Results 51 to 60 of about 102,961 (219)

Distribución del potencial electrostático en una placa cuadrada utilizando el método de elementos finitos

open access: yesTecnoLógicas, 2008
This paper presents the solution to the problem of the distribution of the electrostatic potential in a square plate by means of the Finite Elements Method (FEM).
Jairo Madrigal-Argáez   +2 more
doaj  

Re-iterated approximation methods for nonlinear Volterra integral equations

open access: yesMathematical Modelling and Analysis
In this article, the Newton-iteration scheme based upon iterated Galerkin operator is applied for solving non-linear Volterra Urysohn integral equations of the second kind for smooth and weakly singular kernels. A one step of improvement by iteration to
Samiran Chakraborty   +3 more
doaj   +1 more source

Stability-preserving model order reduction for linear stochastic Galerkin systems

open access: yesJournal of Mathematics in Industry, 2019
Mathematical modeling often yields linear dynamical systems in science and engineering. We change physical parameters of the system into random variables to perform an uncertainty quantification.
Roland Pulch
doaj   +1 more source

An h-Adaptive Poly-Sinc-Based Local Discontinuous Galerkin Method for Elliptic Partial Differential Equations

open access: yesAxioms, 2023
For the purpose of solving elliptic partial differential equations, we suggest a new approach using an h-adaptive local discontinuous Galerkin approximation based on Sinc points.
Omar A. Khalil, Gerd Baumann
doaj   +1 more source

A highly accurate numerical method for solving boundary value problem of generalized Bagley‐Torvik equation

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
A highly accurate numerical method is given for the solution of boundary value problem of generalized Bagley‐Torvik (BgT) equation with Caputo derivative of order 0<β<2$$ 0<\beta <2 $$ by using the collocation‐shooting method (C‐SM). The collocation solution is constructed in the space Sm+1(1)$$ {S}_{m+1}^{(1)} $$ as piecewise polynomials of degree at ...
Suzan Cival Buranay   +2 more
wiley   +1 more source

Aplicación del método Petrov-galerkin como técnica para la estabilización de la solución en problemas unidimensionales de convección-difusión-reacción

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2009
El presente artículo estudia el método Streamline Upwind Petrov Galerkin como técnica de estabilización de la solución numérica de las ecuaciones diferenciales de advección-difusión-reacción; se analiza el método a la luz de la naturaleza no auto adjunta
Diego Alexander Garzón Alvarado   +2 more
doaj  

Contraction and optimality properties of an adaptive Legendre-Galerkin method: the multi-dimensional case

open access: yes, 2014
We analyze the theoretical properties of an adaptive Legendre-Galerkin method in the multidimensional case. After the recent investigations for Fourier-Galerkin methods in a periodic box and for Legendre-Galerkin methods in the one dimensional setting ...
Canuto, Claudio   +2 more
core   +1 more source

Weak Solutions for a Class of Nonlocal Singular Problems Over the Nehari Manifold

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT In this paper, we consider a nonlocal model of dilatant non‐Newtonian fluid with a Dirichlet boundary condition. By using the Nehari manifold and fibering map methods, we obtain the existence of at least two weak solutions, with sign information.
Zhenfeng Zhang   +2 more
wiley   +1 more source

Comparación del método de líneas características y el método Petrov Galerkin en contracorriente para problemas de advección dominante

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2010
El presente artículo desarrolla numéricamente el problema de la ecuación diferencial de difusión-advección, empleando el método de Galerkin sobre líneas características y el método de Petrov-Galerkin en contracorriente (SUPG).
Carlos Humberto Galeano   +2 more
doaj  

Combining the DPG method with finite elements

open access: yes, 2017
We propose and analyze a discretization scheme that combines the discontinuous Petrov-Galerkin and finite element methods. The underlying model problem is of general diffusion-advection-reaction type on bounded domains, with decomposition into two sub ...
Führer, Thomas   +3 more
core   +1 more source

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