# Pressure distribution

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 August 14, 2005, 19:16 Pressure distribution #1 Sham Guest   Posts: n/a Hello all, I am modelling an external flow over a cylinder. Is it possible to plot a pressure distribution around the cylinder wall in FLUENT? If so, how? Thanks in advance. Sham.

 August 15, 2005, 17:03 Re: Pressure distribution #2 Ben Guest   Posts: n/a In the plot option you can select pressure and for the surface, you select the cylinder surface. That will give you the pressure distribution over the cylinder.

 August 16, 2005, 23:54 Re: Pressure distribution #3 ayyappan Guest   Posts: n/a hi its better to compare nondimensional pressure than merely pressure

 August 23, 2005, 01:16 Re: Pressure distribution #4 Allan Cross Guest   Posts: n/a The best way I found of doing a pressure plot on a cylinder is with the "Solve--> execute command" and run it every like 10 time steps. the command I'm using is plot plot yes "pressure%i" yes no no pressure yes 1 0 (1 8) | | | | | | | | | | | | menu | node values | order pt| | cell function | surface ids command File%i iteration |Y axis Lenght | | iy Yaxis | ix X axis Just get you surface id for what you want, its a pain in the to find these ids i remeber. Also split you cylinder into the top half and bottom half as you want to have pressure plots each seperate, otherwise you get two pressures for one point in the x-direction. eg, (1 8) 1 is top surface id, 8 is bottom surface id

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