chart problem please help
hi guys i just did a aerodynamic analysis using cfx
i used inlet velocity as 16 m/s
i have obtained results such as drag and lift force, coefficent using suitable expressions.
in the post processor CFD POST
i just want a plot of the drag,lift forces vs velocity
and drag and lift coefficients vs velocity
when i try to do this im asked for a data series i create a line like the ones that are given in the tutorial but still
i am unable to choose these variables which i have defined as they do not appear in variable drop down list boX :( :(
When i check in the conservative variable box
another large list of variables appears but the ones i have defined are not to be found
another doubt is that it says Forces can be calculated only in planar areas , so can i give a plane as a data series
please do help me out im relatively new to cfx and i need the graph for a report which has to submitted as quick as possible
You have created expressions, but have you created variables from the expressions? that may help.
I don't think you can specify a plane as a data series. But if you think about it, of course a force has to be integrated over an area, but you can normalize it and plot pressure along your line instead of force (pressure = force per unit area)
What is the Velocity you are plotting against? I see you are running only 1 simulation.
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