ROUGH

作品数：508被引量：1508H指数：13
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Impact of injection rate on smooth and rough fracture activation in granite:Laboratory-scale acoustic emission analysis
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2133-2145,共13页Rihua Jiang Kang Duan Yinlin Ji Qiangyong Zhang Luchao Wang Yang Zheng 
supported by the National Key Research and Development Program of China (Grant No.2023YFB2390300)and the National Natural Science Foundation of China (Grant No.42172292);Yinlin Ji is grateful for the support by the Helmholtz Association's Initiative and Networking Fund for the Helmholtz Young Investigator Group ARES (Contract No.VH-NG-1516).
This study aims to understand the effect of injection rate on injection-induced fracture activation in granite.We performed water injection-induced slip tests on samples containing either a smooth or a rough fracture ...
关键词：Laboratory fracture Fracture activation Injection-induced fracture slip Injection rate Acoustic emission Seismogenic index 
Improved error estimates for a modified exponential Euler method for the semilinear stochastic heat equation with rough initial data
《Science China Mathematics》2024年第12期2873-2898,共26页Xinping Gui Buyang Li Jilu Wang 
supported by National Natural Science Foundation of China(Grant Nos.12071020,12131005 and U2230402);the Research Grants Council of Hong Kong(Grant No.Poly U15300519);an Internal Grant of The Hong Kong Polytechnic University(Grant No.P0038843,Work Programme:ZVX7)。
A class of stochastic Besov spaces BpL^(2)(Ω;˙H^(α)(O)),1≤p≤∞andα∈[−2,2],is introduced to characterize the regularity of the noise in the semilinear stochastic heat equation du−Δudt=f(u)dt+dW(t),under the fol...
关键词：semilinear stochastic heat equation additive noise space-time white noise exponential Euler method spectral method strong convergence stochastic Besov space real interpolation 
(q,r)boundedness of general rough pseudo-differential operators
《Frontiers of Mathematics in China》2024年第6期367-378,共12页Yiwu HE Xiangrong ZHU 
In this paper,we consider the(q,r)boundedness ofthe pseudo-differential operators with the amplitude a∈L^(P)S_(p)^(m)(p≥1,m∈R,0≤p≤1).When 0
关键词：Pseudo-differential operator rough Hrmander class (q r)boundedness 
On the global L^(1)-boundedness of Fourier integral operators with rough amplitude and phase functions
《Applied Mathematics(A Journal of Chinese Universities)》2024年第4期604-613,共10页Joachim Sindayigaya WU Xiao-mei HUANG Qiang 
Supported by the National Natural Science Foundation of China(11801518);the Natural Science Foundation of Zhejiang Province(LQ18A010005);the Science Foundation of Zhejiang Education Department(Y201738640)。
Let T_(ϕ,a)be a Fourier integral operator with amplitude a and phase functions ϕ.In this paper,we study the boundedness of Fourier integral operator of rough amplitude a∈L^(∞)S_(ρ)^(m)and rough phase functionsϕ∈L^...
关键词：Fourier integral operators L1-Boundedness rough amplitude rough phase functions 
Shear mechanical properties and fracturing responses of layered rough jointed rock-like materials
《International Journal of Minerals,Metallurgy and Materials》2024年第11期2417-2434,共18页Xinxin Nie Qian Yin Manchao He Qi Wang Hongwen Jing Bowen Zheng Bo Meng Tianci Deng Zheng Jiang Jiangyu Wu 
financial support from the National Natural Science Foundation of China(Nos.52174092,51904290,52004272,52104125,42372328,and U23B2091);Natural Science Foundation of Jiangsu Province,China(Nos.BK20220157 and BK20240209);the Fundamental Research Funds for the Central Universities,China(No.2022YCPY0202);Xuzhou Science and Technology Project,China(Nos.KC21033 and KC22005);Yunlong Lake Laboratory of Deep Underground Science and Engineering Project,China(No.104023002);the Graduate Innovation Program of China University of Mining and Technology(No.2023WLTCRCZL052)。
This study aims to investigate mechanical properties and failure mechanisms of layered rock with rough joint surfaces under direct shear loading.Cubic layered samples with dimensions of 100 mm×100 mm×100 mm were cas...
