MULTI-LAYER

作品数：333被引量：577H指数：10
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  • 期刊=Chinese Journal of Aeronauticsx
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Origami multi-layer space shield for cylindrical space structure
《Chinese Journal of Aeronautics》2024年第10期294-312,共19页Ji-Hun CHA Ji-Sub NOH Sarath Kumar SATHISH KUMAR Dohyeon JIN Dae-Young LEE Chun-Gon KIM 
Supported by the National Research Foundation of South Korea(No.NRF-2021R1A4A1032783);the National Research Foundation of Korea(NRF),the Korea government(MSIT)(No.2022R1C1C1003718).
The multidisciplinary space environment,encompassing orbital debris,cosmic radiation,and solar radiative heat,poses significant risks to spacecraft and astronauts,necessitating efficient and effective shielding soluti...
关键词：Hybrid composite ORIGAMI Hypervelocity impact Space environment Space debris Cosmic radiation 
Multi-layer collaborative optimization fusion for semi-supervised learning
《Chinese Journal of Aeronautics》2023年第11期342-353,共12页Quanbo GE Muhua LIU Jianchao ZHANG Jianqiang SONG Junlong ZHU Mingchuan ZHANG 
supported in part by the National Natural Science Foundation of China(NSFC)(Nos.62033010,62102134);in part by the Leading talents of science and technology in the Central Plain of China(No.224200510004);in part by the Key R&D projects in Henan Province,China(No.231111222600);in part by the Aeronautical Science Foundation of China(No.2019460T5001);in part by the Scientific and Technological Innovation Talents of Colleges and Universities in Henan Province,China(No.22HASTIT014).
Recently,the Cooperative Training Algorithm(CTA),a well-known Semi-Supervised Learning(SSL)technique,has garnered significant attention in the field of image classification.However,traditional CTA approaches face chal...
关键词：Collaborative training FUSION Image classification K-means algorithm Semi-supervised learning 
Stall flutter prediction based on multi-layer GRU neural network被引量：2
《Chinese Journal of Aeronautics》2023年第1期75-90,共16页Yuting DAI Haoran RONG You WU Chao YANG Yuntao XU 
supported by the National Natural Science Foundation of China(No.11672018).
The modeling of dynamic stall aerodynamics is essential to stall flutter, due to the flow separation in a large-amplitude pitching oscillation process. A newly neural network based Reduced Order Model(ROM) framework f...
关键词：Deep learning Dynamic stall Limit-cycle oscillation Reduced order model Stall flutter 
Reliability evaluation of avionics system with imperfect fault coverage and propagated failure mechanisms被引量：3
《Chinese Journal of Aeronautics》2020年第12期3437-3446,共10页Ying CHEN Song YANG Rui KANG 
funded by the National Natural Science Foundation of China(Nos.61503014 and 61573043)。
Fault tolerance designs are essential techniques for systems that require high levels of reliability,such as aircraft or spacecraft control system.Imperfect Fault Coverage(IFC)may lead to the failure of a system or su...
关键词：ACCELERATION Binary Decision Diagram(BDD) Failure mechanism Imperfect Fault Coverage Multi-layer system Reliability evaluation 
Influence of pre-tension on ballistic impact performance of multi-layer Kevlar 49 woven fabrics for gas turbine engine containment systems被引量：8
《Chinese Journal of Aeronautics》2018年第6期1273-1286,共14页Lulu LIU Zhenhua ZHAO Wei CHEN Gang LUO 
co-supported by the National Natural Science Foundation of China (No.51575262);the China Postdoctoral Science Foundation (No.2015M571754);the Aeronautical Science Foundation of China (No.2015ZB52008)
In this paper, ballistic impact tests on wrapped multi-layer Kevlar 49 woven fabric systems were carried out with a flat blade projectile to investigate the impact response during a fan blade out event. The influences...
关键词：Energy absorption FABRICS Gas turbines Impact resistance MULTI-LAYERS PRE-TENSION 
Aerodynamic optimization of rotor airfoil based on multi-layer hierarchical constraint method被引量：8
《Chinese Journal of Aeronautics》2016年第6期1541-1552,共12页Zhao Ke Gao Zhenghong Huang Jiangtao Li Quan 
supported by the National Natural Science Foundation of China (No. 11402288 and 11372254);the National Basic Research Program of China (No. 2014CB744804)
Rotor airfoil design is investigated in this paper. There are many difficulties for this highdimensional multi-objective problem when traditional multi-objective optimization methods are used. Therefore, a multi-layer...
关键词：Multi-layer hierarchical constraint method Multi-objective optimization NSGA II Pareto front Principal component analysis Rotor airfoil 
Numerical simulation of aerodynamic interaction for a tilt rotor aircraft in helicopter mode被引量：14
《Chinese Journal of Aeronautics》2016年第4期843-854,共12页Ye Liang Zhang Ying Yang Shuo Zhu Xinglin Dong Jun 
A rotor CFD solver is developed for simulating the aerodynamic interaction phenomenon among rotor, wing and fuselage of a tilt rotor aircraft in its helicopter mode. The unsteady Navier-Stokes equations are discretize...
关键词：Aerodynamic interaction Extended hole fringe Multi-layer embedded grid Navier-Stokes equations Tilt rotor 
CFD calculations on the unsteady aerodynamic characteristics of a tilt-rotor in a conversion mode被引量：19
《Chinese Journal of Aeronautics》2015年第6期1593-1605,共13页Li Peng Zhao Qijun Zhu Qiuxian 
supported by the National Natural Science Foundation of China(No.11272150)
In order to calculate the unsteady aerodynamic characteristics of a tilt-rotor in a conver- sion mode, a virtual blade model （VBM） and an real blade model （RBM） are established respec- tively. A new multi-layer mo...
关键词：CFD Conversion mode Multi-layer moving-embedded grid Tilt-rotor Unsteady flowfield 
Laser Multi-layer Cladding Experiment on the DD3 Single Crystal Using FGH95 Powder:Investigation on the Microstructure of Single Crystal Cladding Layer被引量：4
《Chinese Journal of Aeronautics》2002年第2期121-127,共7页FENG Li-ping HUANG Wei-dong LIN Xin YANG Hai-ou LI Yan-min Yang Jian 
National Key Basic Research Development Program me of china(No.G2000067205-3)
Laser multi\|layer cladding experiments were performed on the substrate of DD3 single crystal with FGH95 powder as cladding material.The solidification microstructure in the sample was investigated.It was found that t...
关键词：laser metal forming directional solidification laser multi-layer cladding single crystal MICROSTRUCTURE composition segregation 
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