Results 31 to 40 of about 35,481 (310)

Parallel three-dimensional simulations of quasi-static elastoplastic solids [PDF]

open access: yes, 2020
Hypo-elastoplasticity is a flexible framework for modeling the mechanics of many hard materials under small elastic deformation and large plastic deformation.
Boffi, Nicholas M., Rycroft, Chris H.
core   +2 more sources

Elastoplastic deformation analysis by return-mapping and consistent tangent modulus tensor based on subloading surface model (1st Report, Formulation of return-mapping)

open access: yesNihon Kikai Gakkai ronbunshu, 2014
The subloading surface model possesses the automatic controlling function to pull back the stress to the yield surface. However, this function is not concerned with the subyield state, i.e.
Koichi HASHIGUCHI   +2 more
doaj   +1 more source

Elastic-plastic deformation of a round plate reinforced with stiffeners

open access: yesMagazine of Civil Engineering, 2022
The present paper studies the stress-strain state of a round reinforced with stiffeners plate of elastic-plastic material carried out of a refined theory of the type by S.P.
Khalmuradov Rustam   +2 more
doaj   +1 more source

Elastoplastic deformation analysis by return-mapping and consistent tangent modulus tensor based on subloading surface model (2st Report, Deformation analyses of machine elements)

open access: yesNihon Kikai Gakkai ronbunshu, 2014
The implicit stress integration algorithm was devised in the first report by formulating the return-mapping based on the cutting-plane projection and the consistent tangent modulus tensor due to the numerical method for the subloading surface model.
Noriyuki SUZUKI   +2 more
doaj   +1 more source

Theoretical and numerical comparison of hyperelastic and hypoelastic formulations for Eulerian non-linear elastoplasticity [PDF]

open access: yesJournal of Computational Physics, 2018
The aim of this paper is to compare a hyperelastic with a hypoelastic model describing the Eulerian dynamics of solids in the context of non-linear elastoplastic deformations.
I. Peshkov   +4 more
semanticscholar   +1 more source

Visco-elastic regularization and strain softening [PDF]

open access: yes, 2006
In this paper it is intended to verify the capacity of regularization of the numerical solution of an elasto-plastic problem with linear strain softening. The finite element method with a displacement approach is used.
Cardoso, R., Silva, V. D., Varum, H.
core   +2 more sources

Accounting of plastic deformations in the calculation of frames using the displacement method

open access: yesMagazine of Civil Engineering, 2023
Method for calculating statically indeterminate frames taking into account plastic deformations, which is based on the use of a schematized diagram of material with hardening is proposed.
Potapov Alexandr, Shturmin Sergei
doaj   +1 more source

Dislocation theory as a 3-dimensional translation gauge theory [PDF]

open access: yes, 1999
We consider the static elastoplastic theory of dislocations in an elastoplastic material. We use a Yang-Mills type Lagrangian (the teleparallel equivalent of Hilbert-Einstein Lagrangian) and some Lagrangians with anisotropic constitutive laws.
Lazar, Markus
core   +3 more sources

Convergence Check Phase-Field Scheme for Modelling of Brittle and Ductile Fractures

open access: yesApplied Sciences, 2023
The paper proposes a novel staggered phase-field framework for modelling brittle and ductile fractures in monotonic and cyclic loading regimes. The algorithm consists of two mesh layers (displacement and phase field) and a single special-purpose, user ...
Tomislav Lesičar   +2 more
doaj   +1 more source

Heredity and evolution laws of flatness defects in steel strip temper rolling processes

open access: yes工程科学学报, 2015
Three-dimensional temper rolling processes are simulated by nonlinear elastoplastic finite element software called ABAQUS. In this simulation, the initial flatness defects of steel strips are modeled by the temperature field, and the adjustment effect of
LI Bo, ZHANG Qing-dong, ZHANG Xiao-feng
doaj   +1 more source

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