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Forum: Main CFD Forum

November 4, 2012, 08:44

Replies: 13

Do we really have a fourth order scheme?

Views: 3,627

Posted By praveen

I stand corrected. The averaged derivative can...

I stand corrected. The averaged derivative can indeed be shown to be fourth order accurate by doing a truncation error analysis, at least in the interior. I dont know what openfoam would do at...

Forum: Main CFD Forum

November 4, 2012, 05:06

Replies: 13

Do we really have a fourth order scheme?

Views: 3,627

Posted By praveen

The OPs question is correctly posed. He is...

The OPs question is correctly posed. He is putting a smooth function and computing its derivative. He is not solving a PDE at this stage.

He is doing this in 1d on uniform grids.

He should see...

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