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ECCENTRICITY: 作品数：86被引量：124H指数：5; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：赵向阳葛文韬吴德正张欣余敏忠更多>>; 相关机构：北京航空航天大学中山大学南方医科大学华南师范大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金中国航空科学基金更多>>

Experimental and numerical study of buckling-restrained braces configured with out-of-plane eccentricity under cyclic loading: 《Earthquake Engineering and Engineering Vibration》2024年第4期957-971,共15页Cao Yongsheng Zhou Yun Takagi Jiro Jiang Ke Deng Xuesong Fang Xiaojun; National Natural Science Foundation of China under Grant No.51978184。; This study focuses on variations in the hysteretic behavior of buckling-restrained braces(BRBs)configured with or without out-of-plane eccentricity under cyclic loading.Quasi-static experiments and numerical simulatio...; 关键词：buckling-restrained brace out-of-plane eccentricity EXPERIMENT numerical simulation mechanical properties

Failure evaluation mechanism of cement sheath sealing integrity under casing eccentricity during multistage fracturing: 《Petroleum Science》2024年第5期3428-3445,共18页Yan Xi Yu Yao Xue-Li Guo Jun Li Yu-Dong Tian Gong-Hui Liu; financially supported by the National Natural Science Foundation of China (Grant No. 52374001, No. 52004013)。; A microannulus(MA) is the primary reason for sustained casing pressure in multi-stage fractured-shale gas wells. However, the effect of the casing eccentricity on the long horizontal section has not been considered. I...; 关键词：Cement sheath Microannulus Casing eccentricity Numerical simulation

3D modeling for effect of tool eccentricity on coupled thermal and material flow characteristics during friction stir welding: 《Transactions of Nonferrous Metals Society of China》2024年第10期3309-3325,共17页Hao SU Ji CHEN Chuan-song WU; the financial support from the National Natural Science Foundation of China (Nos. 52005297, 52035005);the Key Research and Development Program of Shandong Province, China (No. 2021ZLGX01)。; A novel three-dimensional numerical model is proposed to investigate the effect of tool eccentricity on the coupled thermal and material flow characteristics in friction stir welding(FSW) process.An asymmetrical bound...; 关键词：friction stir welding tool eccentricity thermal behavior periodic material flow numerical simulation

Design and Performance Analysis of HMDV Dynamic Inertial Suspension Based on Active Disturbance Rejection Control: 《Computer Modeling in Engineering & Sciences》2024年第8期1485-1506,共22页Xiaofeng Yang Wei Wang Yujie Shen Changning Liu Tianyi Zhang; the National Natural Science Foundation of China(Grant Numbers 52072157,52002156,52202471);Natural Science Foundation of Jiangsu Province(Grant Number BK20200911);Chongqing Key Laboratory of Urban Rail Transit System Integration and Control Open Fund(Grant Number CKLURVIOM_KFKT_2023001);Jiangsu Funding Program for Excellent Postdoctoral Talent(Grant Number 2022ZB659);State Key Laboratory of Advanced Design and Manufacturing Technology for Vehicle,Hunan University(Grant Number 82315004).; This paper addresses the impact of vertical vibration negative effects,unbalanced radial forces generated by the static eccentricity of the hub motor,and road excitation on the suspension performance of Hub Motor Driv...; 关键词：HMDV static eccentricity ADRC dynamic inertial suspension road excitation

The Complete Classification of Graphs whose Second Largest Eigenvalue of the Eccentricity Matrix is Less Than 1: 《Acta Mathematica Sinica,English Series》2024年第7期1741-1766,共26页Jian Feng WANG Xing Yu LEI Shu Chao LI Zoran STANIC; supported by the Special Fund for Taishan Scholars Project;the IC Program of Shandong Institutions of Higher Learning For Youth Innovative Talents;supported by the National Natural Science Foundation of China (Grant No. 12371353);supported by the Science Fund of the Republic of Serbia grant number 7749676:Spectrally Constrained Signed Graphs with Applications in Coding Theory and Control Theory–SCSG-ctct; The eccentricity matrix of a graph is obtained from the distance matrix by keeping the entries that are largest in their row or column,and replacing the remaining entries by zero.This matrix can be interpreted as an o...; 关键词：Eccentricity matrix EIGENVALUE diameter principal submatrix forbidden subgraph

