WAVE_PROPAGATION

作品数:329被引量:519H指数:9
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相关作者:杨宝俊郑海山张中杰马俊王克协更多>>
相关机构:吉林大学中国石油天然气集团公司南京航空航天大学更多>>
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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>>
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Examining theoretical applicability of displacement discontinuity model to wave propagation across rock discontinuities
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2146-2158,共13页Yan Zhang Jianbo Zhu Haohao Xu Dongya Han Weiyue Bao 
supported by the National Key R&D Program of China (No.2022YFC3004602);the National Natural Science Foundation of China (No.52325404);the Shenzhen Science and Technology Program (No.JCYJ20220818095605012).
Rock discontinuities such as joints widely exist in natural rock masses,and wave attenuation through rock masses is mainly caused by discontinuities.The displacement discontinuity model(DDM)has been widely used in the...
关键词:Displacement discontinuity model Wave propagation 3D printing Joint stiffness Joint roughness 
A program for modeling the RF wave propagation of ICRF antennas utilizing the finite element method
《Chinese Physics B》2025年第4期154-160,共7页Lei-Yu Zhang Yi-Xuan Li Ming-Yue Han Quan-Zhi Zhang 
Project supported by the National MCF Energy R&D Program(Grant No.2022YFE03190100);the National Natural Science Foundation of China(Grant Nos.12422513,12105035,and U21A20438);the Xiaomi Young Talents Program.
Controlled nuclear fusion represents a significant solution for future clean energy,with ion cyclotron range of frequency(ICRF)heating emerging as one of the most promising technologies for heating the fusion plasma.T...
关键词:ion cyclotron range of frequency(ICRF)antennas finite element method perfect matching layer 
Three-dimensional simulations of RF wave propagation and power coupling in cold magnetized plasma near an ICRF antenna
《Chinese Physics B》2025年第2期352-360,共9页Lei-Yu Zhang Yi-Xuan Li Quan-Zhi Zhang 
Project supported by the National MCF Energy Research and Development Program(Grant No.2022YFE03190100);the National Natural Science Foundation of China(Grant Nos.12422513,12105035,and U21A20438);the Xiaomi Young Talents Program。
The electromagnetic wave propagations and their coupling characteristics in magnetized plasma near the antenna of ion cyclotron range of frequencies(ICRF)is studied based on self-developed 3DFEM-IA code.This code effe...
关键词:magnetized plasma antenna of ion cyclotron range of frequencies(ICRF) power coupling 
Underwater cylindrical sandwich meta-structures composed of graded semi re-entrant zero Poisson’s ratio metamaterials with pre-strained wave propagation properties
《Journal of Ocean Engineering and Science》2024年第6期541-553,共13页Qing Li Zeping Wang Xiang Mao Deqing Yang 
support provided to the first author by the Natural Science Foundation of China(No.52201371);the Postdoctoral Science Foundation of China(No.2021M692043);the Postdoctoral Excellence Program of Shanghai(No.2021200)is gratefully acknowledged.
Zero Poisson’s ratio(ZPR)mechanical metamaterials can yield no transverse displacements when unidi-rectionally compressed,and cylindrical sandwich meta-structures composed of semi re-entrant(SRE)ZPR metamaterials are...
关键词:Cylindrical sandwich meta-structure Zero Poisson’s ratio Unit cell Pre-strained Wave propagation Pressure-resistant 
Effect of Tacticity on the Dynamic Response of Chiral Mechanical Metamaterials
《Acta Mechanica Solida Sinica》2024年第6期979-988,共10页Pengcheng Zhao Zhigang Wang Xiaojun Zhu Tingting Wang Kai Zhang 
supported by the national natural science foundation of China(Grant No.12172297);the open foundation of state key laboratory of structural analysis for industrial equipment(GZ22106);the fundamental research funds for the central universities.
In this work,a tacticity strategy is proposed to adjust the mechanical properties of chiral mechanical metamaterials for vibration isolation.By applying the finite element method,the impact of tacticity on tensile def...
