Good evening, I use Virtual Wind Tunnel for more than one month now and I never had big problem with it. But recently, the calculation that I run stop before the end without any explanation. Indeed, I put into the parameter a run time of 8 seconds and around 3 seconds (or less) a report is created and the calculation stop. It seems that the sofware judges by itself that it has converged or something, but when I look at the results, the flow is not contant and the drag coefficient is twice bigger than the one expected. Does anybody already have the same problem ?