A New Iterative Method for Linear Systems from XFEM
, 2020 The extend finite element method (XFEM) is popular in structural mechanics when dealing with the problem of the cracked domains. XFEM ends up with a linear system. However, XFEM usually leads to nonsymmetric and ill-conditioned stiff matrix.
Jianping Zhao +3 more
core
A posteriori error analysis for Poisson's equation approximated by XFEM
, 2009 International audienceThis paper presents and studies a residual a posteriori error estimator for Laplace's equation in two space dimensions approximated by the eXtended Finite Element Method (XFEM). The XFEM allows to perform finite element computations
Renard, Yves +5 more
core +1 more source
Comportement Macroscopique d'un géomatériau linéaire par la méthode XFEM
, 2010 National audienceThis study aims to model the behaviour of geomaterials by a numerical homogenization based (XFEM) method. The XFEM allows to use meshes not necessarily matching the physical surface of the problem while retaining the accuracy of the ...
Belayachi, Naïma +3 more
core +1 more source
Application of the Specified Stress Method to Crack Propagation Analysis in Reinforced Concrete Members. [PDF]
Materials (Basel)Zhang X, Wang J, Yi Z, Zhang T.
europepmc +1 more source
Modelitzacio numérica de discontinuïtats geomecàniques per XFEM
Aquesta tesina es basa en el desenvolupament d’una formulació XFEM que permeti descriure diversos casos d’elements amb discontinuïtats. L’objectiu d’aquest treball és proposar una formulació bàsica en XFEM equivalent a la dels elements junta, que ...
Crusat Codina, Laura
core
A Structural Optimization Method with XFEM and Level Set Models
, 2008 In this paper, we implement the extended finite element method (XFEM) combined with the level set method for solving structure shape and topology optimization problems. The XFEM is implemented for the sensitivity analysis along the boundary to handle the
Wang, Michael Yu, Wei, Peng
core
Application of Local Approaches to Crack Development in Structural Materials. [PDF]
Materials (Basel)Kozák V, Vala J.
europepmc +1 more source
Physically based simulation of heterogeneous deformable models using XFEM
, 2011 This paper addresses the problem of heterogeneous deformable model accuracy using the finite element methods (FEM). Classic FEM uses predefined shape functions for interpolation and does not account easily for regions of discontinuities.
Saeid Nahavandi (13086675) +3 more
core
Design of Microcapsules for Self-Healing Concrete Based on Fracture Modeling of RVE and UC with PBC Using XFEM and CS Technique. [PDF]
Materials (Basel)Hanna J, Drieschner M.
europepmc +1 more source
Comparative Analysis of XFEM and Phase Field Approaches for Fracture Prediction in Flexible Ti-6Al-4V Thoracic Implants. [PDF]
J Funct BiomaterBolaños A +3 more
europepmc +1 more source