Results 1 to 10 of about 22,923 (163)

Existence of Solutions to Elliptic Problem with Convection Term and Lower-Order Term [PDF]

open access: yesJournal of Function Spaces, 2020
In this paper, we establish the existence of solutions to the following noncoercivity Dirichlet problem −divMx∇u+up−1u=−divuEx+fx,x∈Ω,ux=0,x∈∂Ω, where Ω⊂ℝNN>2 is a bounded smooth domain with 0∈Ω, f belongs to the Lebesgue space LmΩ with m≥1,p>0. The main
Xiaohua He   +3 more
doaj   +2 more sources

Hölder inequality applied on a non-Newtonian fluid equation with a nonlinear convection term and a source term [PDF]

open access: yesJournal of Inequalities and Applications, 2018
Consider a non-Newtonian fluid equation with a nonlinear convection term and a source term. The existence of the weak solution is proved by Simon’s compactness theorem.
Huashui Zhan
doaj   +2 more sources

On an electrorheological fluid equation with orientated convection term [PDF]

open access: yesBoundary Value Problems, 2019
A kind of electrorheological fluid equations with orientated convection terms is considered. If the diffusion coefficient a(x,t)∈C1(QT‾) $a(x,t)\in C^{1}(\overline{Q_{T}})$ is degenerate on the boundary ∂Ω, not only the uniqueness of weak solution is ...
Huashui Zhan
doaj   +2 more sources

Convergence analysis for double phase obstacle problems with multivalued convection term

open access: yesAdvances in Nonlinear Analysis, 2020
In the present paper, we introduce a family of the approximating problems corresponding to an elliptic obstacle problem with a double phase phenomena and a multivalued reaction convection term.
Zeng Shengda   +3 more
doaj   +2 more sources

DStreaM: A Convective Term Approximation Approach That Corresponds to Pure Convection

open access: yesMathematics
In recent decades, considerable effort has been devoted to developing higher-order schemes for the discretization of convective terms that are both stable and reliable.
Kiril Shterev
doaj   +2 more sources

On a Singular Robin Problem with Convection Terms [PDF]

open access: yesAdvanced Nonlinear Studies, 2020
Abstract In this paper, the existence of smooth positive solutions to a Robin boundary-value problem with non-homogeneous differential operator and reaction given by a nonlinear convection term plus a singular one is established.
Guarnotta U., Marano S. A., Motreanu D.
openaire   +4 more sources

Influence of Convection Term on Temperature Field during Soil Freezing

open access: yesBuildings, 2022
In recent years, the numerical model of frozen soil has mainly focused on the water-heat equation of unsaturated soil, which is of great significance to predicting engineering stability in frozen soil areas.
Yingmei Wang   +3 more
doaj   +1 more source

Symmetry of Equations with Convection Terms [PDF]

open access: yesJournal of Nonlinear Mathematical Physics, 1997
Summary: We study symmetry properties of the heat equation with convection term (the equation of convection diffusion) and the Schrödinger equation with convection term. We also investigate the symmetry of systems of these equations with additional conditions for potentials. The obtained results are applied to the construction of exact solutions of the
Fushchych, W. I., Symenoh, Z. I.
openaire   +2 more sources

Quasilinear Dirichlet Problems with Degenerated p-Laplacian and Convection Term

open access: yesMathematics, 2021
The paper develops a sub-supersolution approach for quasilinear elliptic equations driven by degenerated p-Laplacian and containing a convection term.
Dumitru Motreanu, Elisabetta Tornatore
doaj   +1 more source

(p(x),q(x))-Kirchhoff-Type Problems Involving Logarithmic Nonlinearity with Variable Exponent and Convection Term

open access: yesFractal and Fractional, 2022
In the present article, we study a class of Kirchhoff-type equations driven by the (p(x),q(x))-Laplacian. Due to the lack of a variational structure, ellipticity, and monotonicity, the well-known variational methods are not applicable.
Weichun Bu   +3 more
doaj   +1 more source

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