ floating operating pressure. So, how could I manage to this good moment value? Cordially |
Re: floating operating pressure and monitors force
How will adding a constant to the pressure field change the moment calculated?
If you somehow change the reference pressure with time then simply calculate the relevant moment at the beggining of each timestep? |
Re: floating operating pressure and monitors force
Thanks for answer, but I don't know the floating operating pressure for each time step. Next, The reference value is fixed during the calculation. Then, if we have 2 bars or 1 bar on a wall, it's different for moment value, I may think that I don't understand what you have said.
If you have more details, I will be you grateful. Sorry for my approximate english |
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