Results 21 to 30 of about 13,988,208 (246)

Fracture Modelling of a Cracked Pressurized Cylindrical Structure by Using Extended Iso-Geometric Analysis (X-IGA)

open access: yesMathematics, 2021
In this study, a NURBS basis function-based extended iso-geometric analysis (X-IGA) has been implemented to simulate a two-dimensional crack in a pipe under uniform pressure using MATLAB code.
Soufiane Montassir   +4 more
doaj   +1 more source

Finite element method using vector finite elements applied to eddy current problems [PDF]

open access: yes, 2011
Vector fields found in electromagnetics are fundamentally different to vector fields found in other research areas such as structural mechanics. Electromagnetic vector fields possess different physical behaviour patterns and different properties in ...
Adams, Leila
core   +1 more source

A molecular dynamics/extended finite element method for dynamic crack propagation

open access: yesVietnam Journal of Mechanics, 2008
A multiscale method is presented which couples a molecular dynamics approach for describing fracture at the crack tip with an extended finite element method for discretizing the remainder of the domain.
Pascal Aubertin   +2 more
doaj   +1 more source

An extended HDG finite element method for convection-diffusion-reaction equation interface problems

open access: yes四川大学学报. 自然科学版, 2023
This paper proposes an extended hybridizable discontinuous Galerkin (HDG) finite element for the 2D and 3D convection-diffusion-reaction equation interface problems on body-unfitted meshes. This finite element uses piecewise polynomials of degrees k (k≥1)
WANG Hui-Yuan, CHEN Yu-Mei
doaj  

Stefan Problem through Extended Finite Elements: Review and Further Investigations

open access: yesAlgorithms, 2009
A general review of the extended finite element method and its application to the simulation of first-order phase transitions is provided. Detailed numerical investigations are then performed by focusing on the one-dimensional case and studying: (i ...
Luca Salvatori, Niccolò Tosi
doaj   +1 more source

Computational analysis of contamination in Kojima Lake using upwind-type finite element method [PDF]

open access: yes, 1998
We have computed the phase of spreading contaminations in Kojima Lake by using the upwind-type finite element method. We have treated the two cases: the pollutant flows from the Sasagase river and from the Kurashiki River.
Sasaki, Toru   +2 more
core   +1 more source

A fully coupled finite element framework for thermal fracturing simulation in subsurface cold CO2 injection

open access: yesPetroleum, 2018
Thermal fracturing could occur during cold CO2 injection into subsurface warm rock formations. It can be seen in a variety of fields such as carbon geo-sequestration, unconventional gas development, enhanced oil recovery, geothermal energy extraction ...
Shunde Yin
doaj   +1 more source

Field-enriched finite element method for numerical simulation of initiation, propagation and coalescence of multiple cracks

open access: yesYantu gongcheng xuebao, 2022
The study on the mechanical response and cracking behaviors of brittle rock materials with multiple cracks is of vital significance for the design and stability analysis of rock engineering structures.
ZHOU Xiao-ping , JIA Zhi-ming
doaj   +1 more source

A higher order control volume based finite element method to prodict the deformation of heterogeneous materials [PDF]

open access: yes, 2013
Materials with obvious internal structure can exhibit behaviour, under loading, that cannot be described by classical elasticity. It is therefore important to develop computational tools incorporating appropriate constitutive theories that can capture ...
Wheel, Marcus   +2 more
core   +4 more sources

Interaction Analysis of Non-aligned Cracks Using Extended Finite Element Method

open access: yesLatin American Journal of Solids and Structures
Multiple flaws are frequently occurred in actual components, such as pressure vessels and power plants. These flaws will in some circumstances lead to more severe effects than single flaw alone.
Ali Abbaszadeh Bidokhti   +1 more
doaj   +1 more source

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