Results 81 to 90 of about 23,971,633 (156)

Multi-field coupling dynamic response analysis of pipelines with double corrosion defects under seismic loading in cold regions [PDF]

, 2018
Multi-field coupling system in the paper is composed of the corroded pipelines, fluid, heat preservation layers and frost -heaving soil, and the buried pipelines are inevitable to be affected by earthquakes, but few studies have been done on corroded ...
Min Luo, Li Xin Wei, Yang Liu, Qiao Zhen Li, Luo, Min, Li, Qiao Zhen, Liu, Yang, Wei, Li Xin   +7 more
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Electromagnetic vibration analysis in full frequency band of multi-unit PMSMs under fault tolerance state by magnetic field-structure coupling model

Multi-unit permanent magnet synchronous motors (PMSMs) have the advantages of good fault tolerance and low driving power. Therefore, they are widely used in high power and high torque propulsion fields.
Dong Lieyi, Shuai Zhijun, Andriollo Mauro, Wei Qi, Li Wanyou, Zeng Depeng   +5 more
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The Multi一physics Research on I ron一Core Vibration Noise of Power Reactor

Journal of Harbin University of Science and Technology, 2017
On the basis of theoretical research releted to the magnetostriction and maxwell’.s equations，the fi- nite element coupling in the transient electromagnetic field coupling，structure and sound field coupling has been developed In thts paper by using the ...
LI U Ja, HE Yaqian , LI Kai
doaj   +1 more source

Numerical Modelling simulation technology of Nonlinear Multi-Field Coupled Ground Foundation

Journal of Electrical Systems
Contemporary civil engineering practices demand sophisticated computational tools to navigate the complexities of structural systems and their interactions with the ground. This paper introduces a novel numerical modelling simulation technology tailored for nonlinear multi-field coupled ground foundations. Ground foundations, pivotal interfaces between
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Fast computation of electro-thermal coupling field of ± 400 kV converter transformer valve side bushing based on proper orthogonal decomposition method

International Journal of Electrical Power & Energy Systems
The digital twin technology plays a crucial role in enabling the intelligent operation and maintenance of power equipment, as well as facilitating the digital transformation of the power industry.
Zhilin Chu, Qingyu Wang, Huidong Tian, Siyuan Liu, Zhijie Gao, Songbo Tian, Peng Liu, Zongren Peng   +7 more
doaj   +1 more source

Development of natural gas hydrates: A comprehensive review with focus on numerical simulation

Energy Reports
Natural gas hydrates are a promising alternative energy resource, but their development presents complex challenges due to multi-field coupling involving thermal, hydraulic, mechanical, and chemical interactions.
Qiannan Yu, Shuai Tan, Xin Luo, Xingang Wang, Huawei Zhang, Yang Yu, Jie Yuan   +6 more
doaj   +1 more source

Multi-skyrmion solutions of a sixth order skyrme model [PDF]

, 2001
In this Thesis, we study some of the classical properties of an extension of the Skyrme model defined by adding a sixth order derivative term to the Lagrangian.
Floratos, Ioannis, Floratos, I.
core  

Research progress of coalbed gas migration model in China

Meikuang Anquan
Coal bed gas migration is a basic scientific problem in the field of mine gas drainage and coal bed gas development in coal mine areas. This paper expounds the research status of the theory of coal seam gas migration and the testing method of its ...
Chaohui JI
doaj   +1 more source

Research on Multi-Disciplinary Behavior Coupling Model in IC Engine

, 2010
The paper analyzes the coupling of multi-disciplinary behaviors, including system dynamical behavior, combustion behavior and tribological behavior, of the cylinder liner-piston-rod-crank system in IC engine.
Zhi Nan Zhang, You Bai Xie, Xiang Hui Meng, Zheng Shan Zhang, Xu Dong Dai   +4 more
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Variable-kinematics approach for an effective modelling of composite structuresincluding multi-field coupling

, 2022
Composite structures are widely employed in engineering applications for increasing the structural weight efficiency. These deserve dedicated modeling strategies that consider their multi-scale heterogeneity and anisotropy. It is well known that structural models (beams, plates and shells) can accurately grasp the global and local response, provided ...
openaire   +1 more source