Large Time Behavior of Deterministic and Stochastic 3D Convective Brinkman-Forchheimer Equations in Periodic Domains

被引：11

作者：

Kinra, Kush ^{[1
]}

Mohan, Manil T. ^{[1
]}

机构：

[1] Indian Inst Technol Roorkee IIT Roorkee, Dept Math, Haridwar Highway, Roorkee 247667, Uttarakhand, India

来源：

JOURNAL OF DYNAMICS AND DIFFERENTIAL EQUATIONS | 2023年 / 35卷 / 03期

关键词：

3D stochastic convective Brinkman-Forchheimer equations; Periodic domains; Cylindrical Wiener process; Random dynamical system; Absorbing sets; Random attractors; NAVIER-STOKES EQUATIONS; RANDOM ATTRACTOR; PRIMITIVE EQUATIONS; GLOBAL ATTRACTORS; RANDOM DYNAMICS; EXISTENCE; DRIVEN; ERGODICITY; REGULARITY; SPACES;

D O I：

10.1007/s10884-021-10073-7

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The large time behavior of deterministic and stochastic three dimensional convective Brinkman-Forchheimer (CBF) equations partial derivative(t) u - mu Delta u + (u center dot del) u + alpha u + beta| u|(r-1)u+ del p = f, del center dot u = 0, for r = 3 ( mu, beta > 0 for r > 3 and 2 beta mu = 1 for r = 3), in periodic domains is carried out in this work. Our first goal is to prove the existence of global attractors for the 3D deterministic CBF equations. Then, we show the existence of random attractors for the 3D stochastic CBF equations perturbed by small additive smooth noise. Furthermore, we establish the upper semicontinuity of random attractors for the 3D stochastic CBF equations (stability of attractors), when the coefficient of random perturbation approaches to zero. Finally, we address the existence and uniqueness of invariant measures of 3D stochastic CBF equations.

引用

页码：2355 / 2396

页数：42

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