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derivative dU/dx pipe flow

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Old   May 2, 2008, 16:15
Default derivative dU/dx pipe flow
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Hi, I'm trying to reproduce a benchmark case with an uniform velocity inlet on a bidimensional pipe with laminar steady flow to determinate where the developed profile is achieved. I'm getting log plots of the solutions that shows some strange behaviour varying the residuals convergence criterion, I would like some opinion about this. Thanks
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