[PDF] Top 20 Strain localization analysis using a large deformation anisotropic elastic-plastic model coupled with damage
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Strain localization analysis using a large deformation anisotropic elastic-plastic model coupled with damage
... the strain range before localization. 2.1. Anisotropic elastic-plastic model coupled with damage Continuum damage mechanics was first introduced by ... Voir le document complet
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Strain localization analysis using a large deformation anisotropic elastic-plastic model coupled with damage
... same damage model and the parameters from Table 2 are used with either the Teodosiu or Armstrong-Frederick-Swift (AFS) hardening ...tensile strain), the stress-strain curves almost ... Voir le document complet
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Prediction of necking in thin sheet metals using an elastic‒plastic model coupled with ductile damage and bifurcation criteria
... the large strain framework, the use of objective derivatives for the tensorial variables is required in order to ensure the incremental objectivity of the ...to a small-strain ...associated ... Voir le document complet
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Strain localization analysis using a multiscale model
... inclination with respect to rolling direction is found to be ...gives a direct relation between the angle and the principal strain ...[22] using both an analytical formulation and an ... Voir le document complet
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Anisotropic elasto-plastic finite element analysis using a stress-strain interpolation method based on a polycrystalline model
... Taylor model appear if all the components of the crystal velocity gradient are not constrained to be equal to the macroscopic ones (see Van Houtte et ...the analysis of some different ...been coupled ... Voir le document complet
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A micromechanical inspired model for the coupled to damage elasto-plastic behavior of geomaterials under compression
... elasto-plastic coupled behavior is interpreted on a lower scale as the consequence of the presence of microcracks inside the ...compression, a part or all of those cracks are closed and ... Voir le document complet
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Finite element prediction of sheet forming defects using elastic-plastic, damage and localization models
... like strain localization and springback are some of the current challenges in this research ...on a rich and complete constitutive modeling. An anisotropic, elastic-plastic ... Voir le document complet
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Application of the continuum shell finite element SHB8PS to sheet forming simulation using an extended large strain anisotropic elastic–plastic formulation
... for elastic–plastic stability applications [28; ...(Abaqus/Standard) using the User Element subroutine UEL and coupled with a general, anisotropic ... Voir le document complet
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Prediction of strain localization in sheet metal forming using elastoplastic-damage model and localization criterion
... [2] H. Haddadi, S. Bouvier, M. Banu, C. Maier, C. Teodosiu. Towards an accurate description of the anisotropic behaviour of sheet metals under large plastic deformations: Modelling, numerical ... Voir le document complet
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A micromechanical inspired model for the coupled to damage elasto-plastic behavior of geomaterials under compression
... residual plastic strains. Moreover, if one assumes that the sliding with friction between the lips follows Coulomb law, then a Drucker- Prager type criterion for the plasticity law is naturally ...by ... Voir le document complet
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Ductility limit prediction using a GTN damage model coupled with localization bifurcation analysis
... condition. A local, more conservative condition for Hill’s criterion, which is more commonly known as the positiveness of the second-order work, can then be derived for application to material instability ...In ... Voir le document complet
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Strain localization analysis deduced from a large strain elastic-plastic self-consistent model for multiphase steels
... obtained using a model developed by Cayssials [15,16]. This model, commonly used by ArcelorMittal, has proven to be reliable in predicting formability for linear loading ...FLD model ... Voir le document complet
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On the Identification and Validation of an Anisotropic Damage Model Using Full-field Measurements
... of strain fields (Figure ...shear strain maps plotted for the classical tensile test and for the test on a notched sample (Figure ...The strain histograms of the notched sample using ... Voir le document complet
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DAMAGE AND STRAIN LOCALIZATION AROUND A PRESSURIZED SHALLOW-LEVEL MAGMA RESERVOIR
... the deformation process around a shallow pressurized magma reservoir embedded in a damaging elastic volcanic ...Our model allows evidencing the effect of the progressive damage ... Voir le document complet
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Effects of surface roughness on plastic strain localization in polycrystalline aggregates
... on plastic strain localization in polycrystalline aggregates Yoann Guilhem 1,a , Stéphanie Basseville 2 , Henry Proudhon 3 and Georges Cailletaud 3 1 Laboratoire de Mécanique et Technologie, ... Voir le document complet
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Statistical damage localization with stochastic load vectors using multiple mode sets
... beam model In a second numerical application, the damage localization approach has been demonstrated on a 3D cube beam model as shown in Figure 8 , considering a more ... Voir le document complet
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Anisotropic continuum damage model coupled to viscoplasticity for a pressure dependent alveolar bone remodeling law
... as a damage vari- ation ...an anisotropic formulation, using an anisotropic damage vari- ...the anisotropic damage tensor to the fabric ...continuum damage ... Voir le document complet
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Automated and quantitative analysis of plastic strain localization via multi-modal data recombination
... study: a Ti-6Al-4V (Ti64) titanium alloy and Inconel 718 nickel-base ...to a homogenization treatment consisting of 4 h at 926 °C followed by slow cooling at 30 ...area, a (0001)-oriented micro-tex- ... Voir le document complet
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A micromechanical damage model for initially anisotropic materials
... OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. Any correspondence concerning t[r] ... Voir le document complet
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Conditions for elasto-plastic strain localization in unsaturated soils
... inelastic strain localization in soil massifs ...and strain state conditions localization bands initiate and grow in the soil massif ([2], [3], [9], ...the localization bands it is ... Voir le document complet
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