BEAMS

作品数：400被引量：496H指数：8
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Plates, Beams and Shells Reinforced by CNTs or GPLs: A Review on Their Structural Behavior and Computational Methods
《Computer Modeling in Engineering & Sciences》2025年第2期1351-1458,共108页Mohammad Javad Bayat Amin Kalhori Kamran Asemi Masoud Babaei 
Since the initial observation of carbon nanotubes(CNTs)and graphene platelets(GPLs)in the 1990 and 2000s,the demand for high-performance structural applications and multifunctional materials has driven significant int...
关键词：Graphene platelets carbon nanotubes functionally graded materials hybrid composites mechanical analyses PLATES SHELLS BEAMS 
Efficient generation of vectorial terahertz beams using surface-wave excited metasurfaces
《Opto-Electronic Science》2025年第1期1-11,共11页Zhuo Wang Weikang Pan Yu He Zhiyan Zhu Xiangyu Jin Muhan Liu Shaojie Ma Qiong He Shulin Sun Lei Zhou 
the financial support from National Natural Science Foundation of China (Nos. 62192771, 12374344, 12221004);National Key Research and Development Program of China (2022YFA1204700, 2020YFA0710100);Natural Science Foundation of Shanghai (Grant No. 23dz2260100);China Postdoctoral Science Foundation 2021TQ0077
On-chip devices for generating pre-designed vectorial optical fields(VOFs)under surface wave(SW)excitations are highly desired in integrated photonics.However,conventional devices are usually of large footprints,low e...
关键词：surface waves vector beam multi-pixel metasurface TERAHERTZ ultrathin and high-efficiency 
Free vibration and transient response of double curved beams connected by intermediate straight beams
《Applied Mathematics and Mechanics(English Edition)》2025年第1期37-62,共26页R.A.JAFARI-TALOOKOLAEI H.GHANDVAR E.JUMAEV S.KHATIR T.CUONG-LE 
This paper investigates the free vibration and transient response of interconnected structures including double curved beams and intermediate straight beams,which are all constructed from functionally graded porous(FG...
关键词：double curved beam vibration analysis intermediate straight beam functionally graded porous(FGP)material finite element method 
High-dimensional Poincarébeams generated through cascaded metasurfaces for high-security optical encryption被引量：1
《PhotoniX》2024年第1期499-511,共13页Jitao Ji Chen Chen Jiacheng Sun Xin Ye Zhizhang Wang Jian Li Junyi Wang Wange Song Chunyu Huang Kai Qiu Shining Zhu Tao Li 
provided by National Key Research and Development Program of China(2022YFA1404301);National Natural Science Foundation of China(Nos.62325504,62305149,92250304,62288101);Dengfeng Project B of Nanjing University;the micro-fabrication center of the National Laboratory of Solid State Microstructures(NLSSM)for technique support。
Optical encryption plays an increasingly important role in the field of information security owing to its parallel processing capability and low power consumption.Employing the ultrathin metasurfaces in optical encryp...
关键词：Poincare beams Cascaded metasurfaces Optical encryption 
Near-field communications:characteristics,technologies,and engineering
《Frontiers of Information Technology & Electronic Engineering》2024年第12期1580-1626,共47页Yajun ZHAO Linglong DAI Jianhua ZHANG Ran JI Mengnan JIAN Hao XUE Hongkang YU Yunqi SUN Yu LU Zidong WU Zhuo XU Jinke LI Haiyang MIAO Zhiqiang YUAN Pan TANG Jiayu SHEN Tierui GONG Haixia LIU Jiaqi HAN Qiang FENG Zhi CHEN Lingxiang LI Gang YANG Yong ZENG Cunhua PAN Wang LIU Kangda ZHI Weidong HU Yuanwei LIU Xidong MU Chau YUEN Mérouane DEBBAH Chongwen HUANG Long LI Ping ZHANG 
Project supported by the Natural Science Foundation of Hunan Province,China(No.2022JJ40561);the Scientific Research Program of National University of Defense Technology,China(No.ZK22-46);the National Natural Science Foundation of China(Nos.61890542,62001481,and 62071475)。
Near-field technology is increasingly recognized due to its transformative potential in communication systems,establishing it as a critical enabler for sixth-generation(6G)telecommunication development.This paper pres...
