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solution diverges in pimpleFoam !!!

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Old   May 25, 2019, 16:00
Default solution diverges in pimpleFoam !!!
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Hello Foamers ,
I am making a 2D airfoil simulation using openFoam , i ve followed the wingmotion tutorial to do so .

after the creation of mesh , i ve made ,at first, the simulation using simpleFoam( steady state solver ) and the convergence was really good and also the Cm,Cd,Cl coefficients were good . but once i use the same case using pimpleFoam the solution divergese and the residuals seems to be like stuck at 0.1 for presseure and 0.001 for the velocity .

Do you have any idea about what would the problem be ?!
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