A quasi-neutral limit in a hydrodynamic model for charged fluids (Q1404224)
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scientific article; zbMATH DE number 1968535
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A quasi-neutral limit in a hydrodynamic model for charged fluids |
scientific article; zbMATH DE number 1968535 |
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A quasi-neutral limit in a hydrodynamic model for charged fluids (English)
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20 August 2003
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This paper considers the combined quasineutral and relaxation time limit for a bipolar hydrodynamic model. The limit problem is shown to lead to a nonlinear diffusion equation that describes a neutral fluid. Various entropy arguments are used, and the necessary strong convergence of the densities is obtained by using a variant of the ``div-curl'' lemma and monotonicity methods.
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combined quasineutral and relaxation time limit
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bipolar hydrodynamic model
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entropy
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monotonicity
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