Dear all, I've tried a few of supersonic cases and failed each time. And there's no supersonic cases in published posts. I'm wondering if PyFR is suitable for supersonic cases in normal working condition? Best regards, Ray

Hi Ray, How did it fail? What Mach numbers were you trying? We have run cases with relatively low Mach numbers (<2) with PyFR using artificial viscosity (see the User Guide): shock-capturing — shock capturing scheme: none | artificial-viscosity Cheers Peter

[image] Hi Peter, I’ve tried this case, Mach 3 Wind Tunnel With a Step. It’s in the book, AN ANALYSIS OF STABILITY OF THE FLUX RECONSTRUCTION FORMULATION WITH APPLICATIONS TO SHOCK CAPTURING. I got RuntimeError: NaNs detected at t = 0.05… Is there any problem in my configure file? Thanks! Ray s…

Hi Ray, I think Forward facing step problem with M=3 is one of the tough benchmark problems of shock-capturing methods. It may yield negative value issues around the expansion corner and you may need some special cures (ex. refining mesh around the corner). Furthermore, you didn’t turn on the art…

Hi Jin Seok, Thanks a lot! It works. Regards, Ray

Is PyFR suitable for supersonic cases?

General

WillT Split this topic 7 February 2022 13:03 6

A post was split to a new topic: Double Shock case

Topic		Replies	Views
How PyFR handle shock capture problem? General	2	419	5 August 2022
How is PyFR used for hypersonic simulations? Errors config	1	285	27 November 2023
Transonic, supersonic cases Cases compressible	1	230	26 June 2023
Transonic 2D Cylinder flow NaN General	7	542	26 January 2022
How high of a Mach number / flight regime can PyFR handle? Cases	1	115	22 August 2024

Is PyFR suitable for supersonic cases?

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