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Existence analysis for incompressible fluid model of electrically charged chemically reacting and heat conducting mixtures
Analysis of PDEs · Submitted 24 Dec 2016
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We show that under certain assumptions on data and the constitutive relations for such a fluid there exists a global in time and large data weak solution.
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The abstract, sentence by sentence
We deal with a three dimensional model based on the use of barycentric velocity that describes unsteady flows of a heat conducting electrically charged multicomponent chemically reacting non-Newtonian fluid. We show that under certain assumptions on data and the constitutive relations for such a fluid there exists a global in time and large data weak solution. The paper has two key novelties. The first one is that we present a model that is thermodynamically and mechanically consistent and that is able to describe the cross effects in a generality never considered before, i.e., we cover the so-called Soret effect, Dufour effect, Ohm law, Peltier effect, Joul heating, Thompson effect, Seebeck effect and also the generalized Fick law. The second key novelty is that contrary to the previous works on the similar topic, we do not need to deal with the energy equality method and therefore we are able to cover a large range of power-law parameters in the Cauchy-stress. In particular, we cover even the Newtonian case (which is the most used model), for which the existence analysis was missing.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We deal with a three dimensional model based on the use of barycentric velocity that describes unsteady flows of a heat conducting electrically charged multicomponent chemically reacting non-Newtonian fluid. | contribution 0.35 | 0.54 | 0.03 | asserted 0.98 |
| s1 | We show that under certain assumptions on data and the constitutive relations for such a fluid there exists a global in time and large data weak solution. | result 0.97 | 0.95 | 0.87 | asserted 1.00 |
| s2 | The paper has two key novelties. | contribution 0.98 | 0.55 | 0.03 | asserted 0.98 |
| s3 | The first one is that we present a model that is thermodynamically and mechanically consistent and that is able to describe the cross effects in a generality never considered before, i.e., we cover the so-called Soret effect, Dufour effect, Ohm law, Peltier effect, Joul heating, Thompson effect, Seebeck effect and also the generalized Fick law. | contribution 1.00 | 0.92 | 0.06 | asserted 1.00 |
| s4 | The second key novelty is that contrary to the previous works on the similar topic, we do not need to deal with the energy equality method and therefore we are able to cover a large range of power-law parameters in the Cauchy-stress. | contribution 0.99 | 0.91 | 0.07 | asserted 1.00 |
| s5 | In particular, we cover even the Newtonian case (which is the most used model), for which the existence analysis was missing. | gap 0.56 | 0.63 | 0.09 | asserted 1.00 |
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The paper
Original abstract
We deal with a three dimensional model based on the use of barycentric velocity that describes unsteady flows of a heat conducting electrically charged multicomponent chemically reacting non-Newtonian fluid. We show that under certain assumptions on data and the constitutive relations for such a fluid there exists a global in time and large data weak solution. The paper has two key novelties. The first one is that we present a model that is thermodynamically and mechanically consistent and that is able to describe the cross effects in a generality never considered before, i.e., we cover the so-called Soret effect, Dufour effect, Ohm law, Peltier effect, Joul heating, Thompson effect, Seebeck effect and also the generalized Fick law. The second key novelty is that contrary to the previous works on the similar topic, we do not need to deal with the energy equality method and therefore we are able to cover a large range of power-law parameters in the Cauchy-stress. In particular, we cover even the Newtonian case (which is the most used model), for which the existence analysis was missing.
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