what reason for AGARD445.6 flutter Calculation is divergence (MPCCI+FLUENT+ANSYS) -- CFD Online Discussion Forums

February 10, 2012, 11:07	what reason for AGARD445.6 flutter Calculation is divergence (MPCCI+FLUENT+ANSYS)	#1
franckgong New Member Join Date: Jul 2010 Posts: 2 Rep Power: 0	MPCCI3.0.6 FLUENT6.3.26 ANSYS 11 Structural Mechanics Calculation vibration curve is smooth and convergence, but about 0.2s ,the vibration curve burr is appear, CFD aerodynamic burr is appear, AGARD445.6 wing's trailing edge is wave form. then this condition is gradually serious, last CFD Calculation is divergence for grid vomlue is negative. who can give me any suggestion? It is very nice of you to help me!

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