Comparison of three second-order accurate reconstruction schemes for 2D Euler and Navier-Stokes compressible flows on unstructured grids (Q2731531)
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scientific article; zbMATH DE number 1626074
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Comparison of three second-order accurate reconstruction schemes for 2D Euler and Navier-Stokes compressible flows on unstructured grids |
scientific article; zbMATH DE number 1626074 |
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Comparison of three second-order accurate reconstruction schemes for 2D Euler and Navier-Stokes compressible flows on unstructured grids (English)
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22 July 2003
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Euler equations
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Navier-Stokes equations
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two-dimensional compressible flows
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function reconstruction
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approximation of gradient
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double-throated nozzle grid
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unstructured grids
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The authors consider traditional numerical methods on unstructured grids for two-dimensional Euler and Navier-Stokes compressible flows. The special attention is paid to the construction of good approximations of gradients of functions based on the function values at centroids of cells (control volumes). Three different procedures are compaired on the basis of numerical experiments for several inviscid and viscous laminar compressible flows. One of the problems deals with ``double-throated nozzle grid'' and has about 4500 elements.
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