RE-ENTRANT

作品数:31被引量:60H指数:5
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相关领域:理学更多>>
相关作者:郭永江张汉勤更多>>
相关机构:北京邮电大学中国科学院数学与系统科学研究院更多>>
相关期刊:《Computer Modeling in Engineering & Sciences》《Journal of Minerals and Materials Characterization and Engineering》《World Journal of Cardiovascular Surgery》《Science China(Physics,Mechanics & Astronomy)》更多>>
相关基金:国家自然科学基金中国博士后科学基金国家重点基础研究发展计划北京市自然科学基金更多>>
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Effective elastic modulus and energy absorption performance evaluations of a novel re-entrant chiral hybrid honeycomb OA
《Applied Mathematics and Mechanics(English Edition)》2025年第5期781-794,共14页Youjiang CUI Zhihui XU Que ZHOU Baolin WANG Kaifa WANG Biao WANG 
Project supported by Guangdong Basic and Applied Basic Research Foundation(Nos.2022A1515240072,2023A1515240053,2022B1515020099,and 2023A1515012641);Shenzhen Science and Technology Program(No.JCYJ20220818102409020);the National Natural Science Foundation of China(Nos.12102104 and 12002180)。
Re-entrant honeycombs are widely used in safeguard structures due to their geometric simplicity and excellent energy absorption capacities.However,traditional re-entrant honeycombs exhibit insufficient stiffness and s...
关键词:re-entrant honeycomb chiral metamaterial effective Young’s modulus energy absorption performance 
Impact Performance Research of Re-Entrant Octagonal Negative Poisson’s Ratio Honeycomb with Gradient Design
《Computer Modeling in Engineering & Sciences》2024年第9期3105-3119,共15页Yiyuan Li Yongjing Li Shilin Yan Pin Wen 
This work is supported by the National Natural Science Foundation of China(No.11902232).
Based on the traditional re-entrant honeycomb,a novel re-entrant octagon honeycomb(ROH)is proposed.The deformation mode of the honeycomb under quasi-static compression is analyzed by numerical simulation,and the resul...
关键词:Re-entrant honeycomb gradient design finite element analysis additive manufacturing technologies 
Evaluation of AVNRT & AVRT by Different Criteria: Old & New
《World Journal of Cardiovascular Surgery》2024年第7期95-106,共12页Abdul Hamid Tahmina Alam Sonali Rizwan Rehan Pijous Biswas Subas Caandro Datta Asif Zaman 
The two most frequent causes of paroxysmal SVT are atrioventricular tachycardia (AVRT) and atrioventricular nodal re-entrant tachycardia (AVNRT). The purpose of this study was to assess the diagnostic efficacy of trad...
关键词:SVT (Supraventricular Tachycardia) AVNRT (Atrioventricular Nodal Re-Entrant Tachycardia) AVRT (Atrioventricular Re-Entrant Tachycardia) ECG Criteria Electrophysiology 
Mechanical characteristics of auxetic composite honeycomb sandwich structure under bending
《AI in Civil Engineering》2024年第1期280-294,共15页Hang Hang Xu Xue Gang Zhang Dong Han Wei Jiang Yi Zhang Yu Ming Luo Xi Hai Ni Xing Chi Teng Yi Min Xie Xin Ren 
supported by the National Natural Science Foundation of China(Grant Number 51978330);Qing Lan Project of Jiangsu Province;Natural Science Foundation of Jiangsu Province(Grant Number BK20220103).
Auxetic honeycomb sandwich structures(AHS)composed of a single material generally exhibit comparatively lower energy absorption(EA)and platform stress,as compared to traditional non-auxetic sandwich structures(TNS).To...
关键词:AUXETIC Energy absorption Mechanical metamaterial Aluminum foam RE-ENTRANT Three-point bending 
In-plane and out-of-plane quasi-static compression performance enhancement of 3D printed re-entrant diamond auxetic metamaterial with geometrical tuning and fiber reinforcement
《Defence Technology(防务技术)》2023年第7期1-17,共17页Niranjan Chikkanna Shankar Krishnapillai Velmurugan Ramachandran 
Auxetic materials are cellular materials with a unique property of negative Poisson’s ratio.The auxeticity and performance of these metamaterials utterly depend on the geometrical parameters and loading direction.For...
