NON-CIRCULAR

作品数：51被引量：118H指数：6
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相关作者：郑春弟周祎冯大政黄太平常海萍更多>>
相关机构：西安电子科技大学南京航空航天大学更多>>
相关期刊：《Geoscience Frontiers》《Rock Mechanics Bulletin》《西安电子科技大学学报》《Southwestern Institute of Physics Annual Report》更多>>
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A Nonlinear Explicit Model of A Non-Circular Subsea Tunnel-Liner System with An FGM Inverted Arch Under Mechanical Loading and Fire Fields被引量：1
《China Ocean Engineering》2024年第5期855-865,共11页HE Jie CHANG Guo-yong LIU Yang LI Zhao-chao 
supported by the Excellent Youth Foundation from the Department of Education,Hunan Province(Grant No.21B0533).
This paper proposes an explicit scheme to analyze the failure of a subsea polyhedral tunnel-liner system with an inverted arch under mechanical loading and fire fields.The thin-walled liner is made of Functionally Gra...
关键词：tunnel-liner system with an inverted arch volume fraction index mechanical and thermal loadings rehabilitation BUCKLING 
Formation estimation and evolution mechanism of the pressure arch for non-circular tunnels under asymmetrical stress field
《Science China(Technological Sciences)》2024年第9期2919-2938,共20页SUN ZhenYu ZHANG DingLi XU Tong CHEN Xu 
supported by the National Natural Science Foundation of China(Grant Nos.52208382, 52278387, and 51738002)。
The tunneling-induced stress redistribution is dependent on the tunnel shape and the in-situ stress field, and the previous arch characterization method based on the circumferential or maximum principal stresses is on...
关键词：pressure arch stress redistribution numerical simulation quantitative characterization longitudinal evolution parametric study 
A deformation criterion of pressurized non-circular cross-section cabin and its effects on cruise performance of BWB civil aircraft
《Chinese Journal of Aeronautics》2024年第6期78-88,共11页Siyi GUO Zhenli CHEN Xuanyu YAO 
supported partially by the National Key Laboratory Project,China(No.61422010201).
Blended-Wing-Body(BWB)aircraft is promoted as one of the most possible layouts to achieve more sustainable civil aviation.Due to the non-circular cross-section of the center-body,a bulge deformation forms over the upp...
关键词：Blended-Wing-Body(BWB) DEFORMATION PultrudedRod Stitched Effi-cient Unitized Structure(PRSEUS) Cabin structure Stiffness constraint 
Optics-based metaheuristic approach to assess critical failure surfaces in both circular and non-circular failure modes for slope stability analysis
《Rock Mechanics Bulletin》2024年第1期37-54,共18页Jayraj Singh Amit Kumar Verma Haider Banka Ravishankar kumar Amit Jaiswal 
In many construction projects,a proactive slope stability evaluation is a prerequisite.Although many deterministic or non-deterministic approaches have been commonly used,metaheuristic approaches have resulted in high...
关键词：OIO-Algorithm Metaheuristic algorithms Slope stability analysis Critical failure surface LEM'S procedure 
Structure design and rice threshing performance of the variable-speed inertial pulley for simulating artificial threshing
《International Journal of Agricultural and Biological Engineering》2024年第1期33-40,共8页Tiantian Jing Zhong Tang Shuaihua Hao Cheng Shen Ting Wang Meilin Wang 
the National Natural Science Foundation of China(Grant No.52175235);Key Laboratory of Intelligent Equipment and Robotics for Agriculture of Zhejiang Province(Grant No.2023ZJZD2302);Jiangsu Province and Education Ministry Co-sponsored Synergistic Innovation Center of Modern Agricultural Equipment(Grant No.XTCX2007);Taizhou Science and Technology Support Plan(Agriculture)Project(TN202219).
Due to the small models and compact structures,small harvesters have also caused problems such as poor threshing separation performance and large loss rates.In order to solve unstable cleaning effects of small harvest...
