Results 91 to 100 of about 35,295 (208)

Locking‐free DGFEM for elasticity problems in polygons [PDF]

open access: yes, 2017
The h‐version of the discontinuous Galerkin finite element method (h‐DGFEM) for nearly incompressible linear elasticity problems in polygons is analysed.
Wihler, Thomas P.
core  

A New Method Based on Laplace Transform and Its Application to Stability of Pipe Conveying Fluid

open access: yesShock and Vibration, 2017
A new differential transformation method is developed in this paper and is applied for free vibration problem of pipes conveying fluid. The natural frequencies, critical flow velocities, and vibration mode functions of such pipes with several typical ...
H. B. Wen   +4 more
doaj   +1 more source

Finite element computation of a viscous compressible free shear flow governed by the time dependent Navier-Stokes equations [PDF]

open access: yes
A finite element algorithm for solution of fluid flow problems characterized by the two-dimensional compressible Navier-Stokes equations was developed.
Blanchard, D. K., Cooke, C. H.
core   +1 more source

Variational Multiscale Element Free Galerkin Method Coupled with Low-Pass Filter for Burgers’ Equation with Small Diffusion

open access: yesAdvances in Mathematical Physics, 2016
Variational multiscale element free Galerkin (VMEFG) method is applied to Burgers’ equation. It can be found that, for the very small diffusivity coefficients, VMEFG method still suffers from instability in the presence of boundary or interior layers. In
Ping Zhang, Xiaohua Zhang, Laizhong Song
doaj   +1 more source

A Space-Time Discontinuous Galerkin Trefftz Method for time dependent Maxwell's equations

open access: yes, 2014
We consider the discretization of electromagnetic wave propagation problems by a discontinuous Galerkin Method based on Trefftz polynomials. This method fits into an abstract framework for space-time discontinuous Galerkin methods for which we can prove ...
Egger, Herbert   +3 more
core  

A Comparative Study on Stabilized Finite Element Methods for the Convection-Diffusion-Reaction Problems

open access: yesJournal of Applied Mathematics, 2018
The disproportionality in the problem parameters of the convection-diffusion-reaction equation may lead to the formation of layer structures in some parts of the problem domain which are difficult to resolve by the standard numerical algorithms ...
Ali Sendur
doaj   +1 more source

Mode I crack problems by coupled fractal finite element and meshfree method

open access: yesComputer Assisted Methods in Engineering and Science, 2017
This paper presents a coupling technique for integrating the fractal finite element method (FFEM) with element-free Galerkin method (EFGM) for analyzing homogeneous, isotropic, and two-dimensional linearelastic cracked structures subjected to Mode I ...
B. N. Rao, K. N. Rajesh
doaj  

Geometrically Nonlinear Analysis of Composite Beams Based Using a Space–Time Finite Element Method

open access: yesAerospace
In this paper, we present a transient-format time-continuous Galerkin finite element method for fully intrinsic geometrically exact beam equations that are energy-consistent.
Xin Hu, Lidao Chen, Yong Liu
doaj   +1 more source

Element Free Galerkin Method for Three-dimensional Structural Analysis

open access: yesComputer Modeling in Engineering & Sciences, 2001
An Element Free Galerkin Method is developed for the analysis of three-dimensional structures. A highly accurate and reliable relation between the number of the quadrature orders nQ and nodes in a three-dimensional cell nc, nQ ≥ 3√nc + 3, is established to accomplish the required integral calculation in the cell.
Chen, Wen-Hwa, Guo, Xhu-Ming
openaire   +2 more sources

An embedded--hybridized discontinuous Galerkin finite element method for the Stokes equations

open access: yes, 2019
We present and analyze a new embedded--hybridized discontinuous Galerkin finite element method for the Stokes problem. The method has the attractive properties of full hybridized methods, namely an $H({\rm div})$-conforming velocity field, pointwise ...
Rhebergen, Sander, Wells, Garth N.
core  

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