The Effect of Core Eccentricity on the Structural Behavior of Concrete Tall Buildings: 《Journal of Civil Engineering and Architecture》2024年第3期112-117,共6页Tarek Anwar Taha Awida; The main purpose of this paper is to investigate the effect of core eccentricity on the structural behavior of concrete tall buildings.Concrete buildings of 55 floors with plan dimensions 48.0×48.0 m2 were investigat...; 关键词：Concrete tall buildings core eccentricity structural behavior GRAVITY WIND seismic loadings

中新世气候适宜期构造运动加速全球海洋碳循环: 《Science Bulletin》2024年第6期823-832,共10页刘丰豪杜金龙黄恩清马文涛马小林 Lucas J.Lourens 田军; supported by the National Natural Science Foundation of China(42122042,42030403,and 42188102);the Fundamental Research Funds for the Central Universities(22120220531);the Shanghai Pilot Program for Basic Research;the Netherlands Earth System Science Centre(024.002.001)。; Global warming during the Miocene Climate Optimum(MCO,~17-14 million years ago)is associated with massive carbon emissions sourced from the flood basalt volcanism and ocean crustal production.However,the perturbation ...; 关键词：Global warming Eccentricity cycle Carbon cycle Low-latitude hydrological cycle

Improved Data Stream Clustering Method: Incorporating KD-Tree for Typicality and Eccentricity-Based Approach: 《Computers, Materials & Continua》2024年第2期2557-2573,共17页Dayu Xu Jiaming Lu Xuyao Zhang Hongtao Zhang; This research was funded by the National Natural Science Foundation of China(Grant No.72001190);by the Ministry of Education’s Humanities and Social Science Project via the China Ministry of Education(Grant No.20YJC630173);by Zhejiang A&F University(Grant No.2022LFR062).; Data stream clustering is integral to contemporary big data applications.However,addressing the ongoing influx of data streams efficiently and accurately remains a primary challenge in current research.This paper aims...; 关键词：Data stream clustering TEDA KD-TREE scapegoat tree

A novel algorithm for evaluating cement azimuthal density based on perturbation theory in horizontal well: 《Petroleum Science》2024年第1期244-251,共8页Ji-Lin Fan Feng Zhang Qian Chen Hao-Chen Song Lu-Yu Zhong Yue-Xiang Dai; The authors would like to acknowledge the support of the National Natural Science Foundation of China(41974127,42174147).References。; Cement density monitoring plays a vital role in evaluating the quality of cementing projects,which is of great significance to the development of oil and gas.However,the presence of inhomogeneous cement distribution a...; 关键词：Cement azimuthal density Perturbation theory Casing eccentricity Spatial dynamic response function Regularized Newton iteration

Study of beam divergence and thrust vector eccentricity characteristics of the Hall thruster based on dual Faraday probe array planes and its applications: 《Plasma Science and Technology》2023年第5期104-115,共12页陈新伟赵勇田恺高俊孙明明孙新锋郭宁张宏王尚民冯杰陈焘耿海杨俊泰史楷; the Key Laboratory Funds for Science and Technology on Vacuum Technology and Physics Laboratory(No.HTKJ2022KL510002);the Military Test Instruments Program(No.2006ZCTF0054)。; The accurate knowledge of the thrust vector eccentricity and beam divergence characteristics of Hall thrusters are of significant engineering value for the beneficial integration and successful application of Hall thr...; 关键词：Hall thruster beam divergence thrust vector eccentricity dual Faraday probe array planes

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