A variable explicit/implicit numerical method for calculating advection on unstructured meshes (Q1287175)
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scientific article; zbMATH DE number 1282706
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A variable explicit/implicit numerical method for calculating advection on unstructured meshes |
scientific article; zbMATH DE number 1282706 |
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A variable explicit/implicit numerical method for calculating advection on unstructured meshes (English)
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2 May 1999
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We present a variable explicit/implicit numerical method for calculating fluid advection on hybrid unstructured meshes. The method intended for unsteady flows that have a large range of advective time scales, with subregions where the flow may be quasi-steady on time scales of interest. No directional splitting is used; upwinding is in the direction of the material velocity, and thus we define and use a new multidimensional limited gradient. We present results of four example calculations. \(\copyright\) Academic Press.
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advection of discontinuity at angle to square mesh
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driven cavity
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standing vortex
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gaseous fuel injection in combustion chamber
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unsteady flows
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upwinding
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multidimensional limited gradient
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0.9068273
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0.9029527
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0.9003953
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0.8998859
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0.8989986
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0.89725536
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0.8943025
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0.8937864
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