Results 41 to 50 of about 216,091 (172)

Constitutive modeling of Ti-2.7Cu alloy based on strain compensation and PSO-BP neural network

Cailiao gongcheng, 2019
The isothermal compression tests of Ti-2.7Cu alloy were tested to study the hot deformation behavior in temperature range of 740-890℃ and strain rate range of 0.001-10s-1 on a Gleeble-3500 thermomechanical simulator.
WAN Peng, WANG Ke-lu, LU Shi-qiang, CHEN Xu-huai, ZHOU Feng   +4 more
doaj   +1 more source

A Study on the Elasto-plastical Constitutive Equation for Unsaturated Soil [PDF]

, 1994
In this paper, first, an elasto-plastic consitituve equation for unsaturated soil was developed by considering of the basically behavior of unsaturated soil.
Kohno, Iichiro, Nishigaki, Makoto, Sun, Yao   +2 more
core   +1 more source

Modified constitutive equation by using phase field simulation of dynamic recrystallization in friction stir welding

Journal of Materials Research and Technology, 2021
The application of appropriate constitutive equation describing the relationship between the flow stress, temperature and strain rate is essential to get deep insight into the process mechanism of friction stir welding (FSW).
Chunliang Yang, ChuanSong Wu, Song Gao
doaj   +1 more source

Analytical and numerical treatment of the heat conduction equation obtained via time-fractional distributed-order heat conduction law

, 2017
Generalization of the heat conduction equation is obtained by considering the system of equations consisting of the energy balance equation and fractional-order constitutive heat conduction law, assumed in the form of the distributed-order Cattaneo type.
Zorica, Dušan, Želi, Velibor
core   +1 more source

Improvement of Analytical Model for Oblique Cutting—Part I: Identification of Mechanical Characteristics of Machined Material

Metals, 2023
Analytical cutting models have recently become quite widespread due to the simplicity and rapidity of calculations as well as the stability of the solutions.
Michael Storchak, Maria A. Lekveishvili
doaj   +1 more source

Modelling, identification and application of phenomenological constitutive laws over a large strain rate and temperature range [PDF]

, 2013
A review of the different phenomenological thermo-viscoplastic constitutive models often applied to forging and machining processes is presented. Several of the most common models have been identified using a large experimental database (Hor et al., 2013)
GERMAIN, Guénaël, HOR, Anis, LEBRUN, Jean-Lou, MOREL, Franck   +3 more
core   +8 more sources

Local Equation of State and Velocity Distributions of a Driven Granular Gas

, 2004
We present event-driven simulations of a granular gas of inelastic hard disks with incomplete normal restitution in two dimensions between vibrating walls (without gravity).
A. Barrat, Annette Zippelius, I. Goldhirsch, J. P. Hansen, J. S. Urbach, Matthias Otto, Olaf Herbst, P. L. Krapivsky, Peter Müller   +8 more
core   +2 more sources

An Improved Johnson–Cook Constitutive Model and Its Experiment Validation on Cutting Force of ADC12 Aluminum Alloy During High-Speed Milling

Metals, 2020
Because of the massive work and high cost of milling experiments, finite element analysis technology (FEA) was used to analyze the milling process of ADC12 aluminum alloy.
Xinxin Meng, Youxi Lin, Shaowei Mi
doaj   +1 more source

High temperature flow behavior and constitutive model of 35CrMo steel

Journal of Hebei University of Science and Technology, 2019
In order to describe the stress-strain relationship of 35CrMo steel and establish constitutive model of material, the high temperature thermal simulation compression experiment of hot rolled 35CrMo steel is conducted by the Gleeble3800 thermal simulation
Xilei HU, Pengbiao HAN, Suling LU, Zhi′an MENG, Tonghui WANG, Hao WANG   +5 more
doaj   +1 more source

Spin-Electromagnetic Hydrodynamics and Magnetization Induced by Spin-Magnetic Interaction

, 2013
The hydrodynamic model including the spin degree of freedom and the electromagnetic field was discussed. In this derivation, we applied electromagnetism for macroscopic medium proposed by Minkowski. For the equation of motion of spin, we assumed that the
C. Itzykson, C.-Y. Wong, E. Madelung, I. Imai, J.-Y. Ollitrault, L. E. Reichl, P. R. Holland, S. Bobbio, S. R. de Groot, T. Koide   +9 more
core   +1 more source