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swapnilsahu0111

How to calculate the Total pressure?

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Acufieldview gives the nodal pressure output, but if I want to see total pressure how its possible.


 


I tried through the function tab by creating the formula Ptotal = Pressure+ 0.5*rho*V^2


but it doesnot accepts the formula.


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If you are looking for integral values (over a surface) then the easiest way is to get the Total Pressure  in AcuProbe.


 


If you have not created any formula a simple Kelvin to Celsius would be a good start.


Try copying this string in the formula field.


"pressure"+(0.5*"density"*("velocity_magnitude"^2))

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I was using the same thing from the beginning when the formula did not worked i.e the density value instead of the string "density", But then also the value makes a large difference in Acufield and AcuProbe.(I have attached two files of same model for total pressure results of Acufield and AcuProbe), in which AcuProbe results matchup with my analytical results. Also, when we calculate for velocity magnitude it gives the different value for velocity in AcuProbe and Acufield. Furthermore if I calculate the velocity in both x axis and y axis, how it can be calculated? Because it doesnot gives the option in AcuProbe.


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Could you post a few pictures of the contour plot with mesh ? Probably the mesh is too coarse for the integration in AcuFieldView. With a fine enough mesh results from both AcuProbe and AcuFieldView should match.

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