Results 21 to 30 of about 1,091,187 (280)

Convergence of Adaptive Finite Element Methods [PDF]

open access: yes, 2002
Adaptive finite element methods (FEMs) have been widely used in applications for over 20 years now. In practice, they converge starting from coarse grids, although no mathematical theory has been able to prove this assertion.
Morin, Pedro   +2 more
core   +1 more source

Finite element analysis of the seepage problem in the dam body and foundation based on the Galerkin’s approach

open access: yesEuropean Mechanical Science, 2022
In this study, the 2D steady-state seepage analysis of the dam body and its base is investigated using the finite element method based on the Galerkin’s approach.
Timuçin Alp Aslan, Beytullah Temel
doaj   +1 more source

Discontinuous hp-Finite Element Methods for Advection-Diffusion Problems [PDF]

open access: yes, 2000
We consider the hp-version of the discontinuous Galerkin finite element method for second-order partial differential equations with nonnegative characteristic form.
Houston, P.   +2 more
core   +1 more source

Accurate gradient computations at interfaces using finite element methods

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2017
New finite element methods are proposed for elliptic interface problems in one and two dimensions. The main motivation is to get not only an accurate solution, but also an accurate first order derivative at the interface (from each side).
Qin Fangfang   +3 more
doaj   +1 more source

Multi-Electrode Architecture Modeling and Optimization for Homogeneous Electroporation of Large Volumes of Tissue

open access: yesEnergies, 2021
Electroporation is a phenomenon that consists of increasing the permeability of the cell membrane by means of high-intensity electric field application.
Borja López-Alonso   +4 more
doaj   +1 more source

The Analysis Slope Stability Reservoir Keuliling with Finite Element Methods

open access: yesJurnal Teknik Sipil, 2011
Keruntuhan timbunan tanggul dapat menyebabkan tidak stabilnya lereng baik dihulu maupun di hilir. Keruntuhan permukaan lereng terjadi karena aliran air di dalam tubuh bendung dan tanah pondasi.
Abdul Jalil
doaj   +3 more sources

Thermal energy storage in combined cycle power plants: comparing finite volume to finite element methods [PDF]

open access: yesE3S Web of Conferences, 2019
The research in thermal energy storage (TES) systems has a long track record. However, there are several technical challenges that need to be overcome, to become omnipresent and reach their full potential. These include performance, physical size, weight
Gkoutzamanis Vasilis G.   +3 more
doaj   +1 more source

A Confined Flow over a Cylinder by the Finite Element and the Finite Difference Methods [PDF]

open access: yesEngineering and Technology Journal, 2011
The Finite element and the finite difference methods were applied to a confined flow over a cylinder. The values of velocity potential (F), the stream function (Y) and the velocity distribution are calculated by using a computer programs achieved by the ...
Ahlam Sadir Mohammed
doaj   +1 more source

Mixed finite elements for numerical weather prediction

open access: yes, 2012
We show how two-dimensional mixed finite element methods that satisfy the conditions of finite element exterior calculus can be used for the horizontal discretisation of dynamical cores for numerical weather prediction on pseudo-uniform grids.
Arakawa   +29 more
core   +1 more source

Functional Connectivity Linked to Cognitive Recovery After Minor Stroke

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Patients with minor stroke exhibit slowed processing speed and generalized alterations in functional connectivity involving frontoparietal cortex (FPC). The pattern of connectivity evolves over time. In this study, we examine the relationship of functional connectivity patterns to cognitive performance, to determine ...
Vrishab Commuri   +7 more
wiley   +1 more source

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