Navier--Stokes calculations for vortex rings in an unbounded domain (Q1308929)
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scientific article; zbMATH DE number 465257
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Navier--Stokes calculations for vortex rings in an unbounded domain |
scientific article; zbMATH DE number 465257 |
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Navier--Stokes calculations for vortex rings in an unbounded domain (English)
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7 December 1993
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A computational code for the vorticity-potential method is developed for a three-dimensional bounded vorticity field. The evaluation of the boundary data for the vector potential in the code is improved so that the numerical solution simulates that in an unbounded domain to a high order. The time evolution of two vortex rings and that of an elliptic ring are investigated. The cut-and-connect phenomena of vortex rings are successfully captured. The results are compared with those of asymptotic theory and the experiment.
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vorticity-potential method
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three-dimensional bounded vorticity field
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time evolution
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elliptic ring
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cut-and-connect phenomena
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0.89206934
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0.8916055
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0.8892671
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0.88886577
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0.8856214
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0.8848436
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