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Forum: Main CFD Forum

December 13, 2012, 05:11

Replies: 5

Solution of SOD Shock Tube Problem by using HARTEN Modified Flux TVD Scheme

Views: 2,390

Posted By xue sheng

Thanks. After your recommended correction Its...

Thanks.
After your recommended correction Its working well.
Now my Harten modified flux TVD scheme, ROE scheme, and LAX_WENDROFF scheme Code working well till CFL <1.

But my HARTEN-YEE TVD...

Forum: Main CFD Forum

December 13, 2012, 04:23

Replies: 5

Solution of SOD Shock Tube Problem by using HARTEN Modified Flux TVD Scheme

Views: 2,390

Posted By xue sheng

Thanks for correction. But it would further...

Thanks for correction.
But it would further decrease CFL criterion.
HARTEN TVD scheme should be stable below CFL <1.
But in my case it is stable around CFL<0.5.

May you please point out the...

Forum: Main CFD Forum

December 13, 2012, 00:40

Replies: 5

Solution of SOD Shock Tube Problem by using HARTEN Modified Flux TVD Scheme

Views: 2,390

Posted By xue sheng

Solution of SOD Shock Tube Problem by using HARTEN Modified Flux TVD Scheme

I am solving 1D shock tube SOD problem by using Harten modified flux TVD scheme. My code is stable till CFL less than 0.6, after that it is unstable.
It should be stable till CFL less than 1.

...

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