关键词：layered samples anisotropic angle joint roughness coefficient mechanical properties acoustic emission response fracturing evolution failure modes 
LÉVY AREA ANALYSIS AND PARAMETER ESTIMATION FOR FOU PROCESSES VIA NON-GEOMETRIC ROUGH PATH THEORY
《Acta Mathematica Scientia》2024年第5期1609-1638,共30页Zhongmin QIAN Xingcheng XU 
supported by Shanghai Artificial Intelligence Laboratory.
This paper addresses the estimation problem of an unknown drift parameter matrix for a fractional Ornstein-Uhlenbeck process in a multi-dimensional setting.To tackle this problem,we propose a novel approach based on r...
关键词：Itôintegration Lévy area non-geometric rough path fOU processes pathwise stability long time asymptotic high-frequency data 
Empirical prediction of hydraulic aperture of 2D rough fractures:a systematic numerical study
《Frontiers of Earth Science》2024年第3期579-597,共19页Xiaolin WANG Shuchen LI Richeng LIU Xinjie ZHU Minghui HU 
funded by National Key R&D Program of China(No.2022YFE0128300);National Natural Science Foundation of China(Grant Nos.52379114 and 52379113);Natural Science Foundation of Jiangsu Province,China(No.BK20211584);the Assistance Program for Future Outstanding Talents of the China University of Mining and Technology(No.2023WLKXJ187);the Postgraduate Research&Practice Innovation Program of Jiangsu Province(No.KYCX23_2746).
This study aims to propose an empirical prediction model of hydraulic aperture of 2D rough fractures through numerical simulations by considering the influences of fracture length,average mechanical aperture,minimum m...
关键词：fluid flow rough fracture surface mechanical aperture hydraulic aperture predictive model 
Combined effect of WS_(2) and Ti_(3)C_(2)T_(x) MXene favors oil-based ultra-low friction on rough steel-steel interface at elevated temperatures
《Science China(Technological Sciences)》2024年第7期1991-2002,共12页LIU YangQin CHEN Lei WANG Yang QIAN LinMao 
supported by the National Natural Science Foundation of China (Grant Nos. 52122507, 52350411, 52235004, and 52305214);the Sichuan Science and Technology Program (Grant Nos. 2023NSFSC1988, 2023YFSY0004);the Fundamental Research Funds for the Central Universities (Grant No. 2682021ZTPY095);the Independent Project of State Key Laboratory of Rail Transit Vehicle System (Grant No. 2023TPLT04)。
The lubrication performance of liquids is severely restricted and is degraded in high-temperature environments. Stable and reliable lubrication in high temperature environments has been a long-standing goal in various...
关键词：ultra-low friction high-temperature wear reduction lubricating additive tungsten disulfide MXene 
Shear mechanical properties and frictional sliding responses of rough joint surfaces under dynamic normal displacement conditions
《Journal of Central South University》2024年第7期2393-2410,共18页ZHU Qiang YIN Qian TAO Zhi-gang HE Man-chao ZHENG Bo-wen JING Hong-wen REN Shu-lin ZHANG Qiang MENG Bo BAI Dong-feng WU Sai-sai WU Jiang-yu 
Projects(52174092,51904290)supported by the National Natural Science Foundation,China;Project(BK20220157)supported by the Natural Science Foundation of Jiangsu Province,China;Project(232102321009)supported by Henan Province Science and Technology Key Project,China;Project(2022YCPY0202)supported by Fundamental Research Funds for the Central Universities,China。
A comprehensive understanding of the dynamic frictional characteristics in rock joints under high normal load and strong confinement is essential for ensuring the safety of deep engineering construction and mitigating...
关键词：dynamic normal displacement shear strength variations phase lag phenomenon STICK-SLIP 
Experimental Study on Vortex-Induced Vibration of Rough Risers Coupling with Interference Effect in Tandem Arrangement
《China Ocean Engineering》2024年第3期394-407,共14页HU Ze-bo LIU Zhen LI Peng GUO Hai-yan REN Xiao-hui HOU Hao HAO Lian-hong 
supported by the Natural Science Foundation of Shandong Province(Grant Nos.ZR2023ME040 and ZR2022QE118);the Key Technology Research and Development Program of Shandong Province(Grant No.2023CXGC010316);the Natural Science Foundation of Qingdao(Grant No.23-2-1-207-zyyd-jch),and the National Natural Science Foundation of China(Grant No.51709161).
In order to study the response law of vortex-induced vibration(VIV)of marine risers under the combined action of roughness and interference effects,and to reveal the coupling mechanism of roughness and interference ef...
关键词：marine riser vortex-induced vibration tandem arrangement ROUGHNESS interference effect 
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