Name: Application of Fun3d and Cfl3d to the Third Workshop on Cfd Uncertainty Analysis
Price: 27.09 EUR
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Author: Rumsey, C. L. ; Thomas, J. L. ; Nasa Technical Reports Server (Ntrs)
ISBN: 9781289158392

portada Application of Fun3d and Cfl3d to the Third Workshop on Cfd Uncertainty Analysis

Application of Fun3d and Cfl3d to the Third Workshop on Cfd Uncertainty Analysis

Type

Physical Book

Author

Nasa Technical Reports Server (Ntrs)

C. L. Rumsey

J. L. Thomas

Publisher

Bibliogov

Language

English

Pages

Format

Paperback

Dimensions

24.6 x 18.9 x 0.2 cm

Weight

0.09 kg.

ISBN13

9781289158392

Synopsis "Application of Fun3d and Cfl3d to the Third Workshop on Cfd Uncertainty Analysis"

Two Reynolds-averaged Navier-Stokes computer codes - one unstructured and one structured - are applied to two workshop cases (for the 3rd Workshop on CFD Uncertainty Analysis, held at Instituto Superior Tecnico, Lisbon, in October 2008) for the purpose of uncertainty analysis. The Spalart-Allmaras turbulence model is employed. The first case uses the method of manufactured solution and is intended as a verification case. In other words, the CFD solution is expected to approach the exact solution as the grid is refined. The second case is a validation case (comparison against experiment), for which modeling errors inherent in the turbulence model and errors/uncertainty in the experiment may prevent close agreement. The results from the two computer codes are also compared. This exercise verifies that the codes are consistent both with the exact manufactured solution and with each other. In terms of order property, both codes behave as expected for the manufactured solution. For the backward facing step, CFD uncertainty on the finest grid is computed and is generally very low for both codes (whose results are nearly identical). Agreement with experiment is good at some locations for particular variables, but there are also many areas where the CFD and experimental uncertainties do not overlap.

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Application of Fun3d and Cfl3d to the Third Workshop on Cfd Uncertainty Analysis - Rumsey, C. L. ; Thomas, J. L. ; Nasa Technical Reports Server (Ntrs)

Synopsis "Application of Fun3d and Cfl3d to the Third Workshop on Cfd Uncertainty Analysis"

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