Elasto-plastic
Enriched elasto-plastic beam model
... the plastic analysis of the torsion of a beam was ...the elasto-plastic problem and to calculate a plastic torque thanks to the sand-heap ...the plastic torque have then been developed ...
193
Thermo-elasto-plastic simulations of femtosecond laser-induced multiple-cavity in fused silica
... To understand the physical processes taking place during the heated volume relaxation, in the particular case of tightly focused beams, a thermo-elasto-plastic model has been recently implemented in a ...
9
Curvature of an elasto-plastic strip at finite strains : application to fast simulation of coils
... irreversible plastic deformations causing the evolution of residual stresses during the coiling ...an elasto-plastic behavior with isotropic hardening in order to evaluate residual ...
15
An elasto-plastic self-consistent model for damaged polycrystalline materials: Theoretical formulation and numerical implementation
... Abstract Elasto-plastic multiscale approaches are known to be suitable to model the mechanical behavior of metallic materials during forming ...strain elasto- plastic self-consistent model for ...
59
Failure of elasto-plastic porous materials due to void shape effects and void growth
... Failure of elasto-plastic porous materials due to void shape effects and void growth K. Danas a , P. Ponte Casta˜ neda b,c a. Laboratoire de M´ecanique des Solides, Ecole Polytechnique, 91128, PALAISEAU, ...
5
Degenerate Dirichlet Problems Related to the Ergodic Property of an Elasto-Plastic Oscillator Excited by a Filtered White Noise
... References [1] A. Bensoussan, J. Turi, Degenerate Dirichlet Problems Related to the Invariant Measure of Elasto-Plastic Oscillators, Applied Mathematics and Optimization, 58(1) (2008), 1–27. [2] A. ...
47
Multiscale modeling of the elasto-plastic behavior of architectured and nanostructured Cu-Nb composite wires and comparison with neutron diffraction experiments
... • Similarly, for the PH2-β model at scale H2, the behavior of the H1 zone and of the Cu-1 surrounding matrix are provided to the β1- model (random mix of Cu-0 and Nb grains) and β0-model (agregate of Cu-1 grains) ...
31
Thermally-activated hardening recovery of thermo-elasto-plastic metals during annealing: constitutive modeling for the simulation of welding process
... the elasto-plastic properties are assumed to be temperature- independent in the present model, which may not be the case in reality, the dynamic recovery conditions are not ideal for the identification of ...
64
Penalization of a stochastic variational inequality modeling an elasto-plastic problem with noise
... of Elasto-Plastic Oscillators, AMO, 2008, it has been shown that the solution of a stochastic variational inequality modeling an elasto-plastic oscillator excited by a white noise has a unique ...
20
Stiction failure in microswitches due to elasto-plastic adhesive contact and cyclic loading
... Within this formalism, the cyclic loading and accommodation effects can be taken into account, as represented on the picture, which shows the non-dimensional force vs. separation distance of two rough surfaces after ...
2
A two yielding surface elasto-plastic model with consideration of grain breakage
... Surface Elasto-Plastic Model with Consideration of Grain Breakage Hu Wei, Dano Christophe, Pierre-Yves Hicher Research Institute in Civil and Mechanical Engineering, UMR CNRS 6183, Ecole Centrale de Nantes, ...
9
Cyclic behavior of elasto-plastic porous materials subjected to triaxial loading conditions
... Résumé — This work proposes an analysis of the effect of cyclic loading of elasto-plastic porous ma- terials upon the microstructure evolution and possible failure of the material due to low cycle fatigue. ...
9
Anisotropic elasto-plastic finite element analysis using a stress-strain interpolation method based on a polycrystalline model
... Introduction Plastic anisotropy is considered as an essential feature to provide accurate finite element (FE) predictions of metal forming ...anisotropic elasto-plastic FE code the effect of ...
25
Numerical implementation of an elasto-plastic model based on the MSDPu multiaxial criterion
... Title: Numerical implementation of an elasto-plastic model based on the MSDPu multiaxial criterion.. Auteurs:.[r] ...
36
A combined incremental-secant mean-field homogenization scheme with per-phase residual strains for elasto-plastic composites
... for elasto–plastic ...the plastic residual strains, are piece-wise continuous, removing a major assumption in the variational approach pro- posed by Brassart et ...
47
Modeling of 1D wave propagation in nonlinear soils using the elasto-plastic Iwan model by four numerical schemes
... the elasto-plastic Iwan model (Iwan, 1967) into numerical schemes based on finite-difference, finite element, spectral element and discontinuous Galerkin methods, and results based on test numerical ...
2
A micromechanical inspired model for the coupled to damage elasto-plastic behavior of geomaterials under compression
... Starting from low-scale mechanical properties of micro-cracked elastic materials taking into account the closed cracks friction between its lips we propose a phenomenological model with an associative ...
28
A micromechanical inspired model for the coupled to damage elasto-plastic behavior of geomaterials under compression
... The paper is organized as follows. In Section 2 we con- sider the elasto-plastic model without damage. Presenting first the general ingredients of an associative plasticity law, we progressively re fine the ...
17
A comparison of displacement-based Timoshenko multi-fiber beams finite element formulations and elasto-plastic applications
... FCQ element is chosen in order to study its performance. The article is organised as follows: in the first section, the main equations of the Timoshenko beam theory are recalled as well as the general form of the ...
28
Elasto-Plastic Analysis of Bonded Joints with Macro-Elements
... BBa and BBe elements were previously developed [12, 13, 15]. Nevertheless, they do not take into account the shear stress in the adherends. The first part of the paper is then dedicated to the detailed presentation of ...
64