Truncation Error Analysis in Turbulent Boundary Layers
The influence of turbulence model and numerical technique on RANS computations is discussed in the case of turbulent boundary layer flow on a flat plate. In particular, results are presented for a centered scheme with artificial dissipation and a ENO-type scheme with the Baldwin-Lomax and Spalart-Al...
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| Veröffentlicht in: | Journal of fluids engineering 2002-09, Vol.124 (3), p.657-663 |
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| container_title | Journal of fluids engineering |
| container_volume | 124 |
| creator | Di Mascio, A Paciorri, R Favini, B |
| description | The influence of turbulence model and numerical technique on RANS computations is discussed in the case of turbulent boundary layer flow on a flat plate. In particular, results are presented for a centered scheme with artificial dissipation and a ENO-type scheme with the Baldwin-Lomax and Spalart-Allmaras models. First, in an a priori analysis, the truncation errors are evaluated under the assumption of parallel Couette flow and some conclusions about mesh optimization and scheme performance are drawn. Then, the a posteriori analysis for the numerical solution of turbulent boundary layer on a flat plate is performed. Grid Convergence Index and convergence rate analysis confirm the a priori results. |
| doi_str_mv | 10.1115/1.1478564 |
| format | Article |
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In particular, results are presented for a centered scheme with artificial dissipation and a ENO-type scheme with the Baldwin-Lomax and Spalart-Allmaras models. First, in an a priori analysis, the truncation errors are evaluated under the assumption of parallel Couette flow and some conclusions about mesh optimization and scheme performance are drawn. Then, the a posteriori analysis for the numerical solution of turbulent boundary layer on a flat plate is performed. 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Fluids Eng</addtitle><description>The influence of turbulence model and numerical technique on RANS computations is discussed in the case of turbulent boundary layer flow on a flat plate. In particular, results are presented for a centered scheme with artificial dissipation and a ENO-type scheme with the Baldwin-Lomax and Spalart-Allmaras models. First, in an a priori analysis, the truncation errors are evaluated under the assumption of parallel Couette flow and some conclusions about mesh optimization and scheme performance are drawn. Then, the a posteriori analysis for the numerical solution of turbulent boundary layer on a flat plate is performed. 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| identifier | ISSN: 0098-2202 |
| ispartof | Journal of fluids engineering, 2002-09, Vol.124 (3), p.657-663 |
| issn | 0098-2202 1528-901X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_27781257 |
| source | ASME Transactions Journals (Current) |
| subjects | Boundary layer and shear turbulence Exact sciences and technology Fluid dynamics Fundamental areas of phenomenology (including applications) Physics Turbulence simulation and modeling Turbulent flows, convection, and heat transfer |
| title | Truncation Error Analysis in Turbulent Boundary Layers |
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