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Relevant bibliographies by topics / Multiphysics properties

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Journal articles

Academic literature on the topic 'Multiphysics properties'

Author: Grafiati

Published: 18 May 2024

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Journal articles on the topic "Multiphysics properties"

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Zaporozhets, Yu, A. Ivanov, Yu Kondratenko, V. Tsurkin, and N. Batechko. "Innovative System of Computer Modelling of Multiphysics Processes for Controlled Electrocurrent Treatment of Melts." Science and Innovation 18, no. 4 (2022): 85–105. http://dx.doi.org/10.15407/scine18.04.085.

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Introduction. The widespread use of cast products made of aluminum and its alloys requires ensuring a highquality structure of the castings, on which their operational properties depend. Controlling the process of forming a high-quality structure of castings is possible, in particular, by the method of electrocurrent treatment of melts.Problem Statement. The melt medium being inaccessible for direct measurement of the processing parameters, the only way to realize the control of treatment conditions is numerical simulation of these parameters. However, the complexity and interdependence of mul

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Lin, Yihao, Yang Qin, Bilin Gong, et al. "Analysis of the Parallel Seam Welding Process by Developing a Directly Coupled Multiphysics Simulation Model." Processes 12, no. 1 (2023): 78. http://dx.doi.org/10.3390/pr12010078.

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Parallel seam welding (PSW) is the most commonly employed encapsulation technology to ensure hermetic sealing and to safeguard sensitive electronic components. However, the PSW process is complicated by the presence of multiphysical phenomena and nonlinear contact problems, making the analysis of the dynamics of the PSW process highly challenging. This paper proposes a multiphysics simulation model based on direct coupling, enabling the concurrent coupling of the electric field, temperature field, and structural field to facilitate the analysis of the thermal and electrical dynamics within the

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Zhao, Xiaoyu, Guannan Wang, Qiang Chen, Libin Duan, and Wenqiong Tu. "An effective thermal conductivity and thermomechanical homogenization scheme for a multiscale Nb3Sn filaments." Nanotechnology Reviews 10, no. 1 (2021): 187–200. http://dx.doi.org/10.1515/ntrev-2021-0015.

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Abstract A comprehensive study of the multiscale homogenized thermal conductivities and thermomechanical properties is conducted towards the filament groups of European Advanced Superconductors (EAS) strand via the recently proposed Multiphysics Locally Exact Homogenization Theory (LEHT). The filament groups have a distinctive two-level hierarchical microstructure with a repeating pattern perpendicular to the axial direction of Nb3Sn filament. The Nb3Sn filaments are processed in a very high temperature between 600 and 700°C, while its operation temperature is extremely low, −269°C. Meanwhile,

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4

Giurgea, S., T. Chevalier, J. L. Coulomb, and Y. Marchal. "Unified physical properties description in a multiphysics open platform." IEEE Transactions on Magnetics 39, no. 3 (2003): 1642–45. http://dx.doi.org/10.1109/tmag.2003.810182.

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Bukshtynov, Vladislav, and Bartosz Protas. "Optimal reconstruction of material properties in complex multiphysics phenomena." Journal of Computational Physics 242 (June 2013): 889–914. http://dx.doi.org/10.1016/j.jcp.2013.02.034.

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Mohammed Ali, Ali K. "CdSe and CdTe Mechanical Properties Revealed by COMSOL Multiphasics." Al-Mustansiriyah Journal of Science 34, no. 4 (2023): 104–9. http://dx.doi.org/10.23851/mjs.v34i4.1355.

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Two Metal chalcogenide compounds CdTe and CdSe have been studied in depth because they are used in many optoelectronic and electronic devices. High pressure causes structural phase transitions in semiconductor materials, which have been the subject of much research. CdTe is a direct band-gap IIeVI semiconductor. Cadmium-tellurium crystalline compound has been used in more and more industries. High dislocation density is one of the problems with bulk-grown CdTe. Comsol Multiphysics was used to evaluate mechanical stress on a material. COMSOL Multiphysics 5.5 allows you to access a database of p

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7

Sanfilippo, Danilo, Bahman Ghiassi, Alessio Alexiadis, and Alvaro Garcia Hernandez. "Combined Peridynamics and Discrete Multiphysics to Study the Effects of Air Voids and Freeze-Thaw on the Mechanical Properties of Asphalt." Materials 14, no. 7 (2021): 1579. http://dx.doi.org/10.3390/ma14071579.

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This paper demonstrates the use of peridynamics and discrete multiphysics to assess micro crack formation and propagation in asphalt at low temperatures and under freezing conditions. Three scenarios are investigated: (a) asphalt without air voids under compressive load, (b) asphalt with air voids and (c) voids filled with freezing water. The first two are computed with Peridynamics, the third with peridynamics combined with discrete multiphysics. The results show that the presence of voids changes the way cracks propagate in the material. In asphalt without voids, cracks tend to propagate at

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Belov, A. V., O. V. Kopchenov, A. O. Skachkov, and D. E. Ushakov. "Solid-state explosion simulation in COMSOL Multiphysics." Multiphase Systems 14, no. 4 (2019): 253–61. http://dx.doi.org/10.21662/mfs2019.4.032.

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In this work, the propagation of blast waves in a rock mass caused by a short-term load is considered. Such loads are typical in the construction of tunnels and other excavations using blasting. For modeling by the finite element method, the cross-platform software COMSOL Multiphysics 5.4 was used. The explosion is reproduced in a steel tank whose steel grade is EN 1.7220 4CrMo4. The medium in the tank has the properties of granite rock (Young’s modulus E = 50 GPa, Poisson’s ratio ν = 2/7, Density ρ = 2700 kg/m3 ). The sphere is also a body having the properties of granite. Set to clarify the

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9

Qu, Danqi, and Hui-Chia Yu. "Multiphysics Electrochemical Impedance Simulations of Complex Multiphase Electrodes." ECS Meeting Abstracts MA2023-02, no. 54 (2023): 2548. http://dx.doi.org/10.1149/ma2023-02542548mtgabs.

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Electrochemical impedance spectroscopy (EIS) is a widely used technique for characterizing materials in electrochemical systems. However, directly connecting the obtained quantities to microstructure-level phenomena is challenging. In this work, we performed detailed electrochemical microstructure simulations to investigate the EIS behavior of phase-separating graphite electrodes. We employed the Cahn-Hilliard phase-field equation to model Li transport and phase transitions in the graphite particles. In single-phase graphite particles, the charge-transfer resistance reflected the total active

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10

Nilboworn, Salakjit, Phairote Wounchoum, Warit Wichakool, and Wiriya Thongruang. "Electrical Properties Characterization and Numerical Models of Rubber Composite at High Frequency." Advanced Materials Research 844 (November 2013): 429–32. http://dx.doi.org/10.4028/www.scientific.net/amr.844.429.

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This paper presents a numerical model of rubber composite using a COMSOL multiphysics program to simulate electrical properties of the rubber composite in the frequency range of 300 kHz to 30 MHz. The rubber composite was made of natural rubber vulcanized with carbon black and carbon nanotube. The chracterization was done by setting up a parallel plate capacitive structure in a shape of circular disk with a diameter of 38 mm and using the RF vector network analyzer to measure electrical properties in term of electrical impedance, specifically resistance (R) and reactance (X). Three different t

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