Results 21 to 30 of about 6,221 (226)
Convergence Check Phase-Field Scheme for Modelling of Brittle and Ductile Fractures
Applied 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
Nihon 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
Implicit yield function formulation for granular and rock-like materials [PDF]
, 2014 The constitutive modelling of granular, porous and quasi-brittle materials is based on yield (or damage) functions, which may exhibit features (for instance, lack of convexity, or branches where the values go to infinity, or false elastic domains ...
Bigoni, D. +3 more
core +2 more sources
Nihon 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
Impact Indentation of Metals at the Small Elastoplastic Strain
Механика машин, механизмов и материалов, 2022 The aim of this paper is to study and describe the behavior features of metals under impact loading in the area of elastic-plastic transition, with strains not exceeding 3–4 %, which are typical for measuring the hardness of materials during dynamic ...
Alexander P. Kren
doaj +1 more source
An Eulerian projection method for quasi-static elastoplasticity [PDF]
, 2015 A well-established numerical approach to solve the Navier--Stokes equations for incompressible fluids is Chorin's projection method, whereby the fluid velocity is explicitly updated, and then an elliptic problem for the pressure is solved, which is used ...
Bouchbinder, Eran +2 more
core +4 more sources
Justification of fracture criteria for salt rocks
Fracture and Structural Integrity, 2022 The study of salt rocks deformation and fracture processes is an essential part of mining parameters justification for mineral salt deposits. The results of uniaxial compression tests on large salt rock specimens are presented as a loading curve and ...
A. Baryakh, A. Tsayukov
doaj +1 more source
Yantu gongcheng xuebao, 2017 Under the framework of bounding surface plasticity and critical state concept, by introducing the disturbed state concept for hardening variables of elastic behavior, structured yield surface, structured bonding adhesive stress and surface anisotropy, an
YANG Jie 1, 2, 3, YIN Zhen-yu 1,2,3, HUANG Hong-wei 1, 2, JIN Yin-fu 3, ZHANG Dong-mei 1, 2
doaj +1 more source
Incremental response of granular materials: DEM results [PDF]
, 2009 We systematically investigate the incremental response of various equilibrium states of dense 2D model granular materials, along the biaxial compression path (\sigma 11 < \sigma 22, \sigma 12 = 0). Stress increments are applied in arbitrary directions in
Froiio, Francesco, Roux, Jean-Noël
core +4 more sources
Metals, 2021 This study deals with Transformation-Induced Plasticity (TRIP) observed in the martensitic transformation of 35NCD16 ferritic steel. In this study, TRIP tests were carried out for two different cases: First, after only free dilatometric (FD) tests, which
Jose Jimenez, Lakhdar Taleb
doaj +1 more source