This error seems to occur after I add van der Waals forces to the particles, without van der Waals modeling there is no such reported error.
I have tried changing the mesh parameters as shown below, but found that it still doesn’t work. Please tell me what is the reason for this error, here is my case hope you can give me some advice, thanks!
I don’t think it is related to van der Waals. It also fails for me when I turn off cohesion. You need to set a non-zero velocity for the inlet (BC#15) and it needs to be negative because the BC plane is located at y=ymax.
Thank you very much for your reply, jeff. I don’t think this is the reason for this error, I set the flow rate for the solid phase (equal to the gas phase) and still get this error!