关键词:Wave propagation 1D chiral mechanical metamaterial Band gap Vibration attenuation 
Wave propagation across fluid-solid interfaces with LBM-LSM coupling schemes
《Petroleum Science》2024年第5期3125-3141,共17页Mu-Ming Xia Hui Zhou Chun-Tao Jiang Han-Ming Chen Jin-Ming Cui Can-Yun Wang Chang-Chun Yang 
supported in part by R & D Department of China National Petroleum Corporation (2022DQ0604-01);National Natural Science Foundation of China (42204132);the China Postdoctoral Science Foundations (2020M680667, 2021T140661);Harvard-CUP Joint Laboratory on Petroleum Science;“111” project (B13010);the financial support from the CAS Special Research Assistant Project。
Seismic wave propagation in fluid-solid coupled media is currently a popular topic. However, traditional wave equation-based simulation methods have to consider complex boundary conditions at the fluid-solid interface...
关键词:Lattice Boltzmann method(LBM) Lattice spring model(LSM) LBM-LSM coupling Finite difference method(FDM) Fluid-solid configuration Seismic wave simulation 
Elastic wave insulation and propagation control based on the programmable curved-beam periodic structure
《Applied Mathematics and Mechanics(English Edition)》2024年第10期1791-1806,共16页Jiajia MAO Hong CHENG Tianxue MA 
supported by the National Natural Science Foundation of China(Nos.12172012 and 11802005)。
Curved-beams can be used to design modular multistable metamaterials(MMMs)with reprogrammable material properties,i.e.,programmable curved-beam periodic structure(PCBPS),which is promising for controlling the elastic ...
关键词:curved-beam based periodic structure equivalent stiffness spring-oscillator system dispersion relation wave propagation 
Low-frequency bandgap and vibration suppression mechanism of a novel square hierarchical honeycomb metamaterial
《Applied Mathematics and Mechanics(English Edition)》2024年第10期1841-1856,共16页Xingjian DONG Shuo WANG Anshuai WANG Liang WANG Zhaozhan ZHANG Yuanhao TIE Qingyu LIN Yongtao SUN 
supported by the National Natural Science Foundation of China(Nos.12272219,12372019,12072222,12132010,12021002,and 11991032);the Open Projects of State Key Laboratory for Strength and Structural Integrity of China(No.ASSIKFJJ202303002);the State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures of China(No.SKLTESKF1901);the Aeronautical Science Foundation of China(No.ASFC-201915048001)。
The suppression of low-frequency vibration and noise has always been an important issue in a wide range of engineering applications.To address this concern,a novel square hierarchical honeycomb metamaterial capable of...
关键词:wave propagation vibration suppression METAMATERIAL low-frequency bandgap 
Wave propagation of a functionally graded plate via integral variables with a hyperbolic arcsine function
《Earthquake Engineering and Engineering Vibration》2024年第3期547-561,共15页Mokhtar Ellali Mokhtar Bouazza Ashraf M.Zenkour 
Several studies on functionally graded materials(FGMs)have been done by researchers,but few studies have dealt with the impact of the modification of the properties of materials with regard to the functional propagati...
关键词:FGM plate effects of material properties wave propagation indeterminate integral variables inverse sinus hyperbolic function 
Generation and characterization of customized Laguerre–Gaussian beams with arbitrary profiles
《Frontiers of physics》2024年第4期235-241,共7页Chengyuan Wang Yun Chen Jinwen Wang Xin Yang Hong Gao Fuli Li 
This work was supported by the National Natural Science Foundation of China(NSFC)(Nos.12104358,12104361,and 92050103);Shaanxi Fundamental Science Research Project for Mathematics and Physics(No.22JSZ004).
We experimentally demonstrate the generation of customized Laguerre–Gaussian(LG)beams whose intensity maxima are localized around any desired curves.The principle is to act with appropriate algebraic functions on the...
关键词:light manipulation wave propagation invariant optical fields 
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