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covergence problem

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Old   October 26, 2013, 09:06
Default covergence problem
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WALI HASAN
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hello sir
i am doing the simualtion on 2D airfoil .with a time step size 1e-05 and total no. of step is 50000 .with maximum iteration of 100 per time step size
when i start the solution it converges after 100 iteration and it remain converges but after flow time .08 the solution does not CONVERGES .

WHAT IS THE PROBLEM FOR NOT CONVERGING THE SOLUTION.


PLEASE HELP ME
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