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ASPERITIES: 作品数：22被引量：28H指数：3; 导出分析报告; 相关领域：天文地球更多>>; 相关期刊：《Acta Mechanica Solida Sinica》《International Journal of Mining Science and Technology》《Friction》《Journal of Rock Mechanics and Geotechnical Engineering》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更多>>

A quantitative model of triboelectric charge transfer: 《Friction》2025年第2期73-87,共15页Karl P.Olson Laurence D.Marks; supported by the Northwestern University McCormick School of Engineering,USA.; Triboelectricity,when rubbing or contacting materials causes electric charge transfer,is ubiquitous across many fields,and has been studied in detail for centuries.Despite this,a complete description of triboelectrici...; 关键词：TRIBOELECTRICITY FLEXOELECTRICITY ASPERITIES charge transfer contact mechanics ELECTROMECHANICS

Modeling and characterization of contact behavior of asperities with irregular shapes: 《Theoretical & Applied Mechanics Letters》2025年第1期32-42,共11页Jiaxin Huang Chen Sun Jubing Chen; supported by the National Natural Science Foundation of China(Grant Nos.12272227 and 11732009).; This paper introduces a model for characterizing the contact behavior of irregular asperities,transforming it into a superposition of sinusoidal asperity contact behaviors.A new sinusoidal asperity model is developed ...; 关键词：Experimental characterization Finite element method Plastic deformation Asperity contact

Major Asperities that Ruptured in Large California Earthquakes, Surrounding Pre-Shocks, and Some Yearly to Decadal Precursory Changes in Seismic Activity: 《International Journal of Geosciences》2025年第1期99-125,共27页Lynn R. Sykes; Double-difference locations of forerunning shocks of seismic magnitude, M, 2 to 6 are examined in the months to decades before 11 mainshocks in California of magnitude 6 and larger. Each of the 11 had large quiet zone...; 关键词：Active Faults Plate Boundaries California Double-Difference Locations San Andreas Fault ASPERITIES Forecasts Predictions SEISMOLOGY

Numerical parametric study on the influence of location and inclination of large-scale asperities on the shear strength of concreterock interfaces of small buttress dams被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第10期4319-4329,共11页Dipen Bista Adrian Ulfberg Leif Lia Jaime Gonzalez-Libreros Fredrik Johansson Gabriel Sas; the Research Council of Norway(Grant No.244029);the project‘Stable dams’,FORMAS(Grant No.2019e01236);the project‘Improved safety assessment of concrete dams’,and SVC(Grant No.VKU32019);the project‘Safe dams’,that supported the development of the research presented in this article.; When assessing the sliding stability of a concrete dam,the influence of large-scale asperities in the sliding plane is often ignored due to limitations of the analytical rigid body assessment methods provided by curre...; 关键词：Concrete dam Buttress dam SLIDING Shear strength Concrete-rock interface Asperity inclination Asperity location

Study of hydro-mechanical behaviours of rough rock fracture with shear dilatancy and asperities using shear-flow model被引量：1: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第10期4004-4016,共13页Luyu Wang Weizhong Chen Qun Sui; support from the National Natural Science Foundation of China(Grant Nos.51991392 and 42293355).; The geometric properties of fracture surfaces significantly influence shear-seepage in rock fractures,introducing complexities to fracture modelling.The present study focuses on the hydro-mechanical behaviours of roug...; 关键词：Rock fracture Stress-seepage coupling Shear-flow model Fracture asperity Shear dilatancy

Characterization of Read/Write Head Shield Asperities in Hard Disk Drives: 《Materials Sciences and Applications》2023年第9期439-457,共19页Guilherme Parente Souza; A new way to characterize asperities on metallic surfaces at the nanometer scale is proposed. Asperities are often treated using conventional statistical descriptors such as average and root mean square roughness, whi...; 关键词：DLC AFM Surface Characterization Thin Film HDD

Dual threshold search method for asperity boundary determination based on geodetic and seismic catalog data被引量：1: 《Geodesy and Geodynamics》2022年第4期301-310,共10页Xiaohang Wang Zhongzheng Zhou Caijun Xu Yangmao Wen Hu Liu; This work is supported by the National Key Research and Development Plan of China under Grants No.2018YFC1503604;the National Natural Science Foundation of China under Grants No.41721003,No.42074007;the Key Laboratory of Geospace Environment and Geodesy,Ministry of Education,Wuhan University,No.19-01-08。; As an important model for explaining the seismic rupture mode,the asperity model plays an important role in studying the stress accumulation of faults and the location of earthquake initiation.Taking Qilian-Haiyuan fa...; 关键词：GPS Earthquake catalog Dual threshold search method ASPERITIES Haiyuan fault

New analytical model of elastic-plastic contact for three-dimensional rough surfaces considering interaction of asperities被引量：4: 《Friction》2022年第2期217-231,共15页Yuqin WEN Jinyuan TANG Wei ZHOU Lin LI Caichao ZHU; The authors gratefully acknowledge the support of the National Natural Science Foundation of China(Nos.51705142,51535012,U1604255);the Key Research and Development Project of Hunan province(Nos.2016JC2001 and 2018JJ3162);and the Fundamental Research Funds for the Central Universities of Central South University(No.2019zzts255).; The contact calculation of three-dimensional real rough surfaces is the frontier field of tribology and surface science.In this study,we consider the interaction and elastic-plastic deformation characteristics of aspe...; 关键词：calculation method contact analysis interaction of asperities rough surface

Lattice-Boltzmann simulations for analysing the detachment of micron-sized spherical particles from surfaces with large-scale roughness structures: 《Particuology》2022年第2期47-59,共13页Yan Cui Martin Sommerfeld; supported by the Chinese Fundamental Research Funds for the Central Universities of the project No.2020kfyXJJS065.; Fully resolved numerical simulations of a micron-sized spherical particle residing on a surface with large-scale roughness are performed by using the Lattice-Boltzmann method.The aim is to investigate the influence of...; 关键词：Lattice-Boltzmann method Fully-resolved simulations Particle detachment Surface roughness Semi-cylindrical asperities Particle detachment model

Decadal Seismicity before Great Earthquakes—Strike-Slip Faults and Plate Interiors: Major Asperities and Low-Coupling Zones被引量：2: 《International Journal of Geosciences》2021年第9期784-833,共50页Lynn R. Sykes; Decadal forerunning seismic activity is examined for very large, shallow earthquakes along strike-slip and intraplate faults of the w...; 关键词：EARTHQUAKES Strike-Slip Faults Transform Faults INTRAPLATE Prediction Plate Coupling ASPERITIES

ASPERITIES