关键词：small harvesters fracture mechanism transient inertia force non-circular pulley 
Triad-displaced ULAs configuration for non-circular sources with larger continuous virtual aperture and enhanced degrees of freedom
《Journal of Systems Engineering and Electronics》2024年第1期81-93,共13页SHAIKH Abdul Hayee DANG Xiaoyu HUANG Daqing 
supported by the National Natural Science Foundation of China(62031017,61971221);the Fundamental Research Funds for the Central Universities of China(NP2020104)。
Non-uniform linear array(NULA)configurations are well renowned due to their structural ability for providing increased degrees of freedom(DOF)and wider array aperture than uniform linear arrays(ULAs).These characteris...
关键词：direction-of-arrival(DOA)estimation sparse array non-circular source(NCS) sum co-array difference co-array degrees of freedom(DOF) 
Spray Characteristics of Non-Circular Nozzle in Air-Assisted Injection System
《Journal of Harbin Institute of Technology(New Series)》2023年第2期61-72,共12页Lihua Ye Wenjing Liu Jie Li Aiping Shi 
Sponsored by the National Key R&D Project(Grant No.2019YFD1002500);the Key Projects of Science and Technology Support Plan of JiangsuP rovince(Grant No.BE2016341);the Open Fund of State Key Laboratory of Internal Combustion Engine(Grant No.GKF2015-004)。
In order to analyze the spray characteristics of non-circular nozzle holes based on the air-assisted spray system, the spray characteristics of circular and non-circular nozzles were studied under the pressure of 0.2-...
关键词：non-circular nozzle air-assisted injection system PIV spray cone angle velocity field 
Initial support distance of a non-circular tunnel based on convergence constraint method and integral failure criteria of rock被引量：9
《Journal of Central South University》2022年第11期3732-3744,共13页AN Xue-xu HU Zhi-ping SU Yan CAO Shuang-li TAO Lei ZHANG Yong-hui 
Project(2021JLM-49) supported by Natural Science Basic Research Program of Shaanxi-Joint Fund of Hanjiang to Weihe River Valley Water Diversion Project,China;Project(42077248) supported by the National Natural Science Foundation of China
For deep tunnel projects,selecting an appropriate initial support distance is critical to improving the self-supporting capacity of surrounding rock.In this work,an intuitive method for determining the tunnel’s initi...
关键词：tunnel engineering convergence confinement method integral failure criteria of rock non-circular tunnel initial supporting distance 
Determining a representative element volume for DEM simulations of samples with non-circular particles
《Particuology》2022年第9期29-43,共15页Peter Adesina Catherine O'Sullivan Tokio Morimoto Masahide Otsubo 
Peter Adesina's doctoral research is sponsored by the Commonwealth Scholarship Commission,UK and Imperial College London。
Numerical studies on the number of particles or system size required to attain a representative element volume(REV)for discrete element method(DEM)simulations of granular materials have almost always considered sample...
关键词：DEM Representative element volume Non-circular particles Particle shape Granular materials 
Design of flower transplanting mechanisms based on double planet carrier non-circular gear train with complete rotation kinematic pair被引量：3
《International Journal of Agricultural and Biological Engineering》2022年第3期9-15,共7页Xiong Zhao Xingxiao Ma Hongwei Liao Yongsen Xiong Yadan Xu Jianneng Chen 
The authors acknowledge that this work was financially supported by the National Natural Science Foundation of China(Grant No.32071909,51975536);the Key Research Projects of Zhejiang Province(Grant No.2022C02002,2021C02021);the Basic Public Welfare Research Projects of Zhejiang Province(Grant No.LGN20E050006);the Shanghai Science and technology agricultural Development Project(2021 No 4-1);the General Project of Agriculture and Social Development in Hangzhou(Grant No.20201203B92).
In view of the problems of the existing mechanisms based on 2R open-chain planetary gear train for seedling transplanting,such as the bad tracking flexibility,low positioning accuracy,and high structure design difficu...
关键词：3R open-chain planetary gear train complete rotation kinematic pair precise manipulation plug seedling 
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