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Simulation of a pure-pitching and pure-plunging airfoil with StarCCM+

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Old   September 1, 2021, 07:43
Default Simulation of a pure-pitching and pure-plunging airfoil with StarCCM+
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Hi,


I would like to simulate the unsteady aerodynamics of two different and decoupled airfoil motions: firstly the pure plunging motion and secondly the pure pitching motion.



Is there a way to specify time-varying inlet velocities in StarCCM+ (one for pure-plunge and another one for pure-pitch) so that the interaction fluid-airfoil represents the desired motion? Which equations should I use?



Thanks in advice!
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Old   December 9, 2021, 02:11
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Hi,
You can use user defined field functions to simulate time varying inlet velocity conditions. As for the pure pitching and pure plunging motions, use DFBI and set the DOF accordingly.
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inlet boundary condition, pitch, plunge, velocity equation

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