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带logistic源项的趋化流体简化模型解的适定性
发表时间:2022-12-29 浏览量:1941 下载量:219
全部作者: | 梁闯闯,朱尹 |
作者单位: | 重庆大学数学与统计学院 |
摘 要: | 趋化性描述了生物因外部浓度不同而做出的有偏差的运动,对生物的研究具有非常重要的作用。该文主要研究了一类新的带logistic源项的趋化流体简化模型,其是由经典的Keller-Segel-Navier-Stokes方程组在静力平衡极限下得出的。通过能量方法和不动点定理,建立了该趋化流体简化模型解的局部存在性和唯一性。 |
关 键 词: | 应用数学;Keller-Segel方程组;Navier-Stokes方程组;本原方程;适定性 |
Title: | Well-posedness of the solution to a new simplified Chemotaxis-fluid model with logistic source |
Author: | LIANG Chuangchuang, ZHU Yin |
Organization: | College of Mathematics and Statistics, Chongqing University |
Abstract: | Chemotais describes the biased movement of organisms due to different external concentrations, which is very important to the study of biology. In this paper, the new simplified chemotaxis-fluid model with logistic source is studied, which is derived from the Keller-Segel-Navier-Stokes equations under the hodrostatic approximation. And then the local existence and uniqueness of the solutions to this chemotaxis-fluid simplified model is established via the energy method and the fixed point theory. |
Key words: | applied mathematics; Keller-Segel equations; Navier-Stokes equations; primitive equations; well-posedness |
发表期数: | 2022年12月第4期 |
引用格式: | 梁闯闯,朱尹. 带logistic源项的趋化流体简化模型解的适定性[J]. 中国科技论文在线精品论文,2022,15(4):413-423. |

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