Results 11 to 20 of about 216,091 (172)

A bimodular nonlinear constitutive equation for rock

Applications in Engineering Science, 2021
Experimental data for the strains and stresses is obtained for some classes of rock, for the compression and tension of a cylindrical sample without lateral loads, and for the triaxial load of a bar.
R. Bustamante, C. Ortiz
doaj   +1 more source

A Review on the Failure Modes of Rock and Soil Mass under Compression and the Exploration about Constitutive Equations of Rock and Soil Mass

Advances in Civil Engineering, 2022
The constitutive equation of rock and soil has always been the core problem in rock and soil mechanics. Up to now, the nature of nonlinear shear strength of rock and soil has not been revealed.
Liansheng Tang, Yuxi Wang, Yinlei Sun, Yang Chen, Zhanlun Zhao   +4 more
doaj   +1 more source

Compressive deformation behavior modeling of AZ31 magnesium alloy at elevated temperature considering the strain effect [PDF]

Materials Research, 2013
The true stress-strain data from isothermal hot compression tests, in the temperature range of 300-500 ºC and strain rate of 0.001-0.1s-1, were employed to study the flow behavior of AZ31 and to develop constitutive equation based on an Arrhenius-type ...
Gh. A. Nourollahi, M. Farahani, A. Babakhani, S. S. Mirjavadi   +3 more
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A nonlinear constitutive model for some hard electro-elastic solids. Solutions of some boundary value problems

Applications in Engineering Science, 2022
A constitutive equation for a class of electro-elastic solid is proposed, neglecting dissipation of energy, and assuming that the gradient of the displacement field is small (the above implies the strains are small).
N. Yévenes, R. Bustamante
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Comparison of the Warm Deformation Constitutive Model of GH4169 Alloy Based on Neural Network and the Arrhenius Model

Metals, 2022
In order to realize a better description of plastic flow behavior in the warm deformation process of GH4149, the GH4169 superalloy was compressed by Gleeble-3800 at a temperature of 700–900 °C and a strain rate of 0.01–10 s−1.
Peng Cheng, Decheng Wang, Junying Zhou, Shanchao Zuo, Pengfei Zhang   +4 more
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On a Generalized Wave Equation with Fractional Dissipation in Non-Local Elasticity

Mathematics, 2023
We analyze wave equation for spatially one-dimensional continuum with constitutive equation of non-local type. The deformation is described by a specially selected strain measure with general fractional derivative of the Riesz type.
Teodor M. Atanackovic, Diana Dolicanin Djekic, Ersin Gilic, Enes Kacapor   +3 more
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A Modified Double Multiple Nonlinear Regression Constitutive Equation for Modeling and Prediction of High Temperature Flow Behavior of BFe10-1-2 Alloy

High Temperature Materials and Processes, 2018
Constitutive analysis for hot working of BFe10-1-2 alloy was carried out by using experimental stress–strain data from isothermal hot compression tests, in a wide range of temperature of 1,023~1,273 K, and strain rate range of 0.001~10 s–1.
Cai Jun, Wang Kuaishe, Shi Jiamin, Wang Wen, Liu Yingying   +4 more
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Study on Dynamic Constitutive Model of Weakly Consolidated Soft Rock in Western China

Shock and Vibration, 2020
To obtain the impact mechanical response and establish the dynamic damage constitutive relationship of frozen sandstone at low temperature conditions, the impact test of Cretaceous red sandstone under different temperatures was conducted using a split ...
Lei Wang, Hongming Su, Yue Qin, Shiguan Chen   +3 more
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On the motion of a classical charged particle [PDF]

, 2004
We show that the Lorentz-Dirac equation is not an unavoidable consequence of energy-momentum conservation for a point charge. What follows solely from conservation laws is a less restrictive equation already obtained by Honig and Szamosi.
A. Molina, A. D. Yaghjian, D. V. C. Teitelboim, E. C. G. Sudarshan, E. G. P. Rowe, F. Rohrlich, I. M. Gel’fand, J. Llosa, J. M. Aguirregabiria, J. L. Synge, L. Bel, M. Mathison, P. Havas, P. Pearle, P. A. M. Dirac, T. M. Apostol, V. S. Vladimirov, W. G. Dixon   +17 more
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A Constitutive Equation for Predicting Elevated Temperature Flow Behavior of BFe10-1-2 Cupronickel Alloy through Double Multiple Nonlinear Regression

High Temperature Materials and Processes, 2019
Constitutive analysis for elevated temperature flow behavior of BFe10-1-2 alloy was carried out by using experimental stress–strain data from isothermal hot compression tests on a Gleeble-3800 thermo-mechanical simulator, in a wide of temperature range ...
Cai Jun, Wang Meng, Shi Jiamin, Wang Kuaishe, Wang Wen   +4 more
doaj   +1 more source