English

$\mathbb{H}^1$-Random attractors for 2D stochastic convective Brinkman-Forchheimer equations in unbounded domains

Probability 2021-11-16 v1 Analysis of PDEs

Abstract

The asymptotic behavior of solutions of two dimensional stochastic convective Brinkman-Forchheimer (2D SCBF) equations in unbounded domains is discussed in this work (for example, Poincar\'e domains). We first prove the existence of H1\mathbb{H}^1-random attractors for the stochastic flow generated by 2D SCBF equations (for the absorption exponent r[1,3]r\in[1,3]) perturbed by an additive noise on Poincar\'e domains. Furthermore, we deduce the existence of a unique invariant measure in H1\mathbb{H}^1 for the 2D SCBF equations defined on Poincar\'e domains. In addition, a remark on the extension of these results to general unbounded domains is also discussed. Finally, for 2D SCBF equations forced by additive one-dimensional Wiener noise, we prove the upper semicontinuity of the random attractors, when the domain changes from bounded to unbounded (Poincar\'e).

Keywords

Cite

@article{arxiv.2111.07841,
  title  = {$\mathbb{H}^1$-Random attractors for 2D stochastic convective Brinkman-Forchheimer equations in unbounded domains},
  author = {Kush Kinra and Manil T. Mohan},
  journal= {arXiv preprint arXiv:2111.07841},
  year   = {2021}
}