Symmetric Galerkin boundary element methods
M Bonnet, G Maier, C Polizzotto - 1998 - asmedigitalcollection.asme.org
This review article concerns a methodology for solving numerically, for engineering
purposes, boundary and initial-boundary value problems by a peculiar approach …
purposes, boundary and initial-boundary value problems by a peculiar approach …
[HTML][HTML] Gradient plasticity theory with a variable length scale parameter
GZ Voyiadjis, RKA Al-Rub - International Journal of solids and structures, 2005 - Elsevier
The definition and magnitude of the intrinsic length scale are keys to the development of the
gradient plasticity theory that incorporates size effects. However, a fixed value of the material …
gradient plasticity theory that incorporates size effects. However, a fixed value of the material …
Regularization of material instabilities by meshfree approximations with intrinsic length scales
Meshfree approximation, such as Moving Least Square (MLS) and Reproducing Kernel (RK)
approximations, possess intrinsic non‐local properties. These non‐local properties of …
approximations, possess intrinsic non‐local properties. These non‐local properties of …
Computational modelling of gradient‐enhanced damage in quasi‐brittle materials
C Comi - Mechanics of Cohesive‐frictional Materials: An …, 1999 - Wiley Online Library
To avoid the well‐known drawbacks of the classical continuum damage theory when
localization occurs, an isotropic gradient‐enchanced damage model is proposed in which …
localization occurs, an isotropic gradient‐enchanced damage model is proposed in which …
Finite strain logarithmic hyperelasto-plasticity with softening: a strongly non-local implicit gradient framework
MGD Geers - Computer Methods in Applied Mechanics and …, 2004 - Elsevier
This paper addresses the extension of a Eulerian logarithmic finite strain hyperelasto-
plasticity model in order to incorporate an isotropic plastic damage variable that leads to …
plasticity model in order to incorporate an isotropic plastic damage variable that leads to …
Theoretical and computational aspects of a thermodynamically consistent framework for geometrically linear gradient damage
T Liebe, P Steinmann, A Benallal - Computer Methods in Applied …, 2001 - Elsevier
This paper presents the theory and the numerics of an isotropic gradient damage
formulation within a thermodynamical background. The main motivation is provided by …
formulation within a thermodynamical background. The main motivation is provided by …
A regularization framework for damage–plasticity models via gradient enhancement of the free energy
BJ Dimitrijevic, K Hackl - International Journal for Numerical …, 2011 - Wiley Online Library
We present a framework for the regularization of coupled damage–plasticity models through
gradient enhancement of the Helmholtz‐free‐energy function. This enhancement is …
gradient enhancement of the Helmholtz‐free‐energy function. This enhancement is …
Theoretical formulation of a coupled elastic—plastic anisotropic damage model for concrete using the strain energy equivalence concept
GZ Voyiadjis, ZN Taqieddin… - International Journal of …, 2009 - journals.sagepub.com
An anisotropic damage constitutive model for concrete is developed within the framework of
elastoplasticity and continuum damage mechanics. The transformation from the effective …
elastoplasticity and continuum damage mechanics. The transformation from the effective …
Strongly non‐local gradient‐enhanced finite strain elastoplasticity
MGD Geers, R Ubachs… - International Journal for …, 2003 - Wiley Online Library
This paper presents a gradient plasticity formulation developed in a strongly non‐local
format and applicable to ductile failure for finite strain plasticity. The obtained formulation is …
format and applicable to ductile failure for finite strain plasticity. The obtained formulation is …
Objective modeling of strain localization
M Jirásek - Revue française de génie civil, 2002 - Taylor & Francis
This paper provides an elementary introduction into modeling of localized inelastic
processes such as cracking or formation of shear bands. The basic concepts are explained …
processes such as cracking or formation of shear bands. The basic concepts are explained …