Pressurising a zone
Hi, I am having an issue with fluent, as I have 2 zones which are separated by a crack and I want to set the pressure of one zone to be higher than the other to analyse flow through the crack. I have attempted to do this using the patch feature but am not having success, does anyone have any advice?
Thanks |
The patch method is correct. Can you elaborate what do you mean by "I'm not having success"?
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First I select patch-(variable)pressure-(zones to patch)room and then input the pressure into value. However when I run calculation the results arn't showing a pressure different between the zones. Also just to confirm is the value input into the patch total pressure or gauge pressure?
Thanks for your help. |
Total pressure is defined as static pressure + dynamic pressure. If you start with fluid at rest just input static gauge pressure. After patching go to plot contour and see if you patched correctly.
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Thanks |
of course you must re patch after doing an initialization, the initialization replaces every variable in the whole domain with the chosen inital values. patching should not be too tedious just a few clicks ..
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