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COHESIVE: 作品数：175被引量：363H指数：8; 导出分析报告; 相关作者：刘伟先王新峰周光明魏强李尚昆更多>>; 相关机构：南京航空航天大学西北工业大学西安石油大学天津大学更多>>; 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江苏高校优势学科建设工程资助项目国家科技支撑计划更多>>

A cohesive-frictional elastoplastic constitutive model for rock joint: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第2期1068-1084,共17页Hongying Wang Qiang Zhang Richeng Liu Tao Li Xiaowei Quan Yujing Jiang; financial support from the National Natural Science Foundation of China(Grant Nos.52074269,52474157 and 51979272).; Rock joints always have a smaller strength,and it plays an important influence on the overall strength of rock mass.The mechanical behavior of rock joints is mainly governed by the surface topography,normal stress,and...; 关键词：Rock joint Shear test Mechanical behavior Constitutive model Joint roughness coefficient

刃宽对硬岩掘进影响的仿真及试验研究: 《工程科学学报》2025年第1期13-24,共12页尚勇孙靖东姜海峰许顺海段红磊孙朝阳; 国家重点研发计划资助项目(2022YFE0123700);国家自然科学基金资助项目(52161145407,U22A20186);北京建龙重工集团有限公司资助项目(2023-1222)。; 滚刀在硬岩掘进中极易发生崩刃、偏磨等异常失效,研究硬岩掘进条件下刃型参数对滚刀破岩载荷和破岩效率的影响十分重要.本文采用滚刀破岩试验和仿真分析相结合的方法,从载荷曲线、破岩体积、破岩比能等方面分析了刃宽对滚刀破岩的影响....; 关键词：滚刀刃宽 Cohesive模型线切割试验破岩载荷破岩效率

空间非合作目标粘附捕获动力学建模与仿真研究: 《载人航天》2024年第6期815-824,共10页袁越宇季如国张晓龙刘晓峰; 国家自然科学基金项目(12172215)。; 针对使用粘附抓捕方法进行空间非合作目标捕获能力界限不清的问题,对具有Stewart碰撞缓冲平台的服务航天器的粘附抓捕动力学建模问题展开研究,提出了基于混合坐标多柔体动力学建模方法、罚函数接触建模方法和Cohesive模型的粘附捕获动...; 关键词：空间非合作目标粘附捕获动力学建模混合坐标 Cohesive模型

Arch formation mechanism and discharge process of cohesive fine powder in a vibrated silo: 《Particuology》2024年第11期373-385,共13页Jingzhen Zhu Kun Wang Yu Ma Wentao Xu Jiecai Long Xiwen Li; The arch formation mechanism and discharge process of a very cohesive fine powder(calcium carbonate)in a vibrated silo was investigated by experiments and discrete element method(DEM)simulations.An experimental setup ...; 关键词：Cohesive fine powder Silo discharge Vertical vibration Arch formation Flow rate Discrete element method

Evaluation of the combined influence of geological layer property and in-situ stresses on fracture height growth for layered formations: 《Petroleum Science》2024年第5期3222-3236,共15页Peng Tan Zhao-Wei Chen Liu-Ke Huang Qing Zhao Sha-Rui Shao; the funding provided by the National Natural Science Foundation of China (No. 52334001, No. 42372337);National Key Research and Development Program of China (No. SQ2023YFE0100562);CPET Industrialization Fund Project (No. CPETCY202417);Natural Science Starting Project of SWPU (No. 2022QHZ009)。; Fracture geometry is important when stimulating low-permeability reservoirs for natural gas or oil production. The geological layer(GL) properties and contrasts in in-situ stress are the two most important parameters ...; 关键词：Deep shale Hydraulic fracturing HF propagation Fracture interaction Cohesive zone method

Semantic-aware coordinated transmission in cohesive clustered satellites:utility of information perspective被引量：1: 《Science China(Information Sciences)》2024年第9期334-335,共2页Liang XU Jian JIAO Shiyao JIANG Ye WANG Qinyu ZHANG; supported in part by National Natural Science Foundation of China(Grant Nos.62071141,62027802);Shenzhen Science and Technology Program(Grant Nos.JSGG20220831110801003,GXWD20231127123203001);Fundamental Research Funds for the Central Universities(Grant No.HIT.OCEF.2024046);Major Key Project of PCL(Grant No.PCL2024A01)。; The cohesive clustered satellite(CCS)concept integrates diverse satellite payloads from different orbits,such as communication,remote sensing,and navigation satellites,into mobile,geometrically stable clusters for eff...; 关键词：PAYLOAD SATELLITES COORDINATED

Seismic-induced surficial failure of cohesive slopes using three-dimensional limit analysis:A case study of the Wangjiayan landslide in Beichuan, China: 《Earthquake Engineering and Engineering Vibration》2024年第3期537-545,共9页Gao Yufeng Liu Yang Geng Weijuan Zhang Fei; National Natural Science Foundation of China under Grant Nos.52378335 and 52322808.; A seismic-induced landslide is a common geological catastrophe that occurs in nature.The Wangjiayan landslide,which was triggered by the Wenchuan earthquake,is a typical case in point.The Wanjiayan landslide caused ma...; 关键词：LANDSLIDE Wenchuan earthquake surficial failure limit analysis stability QUASI-STATIC

Extended finite element-based cohesive zone method for modeling simultaneous hydraulic fracture height growth in layered reservoirs被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第8期2960-2981,共22页Lei Yang Baixi Chen; In this study,a fully coupled hydromechanical model within the extended finite element method(XFEM)-based cohesive zone method(CZM)is employed to investigate the simultaneous height growth behavior of multi-cluster hy...; 关键词：Hydraulic fracturing Layered reservoir Simultaneous height growth In situ stress Fracture spacing Extended finite element method(XFEM) Cohesive zone method(CZM)

Analysis of cohesive particles mixing behavior in a twin-paddle blender:DEM and machine learning applications被引量：1: 《Particuology》2024年第7期350-363,共14页Behrooz Jadidi Mohammadreza Ebrahimi Farhad Ein-Mozaffari Ali Lohi; the Natural Sciences and Engineering Research Council of Canada(grant No.RGPIN-2019-04644)is gratefully acknowledged.; This research paper presents a comprehensive discrete element method(DEM)examination of the mixing behaviors exhibited by cohesive particles within a twin-paddle blender.A comparative analysis between the simulation a...; 关键词：Machine learning Granular mixing Discrete element method Mixing kinetics and mechanism Cohesive particles

Finite Element Simulations of the Localized Failure and Fracture Propagation in Cohesive Materials with Friction: 《Computer Modeling in Engineering & Sciences》2024年第7期997-1015,共19页Chengbao Hu Shilin Gong Bin Chen Zhongling Zong Xingwang Bao Xiaojian Ru; supported by Zhejiang Provincial Natural Science Foundation of China under Grant Nos.LQ23E080001 and LTGG23E080002;National Natural Science Foundation of China under Grant No.12272334;Zhejiang Engineering Research Center of Intelligent Urban Infrastructure(No.IUI2023-YB-07).; Strain localization frequently occurs in cohesive materials with friction(e.g.,composites,soils,rocks)and is widely recognized as a fundamental cause of progressive structural failure.Nonetheless,achieving high-fideli...; 关键词：FEM analysis strong discontinuity nonlinear soil rupture cohesive zone model tension-compression-shear coupling

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