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Fitting the trendline for porous zone modelling |
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November 17, 2015, 09:41 |
Fitting the trendline for porous zone modelling
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Vinit
Join Date: Nov 2015
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Hello,
I am trying to model a porous zone using the experimental data in FLUENT solver, and stuck with a simple yet difficult issue. I am referring to the FLUENT manual, which has shown an example of a test case for a pressure drop against velocity (see attachment). Using a trend-line, an equation was deduced that is without the constant term; del_p = 0.28296v^2 - 4.33539v. I tried using the same inputs in Excel, but end up in a different 2nd order polynomial expression for the trend-line that includes the constant term, and the equation changes as well; del_p = 0.3119v^2 - 8.5428v + 126.63 Could someone please shed some knowledge? http://aerojet.engr.ucdavis.edu/flue...ug/node276.htm (7.19-23) Last edited by vdighe; November 17, 2015 at 09:44. Reason: INCOMPLETE |
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experimental data, fluent, porous domain, porous interface, porous jump bc |
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