Ibrahimabdullah
Subscriber

actually i realized that my Graphix card is not sufficient to run high number of elements thats why it keep crashing. im solving uav (flying wing) and i dropped the number of elements and change the residual from 0.0001 to 0.001 and it converged smoothly .. here is my mesh quality. 


 



 



 


i used SA TURBULENCE MODEL 


MACH 0.2 = 68 M/S AT AOA 20