Variational approach for the Stokes and Navier–Stokes systems with nonsmooth coefficients in Lipschitz domains on compact Riemannian manifolds

M Kohr, WL Wendland - Calculus of Variations and Partial Differential …, 2018 - Springer
The purpose of this paper is to show well-posedness results for Dirichlet problems for the
Stokes and Navier–Stokes systems with L^ ∞ L∞-variable coefficients in L^ 2 L 2-based …

[PDF][PDF] A shape derivative for optimal control of the nonlinear Brinkman-Forchheimer equation

JRG Granada, VA Kovtunenko - J. Appl. Numer. Optim, 2021 - static.uni-graz.at
For a generalized Brinkman–Forchheimer's equation under divergence-free and mixed
boundary conditions, the stationary equilibrium problem and the inverse problem of shape …

Transmission problems for the Navier–Stokes and Darcy–Forchheimer–Brinkman systems in Lipschitz domains on compact Riemannian manifolds

M Kohr, SE Mikhailov, WL Wendland - Journal of Mathematical Fluid …, 2017 - Springer
The purpose of this paper is to study boundary value problems of transmission type for the
Navier–Stokes and Darcy–Forchheimer–Brinkman systems in two complementary Lipschitz …

Potentials and transmission problems in weighted Sobolev spaces for anisotropic Stokes and Navier–Stokes systems with L strongly elliptic coefficient tensor

M Kohr, SE Mikhailov, WL Wendland - Complex Variables and …, 2020 - Taylor & Francis
We obtain well-posedness results in L p-based weighted Sobolev spaces for a transmission
problem for anisotropic Stokes and Navier–Stokes systems with L∞ strongly elliptic …

Layer potential theory for the anisotropic Stokes system with variable L symmetrically elliptic tensor coefficient

M Kohr, SE Mikhailov… - Mathematical Methods in …, 2021 - Wiley Online Library
The aim of this paper is to develop a layer potential theory in L 2‐based weighted Sobolev
spaces on Lipschitz bounded and exterior domains of ℝ n, n≥ 3, for the anisotropic Stokes …

Well-posedness of a nonlinear interface problem described by hemivariational inequalities via boundary integral operators

J Gwinner - Journal of Mathematical Sciences, 2024 - Springer
This paper is devoted to the well-posedness of a novel nonlinear interface problem on an
unbounded domain with nonmonotone set-valued transmission conditions. This interface …

[PDF][PDF] Dirichlet and transmission problems for anisotropic stokes and Navier-Stokes systems with L tensor coefficient under relaxed ellipticity condition

M Kohr, SE Mikhailov, WL Wendland - 2021 - bura.brunel.ac.uk
The first aim of this paper is to show well-posedness of Dirichlet and transmission problems
in bounded and exterior Lipschitz domains in R n, n≥ 3, for the anisotropic Stokes system …

[PDF][PDF] Boundary-domain integral equations equivalent to an exterior mixed BVP for the variable-viscosity compressible Stokes PDEs

S Mikhailov, CF Portillo - 2021 - bura.brunel.ac.uk
Two direct systems of Boundary-Domain Integral Equations, BDIEs, associated with a mixed
boundary value problem for the stationary compressible Stokes system with variable …

The mixed problem for the Darcy-Forchheimer-Brinkman system

D Medková - Journal of Differential Equations, 2024 - Elsevier
This paper studies the mixed problems for the Brinkman system in H s (Ω; R m)× H s− 1 (Ω)
with 1≤ s≤ 2. Here Ω⊂ R m is a bounded domain with Lipschitz boundary (not necessarily …

On a Dirichlet problem for the Darcy-Forchheimer-Brinkman system with application to lid-driven porous cavity flow with internal square block

I Papuc - Applied Mathematics and Computation, 2021 - Elsevier
In this paper we are concerned with both theoretical and numerical study of a Dirichlet
boundary value problem for the nonlinear Darcy-Forchheimer-Brinkman system on a …