云南高校图书馆联盟文献共享服务平台- VISCOPLASTICITY

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Enhancing the elastoplastic damage constitutive model for clayey rocks: Incorporating anisotropy, saturation, time-dependent, and debonding effects: 《Journal of Rock Mechanics and Geotechnical Engineering》2023年第9期2291-2312,共22页Jueliang Chen Siyu Liu Wanqing Shen Jianfu Shao Minh-Ngoc Vu; This paper introduced a novel microstructure-based constitutive model designed to comprehensively characterize the intricate mechanical behavior of anisotropic clay rocks under the influence of water saturation.The pr...; 关键词：Clayey rocks MICROMECHANICS ANISOTROPY Plasticity VISCOPLASTICITY Debonding damage SATURATION

Modelling of temperature and strain rate dependent behaviour of pearlitic steel in block braked railway wheels: 《Railway Engineering Science》2021年第4期362-378,共17页Ali Esmaeili Johan Ahlstrom Magnus Ekh Dimitrios Nikas Tore Vernersson; The current study is part of the ongoing activities in CHARMEC-Chalmers Railway Mechanics(www.chalmers.se/charmec).Parts of the study have been funded from the European Union’s Horizon 2020 research and innovation programme in the projects In2Track,In2Track2 and In2Track3 under Grant Agreements Nos.826255 and 101012456;The simulations were performed using resources at Chalmers Centre for Computational Science and Engineering(C3SE)provided by the Swedish National Infrastructure for Computing(SNIC).; Block braked railway wheels are subjected to thermal and rolling contact loading.The thermal loading results in high temperatures and thermal stresses which cause slow time dependent processes such as creep,relaxation...; 关键词：Block braking High temperatures Pearlitic steel Railway wheels VISCOPLASTICITY

Phenomenological behavior of rock salt:On the influence of laboratory conditions on the dilatancy onset被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2019年第4期723-738,共16页A.Rouabhi P.Labaune M.Tijani N.Gatelier G.Hevin; Recently,stress-based dilatancy criteria have become essential tools to design underground facilities in salt formations such as gas storage caverns.However,these criteria can depend critically on the volumetric strai...; 关键词：Rock salt TRIAXIAL tests DILATANCY ONSET End RESTRAINT VISCOPLASTICITY

A chemo-mechanical model for fully-coupled lithiation reaction and stress generation in viscoplastic lithiated silicon被引量：4: 《Science China(Technological Sciences)》2019年第8期1365-1374,共10页BUREBI Yi Ming JIA Zheng QU ShaoXing; supported by the National Natural Science Foundation of China (Grant Nos. 11802269, 11525210 & 11621062);the Fundamental Research Funds for the Central Universities;the financial support from the One-Hundred Talents Program of Zhejiang University; Development of stresses in silicon(Si) anodes of lithium-ion batteries is strongly affected by its mechanical properties. Recent experiments reveal that the mechanical behavior of lithiated silicon is viscoplastic, th...; 关键词：LITHIUM-ION BATTERY lithiation-induced STRESS stress-regulated LITHIATION VISCOPLASTICITY

Constitutive modeling of viscoelastic-viscoplastic behavior of short fiber reinforced polymers coupled with anisotropic damage and moisture effects被引量：5: 《Acta Mechanica Sinica》2019年第3期495-506,共12页Ge He Yucheng Liu Xingqiao Deng Lei Fan; In this paper, a combined viscoelasticity-viscoplasticity model, coupled with anisotropic damage and moisture effects, is developed for short fiber reinforced polymers (SFRPs) with different fiber contents and subject...; 关键词：SHORT fiber reinforced polymer Internal state variable Anisotropic damage MOISTURE effect Viscoelasticity-viscoplasticity

A hydromechanical approach for anisotropic elasto-viscoplastic geomaterials:Application to underground excavations in sedimentary rocks: 《Underground Space》2019年第2期109-120,共12页Mohamed Mahjoub Ahmed Rouabhi; To better describe excavation operations in deep geological formations,several aspects should be considered,especially the material anisotropy,time-dependent behavior,and hydromechanical coupling.In the present paper,...; 关键词：Hydromechanical behavior Transverse isotropy Tunnel excavation VISCOPLASTICITY PERMEABILITY

Rheological Properties of Polyamide: Experimental Studies and Constitutive Modeling被引量：2: 《Chinese Journal of Polymer Science》2019年第2期178-188,共11页Cyprian Suchocki Rafa? Molak; This work is focused on simulating the rheological effects in polyamide. An experimental study is carried out in order to assess such features of polyamide as: the hysteretic behavior, the strain rate dependence, and ...; 关键词：POLYAMIDE VISCOPLASTICITY Material parameters:Finite ELEMENT method UMAT

Finite element modelling of the geodynamic processes of the Central Andes subduction zone:A Reference Model被引量：2: 《Geodesy and Geodynamics》2018年第3期246-251,共6页Chris Salomon; This paper presents preliminary results of three-dimensional thermomechanical finite-element models of a parameter study to compute the current temperature and stress distribution in the subduction zone of the central...; 关键词：ABAQUS Andes subduction zone Finite element modelling Thermomechanical models VISCOPLASTICITY

A unified plasticity methodology for rate-and temperature-sensitive alloys exhibiting a non-linear kinematic hardening behavior: 《Acta Mechanica Solida Sinica》2017年第1期27-37,共11页Jacques Luk-Cyr Daniel Paquet Jacques Lanteigne Henri Champliaud Aurelian Vadean; In this paper, a novel unified plasticity methodology is proposed to allow the coupling of rate-and temperature-sensitivity of engineering alloys as well as the non-linear kinematic hardening behavior often observed d...; 关键词：Unified plasticity Constitutive behavior VISCOPLASTICITY Non-linear kinematic hardening Stainless steels

A modified creep index and its application to viscoplastic modelling of soft clays被引量：1: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2014年第4期272-281,共10页Qi-yin ZHU Ze-xiang WU Yan-ling LI Chang-jie XU Jian-hua WANG Xiao-he XIA; Project supported by the National Natural Science Foundation of China （Nos. 41240024, 41372285, 41272317, 51278449, and 51238009）, the Research Fund for the Doctoral Program of Higher Education of China （No. 20110073120012）, and the European Project CREEP （PIAPP-GA-2011-286397）; Conventional consolidation tests on reconstituted specimens of numerous natural soft clays show a decreasing of creep index Cae with increasing soil density. Based on all selected and conducted experimental results, a...; 关键词：Clays CREEP Consolidation test EMBANKMENT Finite element method VISCOPLASTICITY

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