Results 111 to 120 of about 493,736 (167)

Well-posedness of evolutionary Stokes–Darcy model governed by a hemivariational inequality

Advances in Nonlinear Analysis
The paper deals with the well-posedness of the time-dependent Stokes–Darcy model for an incompressible fluid in a bounded domain. The no-leak boundary condition and a multivalued nonmonotone slip condition of “friction type” is assumed.
Migórski Stanisław, Dudek Sylwia
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Sensitivity of Optimal Solutions to Control Problems for Second Order Evolution Subdifferential Inclusions. [PDF]

Appl Math Optim, 2015
Bartosz K, Denkowski Z, Kalita P.
europepmc   +1 more source

Existence of three nontrivial solutions for nonlinear Neumann hemivariational inequalities

, 2009
In this paper we consider a nonlinear Neumann problem driven by the p-Laplacian with a nonsmooth potential (hemivariational inequality). Using minimax methods based on the nonsmooth critical point theory together with suitable truncation techniques, we ...
PAPAGEORGIOU N. S., Papageorgiou, NS, Iannizzotto, A, IANNIZZOTTO, ANTONIO   +3 more
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Constant Sign and Nodal Solutions for Problems with the -Laplacian and a Nonsmooth Potential Using Variational Techniques

Boundary Value Problems, 2009
We consider a nonlinear elliptic equation driven by the -Laplacian with a nonsmooth potential (hemivariational inequality) and Dirichlet boundary condition.
Filippakis MichaelE, Papageorgiou NikolaosS, O'Regan Donal, Agarwal RaviP   +3 more
doaj  

Variational-hemivariational inequality for a class of dynamic nonsmooth frictional contact problems

, 2019
In this paper, a dynamic frictional contact problem for viscoelastic materials with long memory is studied. The contact is modeled by a multivalued normal damped response condition with the Clarke generalized gradient of a locally Lipschitz ...
Gamorski, Piotr, Migórski, Stanisław, Stanisław Migórski, Piotr Gamorski   +3 more
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Numerical Methods for Evolution Hemivariational Inequalities

, 2015
We consider numerical methods of solving evolution subdifferential inclusions of nonmonotone type. In the main part of the chapter we apply Rothe method for a class of second order problems. The method consists in constructing a sequence of piecewise constant and piecewise linear functions being a solution of approximate problem.
openaire   +2 more sources

Variational–hemivariational system for contaminant convection–reaction–diffusion model of recovered fracturing fluid

Advances in Nonlinear Analysis
This work is devoted to study the convection–reaction–diffusion behavior of contaminant in the recovered fracturing fluid which flows in the wellbore from shale gas reservoir. First, we apply various constitutive laws for generalized non-Newtonian fluids,
Cen Jinxia, Migórski Stanisław, Yao Jen-Chih, Zeng Shengda   +3 more
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Pseudomonotone semicoercive variational-hemivariational inequalities with unilateral growth condition [PDF]

, 2003
A variational-hemivariational inequality on a vector valued function space is studied with the nonlinear part satisfying the unilateral growth condition. The higher order term is assumed to be pseudo-monotone and semicoercive. The compatibility condition
Naniewicz, Z.
core  

Comparing Nonsmooth Nonconvex Bundle Methods In Solving Hemivariational Inequalities

, 1997
Hemivariational inequalities can be considered as a generalization of variational inequalities. Their origin is in nonsmooth mechanics of solid, especially in nonmonotone contact problems.
Markku Miettinen, Ladislav Luksan, Marko M. Mäkelä, Jan Vlcek   +3 more
core  

Variational-Hemivariational Inequalities with Applications

, 2017
Sofonea, Mircea, Migorski, Stanislaw
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