Calculation of Drag Force per unit Length
Hi,
I am running an unsteady simulation of flow past a 2D circular cylinder. I wanna know the way to calculate Drag force per unit length (D/length) in CFXpost. Thanks Farid 
Re: Calculation of Drag Force per unit Length
Calculate the drag. Divide by the length.

Re: Calculation of Drag Force per unit Length
Hi,
can you tell me for drag calculation which function I should use? 
Re: Calculation of Drag Force per unit Length
Hi Mohammad,
You can use: force_x()@boundary or force_y()@boundary or force_z()@boundary You may need to do some trig to align it with your direction of motion if it isn't aligned with an axis. Replace "boundary" with the name of your boundary region or a surface group which includes all the relevant surfaces. CycLone 
terminal velocity
hi every body
can help me about calculate drag cofficient and terminal velocity in a cyclone in fluent thank you 
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