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A Comparative Study of Finite Element Method and Hybrid Finite Element Method–Spectral Element Method Approaches Applied to Medium-Frequency Transformers with Foil Windings

open access: yesJ, 2023
This study aims to improve the computational efficiency of the frequency domain analysis of medium-frequency transformers (MFTs) with the presence of large clearance distances and fine foil windings.
Siamak Pourkeivannour   +4 more
doaj   +1 more source

Application of the Double Approximation Method for Constructing Stiffness Matrices of Volumetric Finite Elements

open access: yesAdvanced Engineering Research, 2023
Introduction. When numerically solving problems of elasticity theory in a three-dimensional formulation by the finite element method, finite elements (FE) in the form of parallelepipeds, prisms and tetrahedra are used.
P. P. Gaidzhurov, N. A. Saveleva
doaj   +1 more source

Crack Propagation by Finite Element Method [PDF]

open access: yesFracture and Structural Integrity, 2018
Crack propagation simulation began with the development of the finite element method; the analyses were conducted to obtain a basic understanding of the crack growth.
Luiz Carlos H. Ricardo
doaj   +1 more source

Generating finite element method in constructing complex-shaped multigrid finite elements [PDF]

open access: yesEPJ Web of Conferences, 2019
The calculations of three-dimensional composite bodies based on the finite element method with allowance for their structure and complex shape come down to constructing high-dimension discrete models.
Matveev Aleksandr
doaj   +1 more source

Validity of Finite Element Method: Analysis of Laminated Composite Decks Plates Subjected to in Plane Loading [PDF]

open access: yes, 2019
To verify the accuracy of the present technique, buckling loads are evaluated and validated with other works available in the literature. Further comparisons were carried out and compared with the results obtained by the ANSYS package and experimental ...
Hassan, T. (Tagelsir)   +2 more
core   +1 more source

Review on finite element method

open access: yesJournal of Applied Sciences and Environmental Management, 2017
In this work, we have discussed what Finite Element Method (FEM) is, its historical development, advantages and its future. The eventual intension of using FEM is to determine the nodal solution of a particular problem under study.
I.D. Erhunmwun, U.B. Ikponmwosa
doaj   +1 more source

Stable Generalized Finite Element Method (SGFEM) [PDF]

open access: yes, 2011
The Generalized Finite Element Method (GFEM) is a Partition of Unity Method (PUM), where the trial space of standard Finite Element Method (FEM) is augmented with non-polynomial shape functions with compact support.
Babuška   +45 more
core   +3 more sources

Dilaceration: 3D analysis using finite element method [PDF]

open access: yesIranian Journal of Orthodontics, 2007
Aim: Bent root forms are always a challenging point in an orthodontic treatment. The main aim of this study has been to assess the stress effects of a dilaceration in apical third of an upper central incisor in orthodontic movement.Materials and Methods:
Allahyar Geramy, Hannane Ghadirian
doaj   +1 more source

Finite Element Method: An Overview

open access: yesWalailak Journal of Science and Technology, 2013
The finite element method (FEM) is a numerical analysis technique for obtaining approximate solutions to a wide variety of engineering problems. A finite element model of a problem gives a piecewise approximation to the governing equations.
Vishal JAGOTA   +2 more
doaj   +1 more source

A multi-point constraint unfitted finite element method

open access: yesAdvanced Modeling and Simulation in Engineering Sciences, 2022
In this work a multi-point constraint unfitted finite element method for the solution of the Poisson equation is presented. Key features of the approach are the strong enforcement of essential boundary, and interface conditions.
Brubeck Lee Freeman
doaj   +1 more source

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