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The Galerkin Method for Solving Strongly Nonlinear Oscillators [PDF]

open access: yesThe Scientific World Journal, 2022
In this paper, we make use of the Galerkin method for solving nonlinear second-order ODEs that are related to some strongly nonlinear oscillators arising in physics and engineering. We derive the iterative schemes for finding the coefficients that appear
Alvaro H. S. Salas
doaj   +2 more sources

The Dual Characteristic-Galerkin Method

open access: yesComptes Rendus. Mathématique
The Dual Characteristic-Galerkin method (DCGM) is conservative, precise and experimentally positive. We present the method and prove convergence and $L^2$-stability in the case of Neumann boundary conditions. In a 2D numerical finite element setting (FEM)
Hecht, Frédéric, Pironneau, Olivier
doaj   +3 more sources

Galerkin-finite difference method for fractional parabolic partial differential equations [PDF]

open access: yesMethodsX
The fractional form of the classical diffusion equation embodies the super-diffusive and sub-diffusive characteristics of any flow, depending on the fractional order. This study aims to approximate the solution of parabolic partial differential equations
Md. Shorif Hossan   +2 more
doaj   +2 more sources

Parametric Problems in Power System Analysis: Recent Applications of Polynomial Approximation Based on Galerkin Method

open access: yesJournal of Modern Power Systems and Clean Energy, 2021
In power systems, there are many uncertainty factors such as power outputs of distributed generations and fluctuations of loads. It is very beneficial to power system analysis to acquire an explicit function describing the relationship between these ...
Hao Wu   +5 more
doaj   +1 more source

Equivalence Between DFR Method and DG Method for Solving Parabolic Equation and Convection-diffusion Equation

open access: yesJournal of Harbin University of Science and Technology, 2022
The equivalence between direct flux reconstruction method and discontinuous Galerkin method for solving parabolic equation and convection-diffusion equation is studied.
BI Hui, LIU Lei
doaj   +1 more source

Validity of Galerkin Method at Beam’s Nonlinear Vibrations of the Single Mode with the Initial Curvature

open access: yesBuildings, 2023
A common strategy for studying the nonlinear vibrations of beams is to discretize the nonlinear partial differential equation into a nonlinear ordinary differential equation or equations through the Galerkin method.
Yunbo Zhang, Kun Huang, Wei Xu
doaj   +1 more source

Numerical Solution of Non-Linear Prey-Predator System using Finite Elements Method [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2007
A non-linear prey-predator system solved numerically by Galerkin method, and we compare these results with the results of Pius Peter Nyaanga[6] who used finite difference methods, we found that Galerkin finite elements method is faster than finite ...
Saad Manaa, Ahmed Qasem
doaj   +1 more source

On Galerkin difference methods [PDF]

open access: yesJournal of Computational Physics, 2016
Energy-stable difference methods for hyperbolic initial-boundary value problems are constructed using a Galerkin framework. The underlying basis functions are Lagrange functions associated with continuous piecewise polynomial approximation on a computational grid.
Thomas Hagstrom, Jeffrey W. Banks
openaire   +2 more sources

A test of the Source Galerkin method [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 2003
Talk presented at LATTICE2002, 3 pages, 2 ...
P. Emirdag, D. Petrov, Gerald Guralnik
openaire   +3 more sources

On discontinuous Galerkin methods

open access: yesInternational Journal for Numerical Methods in Engineering, 2003
AbstractDiscontinuous Galerkin methods have received considerable attention in recent years for problems in which advection and diffusion terms are present. Several alternatives for treating the diffusion and advective fluxes have been introduced. This report summarizes some of the methods that have been proposed.Several numerical examples are included
O. C. Zienkiewicz   +5 more
openaire   +6 more sources

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