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CEL command for variables at each time step

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Old   July 5, 2018, 20:28
Default CEL command for variables at each time step
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Hello,

I am solving for a problem of rotating pressure patterns. Consider an annuls with certain pressure distribution which is supposed to be steady in the rotating frame. But certain perturbed pressure harmonics appear after a while. In order to visualize this, I need to subtract the instantaneous distribution from the initial distribution.

Now I am collecting the data at each time step and I have access to instantaneous pressure but I don't know what CEL command to use in CFD-post (or CFX) in order to differentiate between each time step results.

Thank you for your help
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cel expression, rotating frame, time steps

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