关键词:Auxeticity Fibre reinforcement Tailorability Anisotropy Geometrical influence Property enhancement 
Laser Ablation and Chemical Oxidation Synergistically Induced Micro/Nano Re-entrant Structures for Super-Oleophobic Surface with Cassie State被引量:1
《Nanomanufacturing and Metrology》2023年第2期79-89,共11页Jiaqi Chao Faze Chen Lei Xia Zexin Cai Fujun Wang Yanling Tian Dawei Zhang 
This work was fnancially supported by National Postdoctoral Program for Innovative Talents(No.BX20190233);National Natural Science Foundation of China(No.52105477).
Generally,re-entrant structures are a key part of fabricating superoleophobic surfaces,and this structure appears in almost all kinds of published research articles regarding superoleophobicity.However,the application...
关键词:Superoleophobic Re-entrant structure Cassie state Laser direct writing 
Novel Hollow Re-entrant Structures Improving Hydrophobicity of Metal Surfaces
《Nanomanufacturing and Metrology》2023年第2期27-36,共10页Zhaoqiang Zou Jinkai Xu Wanfei Ren 
supported by The National Key Research and Development Program of China(2022YFB4600202);Applied Basic Research Project of Key R&D Program of Changchun Science and Technology Bureau(21ZY37);The Fund for the Central Government Guides Local Science and Technology Development Funds to the Special Basic Research of Jilin Province(No.202002039JC);Jinlin Innovation and Entrepreneurship Talent Funding Project(No.2021Z002)。
Re-entrant structures have drawn increasing attention because of their hydrophobicity.However,it is very difficult to manufacture re-entrant structures at the micron scale on metal surfaces.In this study,we designed a...
关键词:Hollow re-entrant structures ELECTRODEPOSITION Hydrophobic surface 
Application of the body of revolution finite-element method in a re-entrant cavity for fast and accurate dielectric parameter measurements
《Chinese Physics B》2023年第3期36-44,共9页冯天琦 余承勇 李恩 石玉 
the National Natural Science Foundation of China(Grant No.62001083);the Guangdong Provincial Key Research and Development Project,China(Grant No.2020B010179002).
In dielectrometry,traditional analytical and numerical algorithms are difficultly employed in complex resonant cavities.For a special kind of structure(a rotating resonant cavity),the body of revolution finite-element...
关键词:MICROWAVE resonance method dielectric measurement coaxial resonant cavity 
Dynamic crushing behavior and energy absorption of hybrid auxetic metamaterial inspired by Islamic motif art被引量:2
《Applied Mathematics and Mechanics(English Edition)》2023年第3期345-362,共18页Ruilan TIAN Huaitong GUAN Xuhao LU Xiaolong ZHANG Huanan HAO Wenjie FENG Guanglei ZHANG 
the National Natural Science Foundation of China(Nos.12102274,12072203;11872253);the Natural Science Foundation of Hebei Province of China(No.A2022210005);the Central Guidance on Local Science and Technology Development Fund of Hebei Province of China(No.226Z4901G)。
Auxetic honeycomb structures are promising metamaterials with outstanding mechanical properties,and can be potentially used in energy absorption applications.In this study,a novel modified re-entrant hybrid auxetic me...
关键词:re-entrant honeycomb auxetic hybrid metamaterial ENERGY-ABSORPTION dynamic crushing 
Low-temperature dielectric relaxation associated with NbO_6 octahedron distortion in antimony modified potassium sodium niobate ceramics被引量:2
《Journal of Materials Science & Technology》2022年第20期189-198,共10页Nan Zhang Xiang Lv Xi-xiang Zhang Jing Lyu Shuo-Wang Yang Jiagang Wu 
the National Natural Science Foundation of China(Nos.52061130216 and 52002252);the Sichuan Science and Technology Program(No.2020YJ0070);the Central Funds Guiding the Local Science and Technology Development of Sichuan Province(2021ZYD0022);the Fundamental Research Funds for the Central Universities(YJ2021154);the R&D Projects in Key Fields of Guangdong Province,China(No.2020B0109380001);the support from King Abdullah University of Science and Technology(KAUST)。
Although the antimony(Sb) has been widely used to modify potassium sodium niobate(KNN) ceramics for tailoring the phase structure and performance, the role of Sb still remains insufficiently understood,consequently hi...
关键词:KNN-based ceramics Re-entrant-like relaxation COVALENCY Multiphase coexistence Local heterogeneity 
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