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Eric Wai and C. K. M. Lee
Hardening fog/edge network connections, protecting industrial IoT (IIOT), secure cyber-physical production system (CPPS) implementation.
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Haijun Liu, Zhaoran Xiao and Kinman Lee
The nonlinear load-settlement behaviours of vertically loaded pile groups containing various numbers of piles (up to a few hundred piles in a group) are analysed using the method proposed by Lee and Xiao. This back-analysis method assumes the ?local shea...
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Deyong Guan and Kun Meng
In this paper, an analytical methodology is proposed to study the vibration of an offshore friction pile embedded in multilayered saturated viscoelastic soils by combining Biot?s saturated wave propagation theory, Novak?s plane-strain model, and the fict...
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Xi Chen, Qi Zhang, Xiang Yuan Zheng and Yu Lei
In this study, a semi-analytical solution to the dynamic responses of a multilayered transversely isotropic poroelastic seabed under combined wave and current loadings is proposed based on the dynamic stiffness matrix method. This solution is first analy...
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Shankar Bhattarai, Ji-Seong Go, Hongrae Kim and Hyun-Ung Oh
The structural safety of solar cells mounted on deployable solar panels in the launch vibration environment is a significant aspect of a successful CubeSat mission. This paper presents a novel highly damped deployable solar panel module that is effective...
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Janis Karl, Franziska Kirsch, Norbert Faderl, Leonhard Perko and Teresa Fras
Using interlayers of rubber adds a positive effect to the synergy of disruptor?absorber armors. Emerging from its viscoelasticity the material is able to transform mechanical stress into heat. The dynamic mechanical properties of elastomers depend on bot...
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Mykhaylo Zagirnyak,Valentina Zagirnyak,Dmytro Moloshtan,Volodymyr Drahobetskyi,Alexander Shapoval
Pág. 33 - 40
Technologies for the production of multilayered spherical bottoms and cylindrical shells of quasi-layered material and compaction of the multilayered wall of military equipment elements are developed. The need for these studies is associated with increas...
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Jian-feng Zhu, Chang-fu Chen and Hong-yi Zhao
This study aims to develop a simple but effective approach to investigate the stability of an unsaturated and multilayered coastal-embankment slope during the rainfall, in which a Random Search Algorithm (RSA) based on the random sampling idea of the Mon...
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Janis Baronins, Maksim Antonov, Sergei Bereznev, Taavi Raadik and Irina Hussainova
In this study, a multilayered AlCrN coating has been employed as a protective layer for steel used in tribo-corrosive conditions. The coating was deposited by a lateral rotating cathode arc PVD technology on a AISI 316L stainless steel substrate. A ratio...
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Alexey Vereschaka, Maksim Oganyan, Yuri Bublikov, Nikolay Sitnikov, Konstantin Deev, Vladimir Pupchin and Boris Mokritskii
The study deals with an increase in the tool life parameter for metal-cutting tools and efficiency of end milling for titanium alloys, due to the use of tools with multilayered composite nano-structured Zr–ZrN–(Zr,Al)N and Zr–ZrN–...
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Li-Chun Chang, Bo-Wei Liu and Yung-I Chen
Monolithic Hf–Si–N coatings and multilayered Hf–Si–N coatings with cyclical gradient concentration were fabricated using reactive direct current magnetron cosputtering. The structure of the Hf–Si–N coatings varied from...
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C. N. Panagopoulos, E. P. Georgiou, G. S. Tradas and K. I. Giannakopoulos
The wear behaviour of bare and polymer-coated soda-lime glass specimens sliding against 440C stainless steel counterfaces was investigated with the aid of a pin-on-disk apparatus. The selected polymeric coatings were commercially supplied safety films, w...
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Jae-Hyeon Park, Sung-Woo Park, Jong-Pil Kim and Hyun-Ung Oh
A novel passive vibration-damping device is proposed and investigated for a large deployable solar array. One strategy for achieving high damping in a solar panel is using a yoke structure comprising a hyperelastic shape memory alloy and multiple viscous...
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Ruliang Lin, Lijing Huang, Zhiwen Liu, Xuehua Zhou and Zhiguo Zhou
Sixty percent of the failures of launch vehicles in the ascending phase occur in the propulsion system. Among them, the vibration generated by the engine is an important factor in the occurrence of failure. At present, health assessment methods in the ae...
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Salvatore Brischetto and Roberto Torre
This paper presents the steady-state stress analysis of single-layered and multilayered plates and shells embedding Functionally Graded Material (FGM) layers under moisture conditions. This solution relies on an exact layer-wise approach; the formulation...
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Yeon-Hyeok Park, Seong-Cheol Kwon, Kyung-Rae Koo and Hyun-Ung Oh
Whole-spacecraft launch-vibration isolation systems are attractive for achieving the goal of better, faster, cheaper, and lighter small satellites by reducing the design-load and vibration-test specifications for on-board components. In this study, a thr...
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Mao-Suan Huang, Shang-Yang Yu, Pao-Chang Chiang, Bai-Hung Huang, Takashi Saito, Chien-Chia Huang, Fang-Tzu Pai, Chia-Yu Wu and Wen-Chien Lan
In the present study, the piezoelectric aluminum nitride (AlN)/tantalum (Ta) (PAT) thin film was investigated as a biocompatible film and osseointegrated with biomedical devices such as implants. The stress variation on the interaction of cells with the ...
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Maxim Spur, Vincent Tourre, Erwan David, Guillaume Moreau and Patrick Le Callet
Virtual reality (VR) headsets offer a large and immersive workspace for displaying visualizations with stereoscopic vision, as compared to traditional environments with monitors or printouts. The controllers for these devices further allow direct three-d...
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Stefano Valvano, Andrea Alaimo and Calogero Orlando
In the development of aircraft comfort, one of the main issues is the sound transmission analysis to estimate the insulation capability of aeronautical panels. In this work, a higher-order shell finite element is proposed for the passive noise insulation...
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Kyung-Rae Koo, Hyun-Guk Kim, Dong-Geon Kim, Seong-Cheol Kwon and Hyun-Ung Oh
In the launch environment, satellites are subjected to severe dynamic loads. These dynamic loads in the launch environment can lead to the malfunction of the payload, or to mission failure. In order to improve the structural stability of satellites and e...
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