Hello,
I’m Tunahan and I’m studying Aerospace Engineering. I want to do cfd analysis of a rocket has speed of mach 0.8 which is in transonic region. But I have no idea about boundary values or solution methods to give in a cfd analysis.
I need help about the analysis process. If anybody can help me I 'll appreciate that 
Hello Tunahan,
welcome to SimScale, i think for this purpose you need the compressible fluid flow, this is the documentation. There will you find a lot of information about cfd 
Best regards
Kai
Are you interested in modeling the shock waves? Ordinary steady state compressible simulations don’t have equations to model shock waves. The only way currently is to go for a transient compressible simulation and toggle on “Transonic” in the numerics tab.
In any case, simulations like this demand a lot of computational effort and are pretty tough to converge. [This][Deleted]project might be of interest.
I’ll tag @Get_Barried here in case he has some comments 
/Ric
Hi All,
Apologies for the delayed reply.
Transonic simulations are quite difficult due to the nature of that flow. Steady-state simulations are not possible as far as I know for transonic simulations here which means you need to use transient simulations straight away.
I suggest starting on 2D before moving on to 3D, as Ric mentioned, computational resources required for these kind of runs are immense so gotta start somewhere feasible.
Cheers.
Regards,
Barry
Hey thanks for the super helpful reply. I’m not sure how I missed that thread. I haven’t quite mastered the search function on here. I think I’ll pass with him this time around. If i want any further guideline we will contact you here https://www.simscale.com/forum/t/rocket-compressible-cfd-analysis/87313/