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what may cause this phenomenon in a result of a DG code?

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June 10, 2018, 10:54	what may cause this phenomenon in a result of a DG code?	#1
2012ZGZYY New Member Join Date: Apr 2018 Posts: 2 Rep Power: 0	Hi all, I am writing my own DG code to solve Euler equations, but the result seems weird. https://lh3.googleusercontent.com/-g...492-n-rw/1.png I don't know what may cause this phenomenon. Anyone has experience on this? I have tested with different linear solvers, including direct solvers, so I don't think it's caused by wrong use of linear solver. I also tested with straight boundary mesh and curved boundary mesh. so I don's think it's caused by the boundary mesh.

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