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[Other] Mesh movement to simulate vibration/oscillation of a flat plate

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Old   July 10, 2014, 06:13
Default Mesh movement to simulate vibration/oscillation of a flat plate
Thangam Natarajan
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I have used the oscillatingFixedValue bc to simulate a vibrating wall (with known frequency and amplitude) with some success. However now I dont want to use wall velocities any more and interested in moving the mesh to simulate the same. The case is a simple 3D box where I want the bottom face/plate of the box to vibrate with fixed frequency and amplitude. Any ideas/ tuts similar to the case? do i use slidinginterface? 6DoF?

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Old   July 14, 2014, 17:31
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I have a very similar question and am curious whether you are attempting to model your motion with a moving shape inside of a mesh domain (so like a deforming mesh) or a sliding mesh with a fixed shape inside of it. I am trying to model an airfoil oscillating in an airflow and have been told that it must be done using a sliding mesh for accuracy purposes. Love to hear anyone's feedback on either of these questions
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Old   August 13, 2014, 04:42
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Eric Lillberg
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Look at pimpleDyMFoam/movingCone tutorial and apply oscillatingFixedValue to applicable pointMotion field in your setup
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mesh movement, oscillating, vibration

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