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BOUNDARY: 作品数：1644被引量：2928H指数：20; 导出分析报告; 相关领域：理学更多>>; 相关作者：王瑞虹江亮刘锋黄岚陈桂芬更多>>; 相关机构：天津大学北京航空航天大学中国科学院北京理工大学更多>>; 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国家教育部博士点基金更多>>

Development of physical model test system for fault-slip induced rockburst in underground coal mining: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2227-2238,共12页Bei Jiang Kunbo Wu Qi Wang Hongpu Kang Bowen Zhang Zhaosen Zhang Chen Chen; support from the National Natural Science Foundation of China (Grant Nos.51927807,42077267 and 42277174).; A complex geological environment with faults can be encountered in the process of coal mining.Fault activation can cause instantaneous structure slipping,releasing a significant amount of elastic strain energy during ...; 关键词：Fault slip ROCKBURST Physical model Boundary energy compensation Deformation and failure characteristics

Physical structures of boundary fluxes of orbital rotation and spin for incompressible viscous flow: 《Applied Mathematics and Mechanics(English Edition)》2025年第4期745-762,共18页Tao CHEN Tianshu LIU; Project supported by the National Natural Science Foundation of China(No.12402262)。; Vorticity is locally generated on a boundary at a rate measured by the boundary vorticity flux(BVF),which can be further decomposed into the sum of the orbital rotation and the generalized spin(specifically,the sum of...; 关键词：boundary vorticity flux(BVF) orbital rotation SPIN boundary enstrophy dynamics Lyman vorticity dynamics

Boundary blow-up analysis for approximate Dirac-harmonic maps into stationary Lorentzian manifolds: 《Science China Mathematics》2025年第3期649-676,共28页Wanjun Ai Lei Liu Miaomiao Zhu; supported by National Natural Science Foundation of China (Grant No. 12201515);the Natural Science Foundation of Chongqing, China (Grant No. cstc2021jcyj-msxmX1058);the China Scholarship Council (Grant No. 202206995009);supported by National Natural Science Foundation of China (Grant No. 12101255).;supported by Innovation Program of Shanghai Municipal Education Commission (Grant No. 2021-01-07-00-02-E00087);National Natural Science Foundation of China (Grant No. 12171314);Shanghai Frontier Science Center of Modern Analysis。; For a sequence of approximate Dirac-harmonic maps from a Riemannian surface with a smooth boundary into a stationary Lorentzian manifold, we study the boundary blow-up analysis and prove the positive energy identity f...; 关键词：Dirac-harmonic maps boundary regularity BLOW-UP Lorentzian manifolds

Blow-Up Solutions in a Parabolic Equation with Variable Coefficients and Memory Boundary Flux: 《Chinese Quarterly Journal of Mathematics》2025年第1期74-81,共8页ZHANG An-lei LIU Bing-chen; Supported by Shandong Provincial Natural Science Foundation(Grant Nos.ZR2021MA003 and ZR2020MA020).; This paper deals with a semilinear parabolic problem involving variable coefficients and nonlinear memory boundary conditions.We give the blow-up criteria for all nonnegative nontrivial solutions,which rely on the beh...; 关键词：Semilinear parabolic equation Nonlinear memory boundary flux Variable coefficient BLOW-UP

Discussion on isolation of flexible beams with various support configurations: 《Acta Mechanica Sinica》2025年第2期216-236,共21页Jun-Ning Zhang Xiao-Ye Mao Hu Ding Li-Qun Chen; This work was supported by the National Natural Science Foundation of China(Grant Nos.12002195 and 12372015);the National Science Fund for Distinguished Young Scholars(Grant No.12025204);the Program of Shanghai Municipal Education Commission(Grant No.2019-01-07-00-09-E00018).; This work discusses the strain and acceleration suppression of a flexible beam subjected to different supports analytically.As classical protection,the beam is mounted on a vertical linear spring together with a linea...; 关键词：Flexible continuum Boundary isolation Quasi-zero isolation Nonlinear isolation Linear isolation

The Number of Boundary H-points of Convex H-quadrilateral: 《数学进展》2025年第1期177-186,共10页WEI Xianglin ZHU Weili; Supported by NSFC(No.12271139)。; An H-polygon is a polygon with corners in the set of vertices of a tiling of R~2 by regular hexagons of unit edge.It is known that any H-triangle with exactly k interior H-points can have at most 3k+7 boundary H-point...; 关键词：discrete geometry regular hexagonal tiling H-quadrilateral H-point

Two-Stage Scheduling Model for Flexible Resources in Active Distribution Networks Based on Probabilistic Risk Perception: 《Energy Engineering》2025年第2期681-707,共27页Yukai Li Ruixue Zhang Yongfeng Ni Hongkai Qiu Yuning Zhang Chunming Liu; supported by Key Technology Research and Application of Online Control Simulation and Intelligent Decision Making for Active Distribution Network(5108-202218280A-2-377-XG).; Aiming at the problems of increasing uncertainty of low-carbon generation energy in active distribution network(ADN)and the difficulty of security assessment of distribution network,this paper proposes a two-phase sch...; 关键词：Core operation boundary probabilistic power flow risk perception optimize scheduling flexible resource

Formation and solute segregation for an asymmetric tilt boundary on{1012}twin boundaries: 《Journal of Magnesium and Alloys》2025年第2期583-591,共9页Qiang Yang Shuhui Lv Peng Chen Zefeng Xie Shuo Zhou Xin Qiu; supported by the Scientific and Technological Developing Scheme of Jilin Province under grants no.YDZJ202301ZYTS538;the Chinese Academy of Sciences Youth Innovation Promotion Association under grants number 2023234;the National Natural Science Foundation of China under grants number U21A20323;the Scientific and Technological Developing Scheme of Jilin Province under grants no.SKL202302038;the Major Scientific and Technological Projects of Hebei Province under grants No.23291001Z;the Scientific and Technology Project of Hanjiang District.; Asymmetric tilt boundaries on conventional twin boundaries(TBs)are significant for understanding the role of twins on coordinating plastic deformation in many metallic alloys.However,the formation modes of many asymme...; 关键词：Magnesium alloy Transmission electron microscopy Twin boundary DISLOCATION SEGREGATION

A Boundary-Type Meshless Method for Traction Identification in Two-Dimensional Anisotropic Elasticity and Investigating the Effective Parameters: 《Computers, Materials & Continua》2025年第2期3069-3090,共22页Mohammad-Rahim Hematiyan; funded by Vice Chancellor of Research at Shiraz University(grant 3GFU2M1820).; The identification of the traction acting on a portion of the surface of an anisotropic solid is very important in structural health monitoring and optimal design of structures. The traction can be determined using in...; 关键词：Traction identification inverse method anisotropic elasticity load identification method of fundamental solutions measurement location

Applicability of Different Indices for Delineating the Boundary of Arid Region:A Case Study in Northwestern China: 《Journal of Earth Science》2025年第1期212-222,共11页Xue Peng Xiang Li Yingyibing Shen Xuehua Che Shipei Dong Zhuolun Li; supported by the National Natural Science Foundation of China(Nos.42271003,42301001);the Fundamental Research Funds for the Central Universities(No.lzujbky-2022-ey09);the China Postdoctoral Science Foundation(No.GZB20230275);Supercomputing Center of Lanzhou University。; Arid regions are vital components of Earth’s land surface.Clarifying the area/boundary of arid region is crucial for comprehending area changes and potential mechanisms.However,the accuracy and applicability of arid ...; 关键词：climate regionalization arid region climate change northwestern China Earth Science

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