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-   -   [HELP!!!] Time dependent velocity profile (http://www.cfd-online.com/Forums/star-ccm/129947-help-time-dependent-velocity-profile.html)

wkwong February 17, 2014 00:52

[HELP!!!] Time dependent velocity profile
 
Hi,

How do I set time dependent translation velocity on my fluid region. For example, I need to set [0,0,1] m/s for first 0.01s then [0,0,-1] for the next 0.01s and so on periodically. Anyone have any idea?

Thank you.

me3840 February 23, 2014 19:52

Set your velocity definition to components and make a field function that's a sine wave with the appropriate properties based on the velocity function you want to use. Then apply that field function as the definition of the component in the z direction.


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