Results 21 to 30 of about 22,714,121 (232)

Two-phase nanofluid model and magnetic field effects on mixed convection in a lid-driven cavity containing heated triangular wall

open access: yesAlexandria Engineering Journal, 2020
The current numerical study looked into the magneto-hydrodynamics mixed convection of nanofluid in a lid-driven square cavity subjected to heating by a triangular thick wall. The nanofluid heat transfer was modelled by using a two-phase Buongiorno model,
Ammar I. Alsabery   +3 more
doaj   +1 more source

Integration of Electromagnetic Geophysics Forward Simulation in Coupled Flow and Geomechanics for Monitoring a Gas Hydrate Deposit Located in the Ulleung Basin, East Sea, Korea

open access: yesEnergies, 2022
We investigate the feasibility of electromagnetic (EM) geophysics methods to detect the dissociation of gas hydrate specifically from a gas hydrate deposit located in the Ulleung Basin, East Sea, Korea via an integrated flow-geomechanics-EM geophysics ...
Hyun Chul Yoon   +3 more
doaj   +1 more source

Coupled mixed finite element and finite volume methods for a solid velocity-based model of multidimensional sedimentation [PDF]

open access: yesESAIM: Mathematical Modelling and Numerical Analysis, 2023
In this paper we introduce and analyze a model of sedimentation based on a solid velocity formulation. A particular feature of the governing equations is given by the fact that the velocity field is non-divergence free. We introduce extra variables such as the pseudostress tensor relating the velocity gradient with the pressure, thus leading to a mixed
Julio Careaga, Gabriel N. Gatica
openaire   +2 more sources

Mixed convection in a single walled carbon nanotu be water nanofluid filled partially heated triangu

open access: yesJournal of Thermal Engineering, 2020
In this study, mixed convection of nanofluid filled triangular cavity with a partial heater and having an elastic bottom wall is analyzed with finite element method.
Fatih SELİMEFENDİGİL, Hakan F. ÖZTOP
doaj   +1 more source

A Novel Robust Strategy for Discontinuous Galerkin Methods in Computational Fluid Mechanics: Why? When? What? Where?

open access: yesFrontiers in Physics, 2021
In this paper we will review a recent emerging paradigm shift in the construction and analysis of high order Discontinuous Galerkin methods applied to approximate solutions of hyperbolic or mixed hyperbolic-parabolic partial differential equations (PDEs)
Gregor J. Gassner, Andrew R. Winters
doaj   +1 more source

Numerical Simulation of Pollutant Transport in Fractured Vuggy Porous Karstic Aquifers

open access: yesJournal of Applied Mathematics, 2011
This paper begins with presenting a mathematical model for contaminant transport in the fractured vuggy porous media of a species of contaminant (PCP). Two phases are numerically simulated for a process of contaminant and clean water infiltrated in the ...
Xiaolin Fan   +3 more
doaj   +1 more source

Computation of the normal vector to a free surface by a finite element – finite volume mixed method

open access: yesComptes Rendus. Mathématique, 2006
In volume tracking finite volume schemes for free surface flows, the reconstruction of the interface and the computation of surface tension effects require an accurate approximation of the normal vector to the interface. A numerical method for the computation of the normal vector is presented here, based on a finite element approach. We use projections
Caboussat, Alexandre   +2 more
openaire   +1 more source

Numerical Solution of Burgers’ Equation Based on Mixed Finite Volume Element Methods

open access: yesDiscrete Dynamics in Nature and Society, 2020
In this article, mixed finite volume element (MFVE) methods are proposed for solving the numerical solution of Burgers’ equation. By introducing a transfer operator, semidiscrete and fully discrete MFVE schemes are constructed. The existence, uniqueness, and stability analyses for semidiscrete and fully discrete MFVE schemes are given in detail.
Jie Zhao, Hong Li, Zhichao Fang, Xue Bai
openaire   +3 more sources

Influence of the Periodicity of Sinusoidal Boundary Condition on the Unsteady Mixed Convection within a Square Enclosure Using an Ag–Water Nanofluid

open access: yesEnergies, 2017
A numerical study of the unsteady mixed convection heat transfer characteristics of an Ag–water nanofluid confined within a square shape lid-driven cavity has been carried out. The Galerkin weighted residual of the finite element method has been employed
Azharul Karim   +3 more
doaj   +1 more source

MHD mixed convection and entropy generation of CNT-water nanofluid in a wavy lid-driven porous enclosure at different boundary conditions

open access: yesScientific Reports, 2022
In this study, Galerkin Finite Element Method or GFEM is used for the modeling of mixed convection with the entropy generation in wavy lid-driven porous enclosure filled by the CNT-water nanofluid under the magnetic field. Two different cases of boundary
Hameed K. Hamzah   +2 more
doaj   +1 more source

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