dynamic mesh problem -- CFD Online Discussion Forums

May 6, 2014, 06:30	dynamic mesh problem	#1
ahmadi New Member ahmady.a Join Date: Oct 2013 Posts: 19 Rep Power: 12	Hi every body I am simulating natural convection in a cavity for initial condition and then vibrate bottom wall .moving frequency is high:40khz so my time step will be small. but when i reduce time step to 10e-07 for exact solution, fluent doesnt sense bottom wall moving and dynamic mesh doesnt work, Where is the problem? Please help me.

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