XI International Conference on Computational Plasticity: fundamentals and applications (COMPLAS 2011), Barcelona, 7-9 September, 2011
Proceedings of the XI International Conference on Computational Plasticity - Fundamentals and Applications
Held in Barcelona, Spain, 7-9 September 2011
A publication of:
International Center for Numerical Methods in Engineering (CIMNE) Barcelona, Spain
E. Oñate, D.R.J. Owen, D. Peric and M. Chiumenti (Eds.)
© The authors
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Multi-surface description of temperature and strain rate-dependent damage initiation and growth in ductile viscoplastic materials
(2011)
Text en actes de congrés
Accés obertA phenomenological modelling approach has been developed, based on some salient physical effects regarding void growth vs. plastic straining, to describe the transition behaviour between dense metal plasticity and micro-porous ... -
A method of two-scale chemo-thermal-mechanical coupling for concrete
(2011)
Text en actes de congrés
Accés obertThe Alkali Silica Reaction(ASR) is one of the most important reasons to cause damage in cementitious constructions, which can be attributed to the expansion of hydrophilic gel produced in the reaction. In this contribution, ... -
The influence of load misalignment on frp-concrete bond behaviour, a numerical study
(2011)
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Accés obertVarious authors have used pure shear test models in order to describe the bond between FRP and concrete. However, considerable dispersion of the parameters which characterize the bond behaviour has been found. In pure shear ... -
Meso-macro numerical approach to macroscopic permeability of fractured concrete – COMPLAS XI
(2011)
Text en actes de congrés
Accés obertIn this paper, a sequential multi-scale framework to solve mass (air or water) transfer problems is described. Numerical results are checked against mechanical and permeation experimental datas from a reinforced concrete ... -
High temperature effects in mortar and concrete specimens using a meso-mechanical model with fracture based zero-thickness interface elements
(2011)
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Accés obertThis paper describes recent numerical simulation results of a purely mechanical study of the effects of high temperature in mortar and concrete. The material has been considered as a two-phase composite, with different ... -
An elasto-plastic damage model for concrete
(2011)
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Accés obertConstitutive modeling of concrete using continuum damage mechanics and plasticity theory is presented in this work. In order to derive the constitutive equations the strain equivalence hypothesis is adopted. Menetrey-William ... -
Towards the effective behaviour of polycrystalline microstructures at finite strains
(2011)
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Accés obertIt is well known that metals behave anisotropically on their microstructure due to their crystalline nature. FE-simulations in the metal forming field however sometimes lack the right macroscopic anisotropies as their type ... -
Time-dependent mesoscopic modelling of masonry using embedded weak discontinuities
(2011)
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Accés obertIn this contribution, a rate-dependent mesoscopic masonry model is presented in which the mortar joints are incorporated by embedded weak discontinuities based on partitions of unity. Within the discontinuities, both an ... -
Simulation of DP-steels based on statistically similar representative volume elements and 3D EBSD data
(2011)
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Accés obertMicrographs of a dual-phase steel obtained from a EBSD-FIB imaging are analyzed with respect to a set of statistical measures. Then the applicability of this data to the construction of statistically similar representative ... -
Pore-space controlled hardening model in plasticity of porous materials: application to the analysis of indentation experiments
(2011)
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Accés obertBased on a multi-scale approach comprising a multi-scale material model and a respective finite-element (FE) analysis tool, the indentation response of porous materials is examined in this paper. The considered material is ... -
Multi-scale failure for heterogeneous materials: link with morphological modeling – COMPLAS XI
(2011)
Text en actes de congrés
Accés obertA 3D meso-scale model for failure of heterogeneous quasi-brittle materials is presented. At such scale, concrete can be represented as an heterogenous material with two phases, where aggregates are included within the ... -
Hydro-mechanical modeling of two-phase fluid flow in deforming, partially saturated porous media with propagating cohesive cracks using the extended finite element method
(2011)
Text en actes de congrés
Accés obertIn the present paper, a fully coupled numerical model is developed for the hydromechanical analysis of deforming, progressively fracturing porous media interacting with the flow of two immiscible, compressible wetting and ...
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