[PDF] Top 20 Numerical implementation of the eXtended Finite Element Method for dynamic crack analysis

... concerns the re-meshing methods that are usually used for modeling cracks or other strong dis- continuities in ...classical finite element method (FEM), the geometry is usually ... Voir le document complet

... available for the numerical simulation of crack propaga- tion for complex loadings and ...geometries. The challenge is thus no longer on the feasibility of ... Voir le document complet

... simulate the behaviour of aerospace CAD-based thin structures. The proposed strategy relies on the combined use of the eXtended Finite Element method ... Voir le document complet

... interest of linking the X-FEM with explicit time integrators was clear from the ...mesh the discontinuities on a given discretization, and also to update the geometry and the ... Voir le document complet

... METHOD FOR THE NEUTRON DIFFUSION EIGENPROBLEM WITH HETEROGENEOUS COEFFICIENTS ...first the convergence of the finite element approximation of the ... Voir le document complet

... On the other hand, let us consider the case where the meshes are non-nested, with some ...that the non-nestedness can be described by a finite number of configurations ...when ... Voir le document complet

... of twisted ...geometry, finite elements can loose their efficiency when dealing with evolving boundaries (such as cracks or material interfaces) or very localized phenomena (such as ...Indeed, the ... Voir le document complet

... l=1mm. The minimum mesh size and the length of the refined zone employed with the FFE method are respectively m FFE = m REF ...µm. The MA approach requires the ... Voir le document complet

... The extension of the X-FEM to higher order elements has been widely ...First of all, Stazi and Belytschko [Stazi**], based on the work of Chessa [Chessa**] on the ... Voir le document complet

... the model, related to material properties, loadings or geometry, seems today essential if one seeks to obtain “reliable” numerical predictions, usable in a design process or a ...development of many ... Voir le document complet

... accurately the crack front inside an element. The “numerical front” is always located on an element boundary, whereas the “physical front” can be located inside an ... Voir le document complet

... archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...not. The documents may come from teaching and research institutions in France ... Voir le document complet

... Consider the uniaxial extension of a single edge notched specimen under tensile loading (SET) as presented in Figure ...2mm. The material is assumed to be Neo-Hookean with µ = ...rubber. The ... Voir le document complet

... Mesh The experiment could be repeated for a lot of elements, with varying shapes and relative positions to the crack tip, but in the following we propose what we think is a ... Voir le document complet

... circumvent the above drawbacks. They are based on a reformulation of the problem on a deterministic reference ...[18], the authors introduce a random mapping between the random domain ... Voir le document complet

... and finite element- based studies of two-dimensional beam-type samples with periodic heterogeneities that the latter experimen- tal findings can be explained by the particular proper- ... Voir le document complet

... construction of the local patch. The resulting patch element is an approximation of a larger quadralateral ...at the linear elements contributing to the patch, one can ... Voir le document complet

... Dept. of Electrical Engineering and Computer Science, 2 FNRS, University of Li`ege, Belgium, E-mail: ...Dept. of Electrical Engineering and Computer Science, University of Li`ege, Belgium ... Voir le document complet

... Cavity expansion theory is an improvement compared with bearing capacity theory, in terms of taking soil compressibility into account, simulating the penetration proc[r] ... Voir le document complet

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ... Voir le document complet