Strain localization analysis
Strain localization analysis using a large strain self-consistent approach
... USING A LARGE STRAIN SELF- - CONSISTENT APPROACH CONSISTENT APPROACH G.Franz G.Franz 1 1 , F. , F.Abed Abed- -Meraim Meraim 1 1 , T.Ben Zineb , T.Ben Zineb 2 2 , X.Lemoine , X.Lemoine 3 3 , M.Berveiller , ...
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Strain localization analysis using a large deformation anisotropic elastic-plastic model coupled with damage
... available in Abaqus. Furthermore, it is generally admitted that the particular choice of rotation matrix has little impact within the strain range before localization. 2.1. Anisotropic elastic-plastic ...
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Strain localization analysis deduced from a large strain elastic-plastic self-consistent model for multiphase steels
... Fig. 4. Sequential FLDs for an IF-Ti steel (at left) and for a Dual Phase steel (at right) In Fig. 4, FLDs are plotted with two different pre-strains for the two steels. Only a qualitative comparison can be made since ...
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Strain localization analysis for single crystals and polycrystals: Towards microstructure-ductility linkage
... Another observation from Fig. 19 concerns the non-smoothness of the path followed by the predicted FLD points. In contrast to the smooth nature of FLDs obtained with phenomenological constitutive models, FLDs determined ...
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Strain localization analysis using a large deformation anisotropic elastic-plastic model coupled with damage
... tensile strain), the stress-strain curves almost ...the strain range that is typical for the identifica- tion of the hardening parameters, differences appear between the two predictions and, accord- ...
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Strain localization analysis using a multiscale model
... The impact of intragranular microstructure on strain localization is studied thanks to comparisons between ELD plotted with the two models. FIGURE 2. Comparison between direct, experimental FLD and ...
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Strain localization analysis for planar polycrystals based on bifurcation theory
... plastic strain localization in ductile FCC single crystals deforming by single planar slip (instead of twelve slip systems in the general three-dimensional ...and strain localization is viewed ...
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Strain localization analysis for planar polycrystals based on bifurcation theory
... • the use of advanced constitutive modeling, which permits to accurately describe the mechanical behavior of the studied material and the influence of the key constitutive features on the initiation of localized necking. ...
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Strain localization analysis using a multiscale model
... Fig. 4. Loss of ellipticity prediction: comparison between linear and complex FLDs for a single-phase steel. UT 10% stands for 10% of Uniaxial Tension logarithmic pre-strain, BE 10% for 10% of Biaxial Expansion ...
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Numerical investigations of the strain localization in geotechnical engineering within the framework of micropolar theory
... the strain localization problems and deformation ...for strain localization analysis, Zhang et ...simulate strain localization phenomena caused by strain softening ...
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In situ 3-D observation of early strain localization during failure of thin Al alloy (2198) sheet
... strain localisation ...early strain localisation in slanted strain bands. These strain localisation bands develop over several tens of grains (see ...
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Strain Localization Within a Syntectonic Intrusion in a Back-Arc Extensional Context: The Naxos Monzogranite (Greece)
... possibly strain localization (De Bresser et ...on strain rate, finite strain, and temperature during dislocation creep (Hirth & Tullis, 1992; Stipp et ...decreasing strain rate), the ...
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Restoring Mesh Independency in FEM-DEM Multi-scale Modelling of Strain Localization Using Second Gradient Regularization
... the localization band thickness will tend to shrink to a size proportional to the mesh ...the strain will concentrate in a null size band posing obvious ...
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Analysis of strain stress state in roller compaction process
... 2πrhσ r ð1Þ where the height h is obtained from the initial height of the powder bed (10 mm) and the measured punch displacement u u and r = δ2 (δ=11.28 mm) is the internal diameter of the die. Fig. 5 shows the evolution ...
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A multi-scale approach to investigate the non linear subsurface behavior and strain localization of X38CrMoV5-1 martensitic tool steel: experiment and numerical analysis
... A multi-scale approach to investigate the non linear subsurface behavior and strain localization of X38CrMoV5-1 martensitic tool steel: experiment and numerical analysis A. Zouaghi a,b , V. Velay ...
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Investigation of the competition between void coalescence and macroscopic strain localization using the periodic homogenization multiscale scheme
... macroscopic strain localization, the above multiscale scheme is coupled with several relevant criteria and indicators (among which the bifurcation approach and an energy-based coalescence ...in-plane ...
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Formal Concept analysis enhances Fault Localization in Software
... 1 Introduction The execution of a program in a testing environment generates a set of data about the execution, called a trace of the execution. Traces allow the program to be monitored and permit the program to be ...
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CRB analysis of near-field source localization using uniform circular arrays
... The UCA has been popular with many applications [4, 5, 6] and dedicated estimation algorithms have been proposed for far-field source localization [12, 13]. Isotropy is a com- pelling feature of UCA. Not only does ...
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Metabolomic analysis of cold acclimation of Arctic Mesorhizobium sp. strain N₃₃
... and more than 90% of the spectral area could be routinely fit using the Chenomx spectral analysis software. Most of the visible peaks are annotated with a compound name. It has been previously shown that this ...
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Analysis of Opportunistic Localization Algorithms Based on the Linear Matrix Inequality Method
... In Fig. 1, the three red solid lines show the performance of Hybrid LMI with range–free technique, for different values of L, with deterministic radio channel and unreliable Peers’ self-localization. First, it is ...
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