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Forum: Main CFD Forum

February 13, 2012, 02:38

Replies: 8

Wavy Solutions in 1D Euler Equation

Views: 1,572

Posted By Martin Hegedus

BTW, Pulliam and Chausse's method does have...

BTW, Pulliam and Chausse's method does have dissipation terms on the left hand side.

Forum: Main CFD Forum

February 13, 2012, 02:36

Replies: 8

Wavy Solutions in 1D Euler Equation

Views: 1,572

Posted By Martin Hegedus

For 2nd order FV (or FD) central differencing you...

For 2nd order FV (or FD) central differencing you need to add artificial dissipation, or so I believe. In general, the amount of artificial dissipation does change your RHS. So I guess I don't...

Forum: Main CFD Forum

February 12, 2012, 22:08

Replies: 8

Wavy Solutions in 1D Euler Equation

Views: 1,572

Posted By Martin Hegedus

I'm not sure of the ins and outs of what you are...

I'm not sure of the ins and outs of what you are doing, but I gather you are having difficulty with an implicit cental difference solver. And you've added artifical dissipation, as you should. The...

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