Strain localization
A numerical study of strain localization in elasto-thermo-viscoplastic materials using radial basis function networks
... shear strain localization prob- lems with good results for 1D cases, since the Lagrangian finite element mesh is not badly dis- torted and small element size of O(10 − 7 ) enables one to capture the high ...
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Strain localization and fabric development in polycrystalline anorthite + melt by water diffusion in an axial deformation experiment
... and strain weakening of ~ 500 MPa by 20% ...plastic strain localization in addition to fracturing and reaction products composed of zoisite grains and SiO 2 materials along the boundary between the ...
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Strain localization and dynamic recrystallization in the ice–air aggregate: a numerical study
... that strain and strain-rate localization is to be expected during ice deformation, forming shear bands that accommodate signif- icant amounts of ...to strain localization and stress ...
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Patterns of strain localization in heterogeneous, polycrystalline rocks – a numerical perspective
... of strain localization during progressive deformation; simulation set IV; (a) incremental and accumulated strain plots at σ Thr of ...Incremental strain plots show strain varies with ...
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Strain localization in polycrystalline material with second phase particles: Numerical modeling with application to ice mixtures
... on strain localization in a viscoelastic ...causes strain localization and the formation of ductile shear zones in the ...while strain localizes within the particles and matrix between ...
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Thermomechanical variational principles for dissipative materials with application to strain localization in bulk metallic glasses
... regard strain localization strictly as a sub-grid phenomenon and, conse- quently, the bands of strain localization are modelled as displacement ...specialized strain-localization ...
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RBF-based meshless modeling of strain localization and fracture
... of strain may change into a highly localised ...Such strain localiza- tion usually can be caused by geometrical nonlinearities ...of strain localization, in the context of a rate-independent ...
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RBF-based meshless modeling of strain localization and fracture
... This work attempts to contribute further knowledge and understanding in the discipline of computational science in general and numerical modeling of dis- continuity problems in particular. Of particular interest is ...
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Strain localization during tensile Hopkinson bar testing of commercially pure titanium and Ti6Al4V titanium alloy
... the strain localization for various specimen shapes (type A and type B according to PN-EN ISO 26203-1 standard) and different loading conditions, ...The strain distribution on the specimen surface ...
6
In-situ analysis of strain localization related to structural heterogeneities of carbonate rocks
... a strain gradient along the sample ...axial strain is about 0.30%, but the equivalent strain is about ten times larger at the top than at the bottom of the ...axial strain of 0.37%, a zone of ...
6
Strain localization in ultramylonitic marbles by simultaneous activation of dislocation motion and grain boundary sliding (Syros, Greece)
... maximum strain rates of ∼ 10 −9 s −1 have been determined (Rogowitz et ...such strain rates at low temperatures point toward the operation of brittle deformation rather than ductile ...and strain ...
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A meshless IRBFN-based numerical simulation of dynamic strain localization in quasi-brittle materials
... To start with, the question arises “how to interpret servo-controlled experimental observations in the post- peak response regime and how to extract objective material properties from novel image correlation systems?” On ...
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Strain Localization during Equal-Channel Angular Pressing analyzed by Finite Element Simulations
... Figure 10. Generalized diagram with uniaxial flow curves as functions of the effective plastic strain depicting the regions where localized deformation occurs for a) isotropic and b) kinematic hardening. Material ...
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Data Pruning of Tomographic Data for the Calibration of Strain Localization Models
... ( V H [F ? , : ]) T K [F ? , : ] V H = ( V H [F , : ]) T K [F , : ] V H (28) where V H contains V in its first columns and keep the same columns of the identity matrix (with renumbered rows) in the latest columns and K ...
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Imposed strain localization in the lower crust on seismic timescales
... undergone strain weak- ening and be subject to fluid overpressure, and is consis- tent with inferences of low fault strength from heat-flow ob- servations along major faults ...
7
Strain Localization in Thin Films of Bi(Fe,Mn)O3 Due to the Formation of Stepped Mn4+ Rich Antiphase Boundaries
... the strain in the film is maxi- mised when the film is in direct epitaxial contact with the substrate, and relaxed by the presence of Mn-rich APBs, it is clear what must be done to further improve the properties ...
7
Optical Strain Measurement of Plastic Strain Localization in Nuclear Waste Copper Canisters
... Figure 4 shows a stress-strain curve for each sample type. It can be seen that the tensile strength of the EB weld is lower than that of the other samples. Tensile strength of the EB weld is 175 MPa while the ...
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Roles of Pre Existing Hydrogen Micropores on Ductile Fracture
... mechanisms for such rapid decrease with a limited porosity have not been fully clarified in the literature. Since the ordinary ductile fracture process consists of void initiation, growth and coalescence, it can be ...
6
Appropriation of the ‘Witch’ Stigma as White Women's Self-Empowerment
... Along with highly growing applications of fiber reinforced laminate, the mechanics of laminate plates has advanced tremendously. However, the presence material discontinuity within the laminate structures causes a ...
153
Full-field Strain Analysis of a Ski Boot
... and strain analysis of a racing class ski boot was performed in this ...While strain measurement and the data reduction of the quasi-static experiments /Test 1 and Test 2) were relatively easy, the dynamic ...
6