Results 1 to 10 of about 585,888 (219)

System Dynamics Analysis of Man-Machine Efficacy in Plateau Mines

open access: yesIEEE Access, 2021
The effects of multiple factors in plateau environments on the working efficiency of equipment operation by personnel makes man-machine efficacy relatively difficult to evaluate.
Duiming Guo   +3 more
doaj   +1 more source

Numerical Analysis of Influence of Blade Icing on Dynamic Response of Integrated Wind Turbine Structure

open access: yesShanghai Jiaotong Daxue xuebao, 2022
Based on the integrated jacket-support offshore wind turbine model of the National Renewable Energy Laboratory (NREL), the computational fluid dynamics (CFD) method is coupled with the wind turbine integrated analysis method to study the blade icing ...
CHUANG Zhenju, LI Chunzheng, LIU Shewen
doaj   +1 more source

Coupling analysis of unsteady aerodynamics and vehicle behavior with road input: Modeling and verification in road tests

open access: yesMechanical Engineering Journal, 2021
This paper discusses that the unsteady aerodynamic forces caused by vehicle motion in road input have a large influence on the vehicle behaviors. In the present coupling analysis, unsteady aerodynamic forces were obtained by using the response functions ...
Kazuhiro MAEDA   +3 more
doaj   +1 more source

A Coupling Analysis of Multiphysical Field for ZnO Surge Arrester Installed in Photovoltaic Substation

open access: yesZhongguo dianli, 2022
Conventional finite element analysis(FEA) employed in multiphysical field coupling analysis usually suffers from such drawbacks as large computational effort and heavy reliance on grid quality.
Tianyi ZHANG, Zhijian LIANG, Rui ZHU
doaj   +1 more source

Discrimination of Patients with Varying Degrees of Coronary Artery Stenosis by ECG and PCG Signals Based on Entropy

open access: yesEntropy, 2021
Coronary heart disease (CHD) is the leading cause of cardiovascular death. This study aimed to propose an effective method for mining cardiac mechano-electric coupling information and to evaluate its ability to distinguish patients with varying degrees ...
Huan Zhang   +8 more
doaj   +1 more source

Macro and micro coupling analysis of cone penetration test: methodology and application

open access: yesRock and Soil Mechanics, 2021
Although cone penetration test (CPT) is an in-situ test method to obtain conventional geotechnical properties accurately, CPT data cannot be directly linked to macro constitutive model parameters. The principal reason is that the comprehensive studies on
WANG Chang-hong   +3 more
doaj   +1 more source

Influence of Complex Service Factors on Ravelling Resistance Performance for Porous Asphalt Pavements

open access: yesBuildings, 2023
The study aims to analyze the influence of complex service factors on ravelling resistance performance for large-void asphalt pavements by carrying out tests on environmental and vehicle factors, conducting ultraviolet aging, freeze–thaw cycles, as well ...
Zhihao Cheng   +4 more
doaj   +1 more source

Research on law and countermeasures of gas over-limit accident in Yuwu Coal Mine based on mathematical statistics

open access: yesMeikuang Anquan, 2021
Gas over-limit is the cause of gas explosion accident. In order to analyze the regularity of gas over-limit accidents, based on the gas over-limit accidents from January 2018 to August 2019 in Yuwu Coal Mine, by using mathematical statistics, we study ...
CHAI Pei, YANG Ming, MAO Junrui, LIU Lei
doaj   +1 more source

Multi-Source Spatio-Temporal Data-Based Tourism Structure Analysis of Demonstration City for Global Tourism: Case Study of Liyang, China

open access: yesISPRS International Journal of Geo-Information, 2022
Tourism can bring economic development and social benefits to cities. At present, global tourism is the leading urban tourism development model in China, and there is a growing tendency to use global tourism demonstration cities as models for urban ...
Haoqi Wu   +3 more
doaj   +1 more source

Coupled Analysis of Safety Risks in Bridge Construction Based on N-K Model and SNA

open access: yesBuildings, 2023
Bridge construction accidents are often caused by a variety of factors, so it is particularly important to explore the role mechanism of bridge construction accident risk factors to effectively prevent construction safety accidents and ensure the smooth ...
Zhi Shan   +3 more
doaj   +1 more source

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