关键词：6G Near-field technology Channel model CODEBOOK Non-diffractive beams Orbital angular momentum Engineering and standardization 
The cLVSM:A Novel Compact Linear Variable Stiffness Mechanism Based on Circular Beams
《Chinese Journal of Mechanical Engineering》2024年第6期414-428,共15页Yixin Shao Yufeng Zhou Di Shi Yanggang Feng Xilun Ding Wuxiang Zhang 
Supported by National Key R&D Program of China(Grant No.2022YFB4701200);Ningbo Municipal Key Projects of Science and Technology Innovation 2025 Plan(Grant No.2022Z070);National Natural Science Foundation of China(Grant No.52205004).
Variable stiffness mechanisms(VSMs)are a class of compliant mechanisms that can adjust their intrinsic stiffness,which promises to be beneficial in applications needed to interact with the environment,such as collabor...
关键词：Variable stiffness Compliant mechanism Stiffness modeling Circular beam Screw theory 
Nonvolatile silicon photonic MEMS switch based on centrally clamped stepped bistable mechanical beams
《Photonics Research》2024年第12期2838-2844,共7页QIAN MA YINPENG HU YE LU YUNZHI LIU HUAN LI DAOXIN DAI 
National Science Fund for Distinguished Young Scholars(61725503);National Natural Science Foundation of China(62321166651,92150302,U23B2047);Leading Innovative and Entrepreneur Team Introduction Program of Zhejiang(2021R01001);Zhejiang Provincial Major Research and Development Program(2021C01199);Natural Science Foundation of Zhejiang Province(LZ22F050006);Fundamental Research Funds for the Central Universities;Startup Foundation for Hundred-Talent Program of Zhejiang University。
High-performance photonic switches are essential for large-scale optical routing for AI large models and the Internet of Things.Realizing nonvolatility can further reduce power consumption and expand application scena...
关键词：switch ELECTROSTATIC driving 
Analytical Solution for Plastic Responses of Metal Beams under Repeated Impacts Based on Membrane Factor Method
《船舶力学》2024年第12期1891-1907,共17页GUO Kai-ling ZHANG Yi-jiang MU Meng-ying ZHU Ling 
国家自然科学基金资助项目(12202328;12172265).
Marine structures are frequently subjected to repeated impact loadings,resulting in failure of the structures,even causing serious accidents.The analytical expressions of dimensionless permanent deflection and impact ...
关键词：repeated impact theoretical analysis membrane factor method impact location boundary condition 
Metasurfaces for multiplexing pencil-like beams with longitudinally inhomogeneous versatile polarization states and polarization-evolutive imaging
《Photonics Research》2024年第12期3012-3026,共15页FENG TANG TENG ZHANG ZHIYU TAN XIAOFEI ZANG YIMING ZHU SONGLIN ZHUANG 
National Natural Science Foundation of China(61871268,61988102,62271320);Shuguang Program of Shanghai Education Commission(19SG44);Science and Technology Commission of Shanghai Municipality(21S31907400,22JC1400200).
The manipulation of polarization in the longitudinal direction using metasurfaces introduces a new dimension for controlling polarization states.Previous research has primarily focused on creating a single beam with a...
关键词：polarized VERSATILE LINEARLY 
Resistance of full-scale beams against close-in explosions.Numerical modeling and field tests
《Defence Technology（防务技术）》2024年第10期35-47,共13页A.Prado A.Alañón R.Castedo A.P.Santos L.M.López M.Chiquito M.Bermejo C.Oggeri 
This research has been conducted under SEGTRANS project,funded by the Centre for Industrial Technological Development(CDTI,Government of Spain).
This paper explores the performances of a finite element simulation including four concrete models applied to a full-scale reinforced concrete beam subjected to blast loading. Field test data has been used to compare ...
关键词：Blast test Numerical simulation LS-DYNA Concrete model Mesh effect Full-scale beams 
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