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[PDF] Top 20 An elastic plastic damage formulation for concrete

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An elastic plastic damage formulation for concrete

An elastic plastic damage formulation for concrete

... Pure elastic damage models or pure elastic plastic constitutive laws are not totally satisfactory to describe the behaviour of ...the damage in the mate- ...because an accurate ... Voir le document complet

17

An improved assumed strain solid-shell element formulation with physical stabilization for geometric non-linear applications and elastic-plastic stability analysis

An improved assumed strain solid-shell element formulation with physical stabilization for geometric non-linear applications and elastic-plastic stability analysis

... earlier formulation of the SHB8PS finite element is revised in order to eliminate some persistent membrane and shear locking ...new formulation consists of a solid–shell element based on a purely ... Voir le document complet

48

An elasto-plastic self-consistent model for damaged polycrystalline materials: Theoretical formulation and numerical implementation

An elasto-plastic self-consistent model for damaged polycrystalline materials: Theoretical formulation and numerical implementation

... continuum damage mechanics (CDM), where a scalar damage variable is introduced at each CSS [ 16 ] – [ 17 ...conducted an extensive comparative study on these two families of ...hereafter for ... Voir le document complet

59

Strain localization analysis using a large deformation anisotropic elastic-plastic model coupled with damage

Strain localization analysis using a large deformation anisotropic elastic-plastic model coupled with damage

... also for its applicability to a wide range of materials: rate- dependent and rate-independent behavior ...localization for different material behavior models. For example, Benallal and Comi (2000) ... Voir le document complet

50

A variational formulation for the incremental homogenization of elasto-plastic composites

A variational formulation for the incremental homogenization of elasto-plastic composites

... when plastic deformation develops, mechanical properties do not remain homogeneous within phases, and the local behavior becomes stress-dependent and ...uniform plastic strain for each ...and ... Voir le document complet

22

Elastoplastic nonlocal damage model for concrete and size effect analysis

Elastoplastic nonlocal damage model for concrete and size effect analysis

... nonlocal damage model for concrete and size effect analysis ...nonlocal damage formulation for mod- elling concrete structure behaviour subjected to mixed mode ...failure. ... Voir le document complet

8

Elastoplastic nonlocal damage model for concrete and size effect analysis

Elastoplastic nonlocal damage model for concrete and size effect analysis

... nonlocal damage model for concrete and size effect analysis ...nonlocal damage formulation for mod- elling concrete structure behaviour subjected to mixed mode ...failure. ... Voir le document complet

8

Prediction of necking in thin sheet metals using an elastic‒plastic model coupled with ductile damage and bifurcation criteria

Prediction of necking in thin sheet metals using an elastic‒plastic model coupled with ductile damage and bifurcation criteria

... derivatives for the tensorial variables is required in order to ensure the incremental objectivity of the ...the formulation and time integration of the constitutive equations in the so-called local ... Voir le document complet

75

Finite element prediction of sheet forming defects using elastic-plastic, damage and localization models

Finite element prediction of sheet forming defects using elastic-plastic, damage and localization models

... modeling. An anisotropic, elastic-plastic strain-path dependent hardening model [1] is coupled to a scalar damage model ...selected for its rigorous mathematical ...using an ... Voir le document complet

7

Multi-Scale Methods for the Analysis of Creep-Damage Coupling in Concrete

Multi-Scale Methods for the Analysis of Creep-Damage Coupling in Concrete

... of concrete are associated with very complicated progressive ...in concrete. Thus, understanding the behavior of concrete requires the detailed assessment of creep and the part of ...damage. ... Voir le document complet

38

Strain localization analysis using a large deformation anisotropic elastic-plastic model coupled with damage

Strain localization analysis using a large deformation anisotropic elastic-plastic model coupled with damage

... localization for different material behavior models. For example, Benallal and Comi (2000) applied this criterion to porous media, Le- maitre et ...of damage in an ... Voir le document complet

51

Application of the continuum shell finite element SHB8PS to sheet forming simulation using an extended large strain anisotropic elastic–plastic formulation

Application of the continuum shell finite element SHB8PS to sheet forming simulation using an extended large strain anisotropic elastic–plastic formulation

... proposes an extension of the SHB8PS solid–shell finite element to large strain anisotropic elasto-plasticity, with application to several non-linear benchmark tests including sheet metal forming ...has an ... Voir le document complet

26

A two-surface plastic model for concrete behaviour

A two-surface plastic model for concrete behaviour

... considered, elastic damage models or elastic plastic constitutive laws are generally the standard approaches to describe the behaviour of ...the elastic behaviour (decrease of the ... Voir le document complet

25

Damage plastic model for concrete failure under impulsive loadings

Damage plastic model for concrete failure under impulsive loadings

... THE CONCRETE MODEL DPDC is an isotropic triaxial damage-plastic ...The plastic part is based on the effective stress and the damage part is based on total strain deformation ... Voir le document complet

13

Elastic-plastic ductile damage model based on strain-rate plastic potential

Elastic-plastic ductile damage model based on strain-rate plastic potential

... using an Eshelby-type approach, the reader is referred to Monchiet et ...local plastic dissipation is calculated for a unique velocity ...is an upper-bound of the exact plastic ... Voir le document complet

14

Lax-Wendroff schemes for elastic-plastic solids

Lax-Wendroff schemes for elastic-plastic solids

... the elastic trial stresses onto the yield locus is performed twice per time ...required for the approximation of discontinuous plastic waves with respect to a classical one-step strategy consisting ... Voir le document complet

23

Atomistic simulations of elastic-plastic deformation of amorphous polymers

Atomistic simulations of elastic-plastic deformation of amorphous polymers

... The trend of an increasing number of transitions per unit of deformation as the tempera- ture is increased or the strain rate is decreased might be an artifact of the f[r] ... Voir le document complet

125

Boundary data identification from overspecified data for elastic-plastic linear strain-hardening bodies

Boundary data identification from overspecified data for elastic-plastic linear strain-hardening bodies

... solid, for instance displacement and stress vec- tor fields, in order to extend the mechanical fields within the solid, or to identify missing or unknown boundary conditions, remains an open issue, ... Voir le document complet

5

Elastic–Plastic Transition in Iron: Structural and Thermodynamic Features

Elastic–Plastic Transition in Iron: Structural and Thermodynamic Features

... Abstract—The structural and thermodynamic features of the elasticplastic transition in armco iron and its plastic deformation are studied. Energy storage in iron is shown to have a nonlinear ... Voir le document complet

7

Damage model for FRP-confined concrete columns under cyclic loading

Damage model for FRP-confined concrete columns under cyclic loading

... however, for a number of reasons, including the lack of numerical tools for pre- dicting cyclic ...suitable for monotonic and cycling loading capable of predicting the FRP’s effect on ... Voir le document complet

14

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