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Irina Kochetkova, Kseniia Leonteva, Ibram Ghebrial, Anastasiya Vlaskina, Sofia Burtseva, Anna Kushchazli and Konstantin Samouylov
Fifth-generation (5G) networks provide network slicing capabilities, enabling the deployment of multiple logically isolated network slices on a single infrastructure platform to meet specific requirements of users. This paper focuses on modeling and anal...
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Yu Tian, Luofeng Wang, Zhongliang Zhou and Renliang Chen
In order to reveal the mechanism of Category II rotor-body-slung-load coupled oscillation (RBSLCO) with the frequency range of 2.5~8 Hz, a novel nonlinear rigid-elastic coupled model is presented for the helicopter and slung load system (HSLS) with expli...
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Xupeng Li, Wei Wang, Jinfeng Shi, Yanjun Qu and Xuewu Fan
This paper presents a passive buffer system of connection mechanism for space-assembled segmented mirrors. The purpose of assembling telescope in space is to overcome the limits of launch volume and mass to support ever increasing aperture sizes. Using t...
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Andre Luiz de Freitas Coelho, Fabio Lucio Santos, Francisco de Assis de Carvalho Pinto, Daniel Marçal de Queiroz
Pág. 579 - 586
The finite element method, which has been used to determine natural frequencies and mode shapes, is used to generate and solve differential equations that describe the investigated physical phenomenon. However, this method requires the use of geometric a...
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Andre Luiz de Freitas Coelho, Fabio Lucio Santos, Francisco de Assis de Carvalho Pinto, Daniel Marçal de Queiroz (Author)
Pág. 579 - 586
The finite element method, which has been used to determine natural frequencies and mode shapes, is used to generate and solve differential equations that describe the investigated physical phenomenon. However, this method requires the use of geometric a...
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Anton Germashev, Victor Logominov, Yelena Kozlova, Vladimir Krishtal
Pág. 23 - 28
Thin-walled elements of complex geometric shapes are widely used in the aerospace and other industries. They are obtained by various methods of machining using modern numerically controlled machines. The fundamental factors for manufacturing of parts are...
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Sanghwan Heo, Weoncheol Koo and Moo-Hyun Kim
A Wavestar-type Wave Energy Converter (WEC) on an elastic foundation structure was investigated using an author-developed coupled dynamic analysis computer program. The program included an elastic foundation structure composed of beam elements, a multi-b...
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Gennadiy Filimonikhin,Irina Filimonikhina,Vladimir Pirogov,Serhii Rahulin,Mykola Sadovyi,Guntis Strautmanis,Olena Tryfonova,Mykola Yakymenko
Pág. 50 - 57
Were found the conditions for occurrence of dynamic auto-balancing for the case of a rotor mounted on two elastic-viscous supports, balanced by two or more passive auto-balancers of any type.A modernized energy method has been applied under assumption th...
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Sergey M. Afonin
This work determines the coded control of a sectional electroelastic engine at the elastic?inertial load for nanomechatronics systems. The expressions of the mechanical and adjustment characteristics of a sectional electroelastic engine are obtained usin...
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Huile Li and Gang Wu
The presented framework has a potential application of enhanced fatigue assessment of steel railway bridges with respect to fatigue-prone structural details.
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Volodymyr Blintsov,Kostiantyn Trunin
Pág. 56 - 66
A mathematical model (MM) has been developed to describe the dynamics of the MTS EL element using an underwater towed system (UTS) as an example, as well as the MM of MTS with EL.The MM of the EL element dynamics makes it possible to take into considerat...
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I. O. Bondarenko,D. M. Kurgan
Pág. 139 - 148
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Wenbin Zhang, Yan Feng, Xiangqiang Zeng, Ming Xu, Liang Gong and Lijun Rui
A new type of assembled integral multi-ribbed composite floor system with novel wet joint and steel sleeve connections, which exhibits satisfactory strength and stiffness, was proposed in the previous study. To further study the flexural performances of ...
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Soheil Jafari, Morteza Feizarefi and Mohsen Majidi Pishkenari
One of the main limitations of linearity assumptions in airfoil?s aero-elastic problems is the inability to predict the system behavior after starting the instability. In reality, nonlinearities may prevent the amplitudes from going to infinity. This pap...
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A. G. Reidemeister,S. I. Levytska
Pág. 93 - 103
Purpose. The article aims to estimate the stability of the railway vehicle motion, whose oscillations are described by Lagrange equations of the first kind under the assumption that there are no nonlinearities with discontinuities of the right-hand sides...
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Simona Di Nino, Daniele Zulli and Angelo Luongo
A base isolation system, aimed to passively control the nonlinear dynamics of an internally resonant tower, exposed to turbulent wind flow, is studied. A continuous visco-elastic beam, constrained at the bottom end by a nonlinear visco-elastic device and...
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Andre Botha,Andrea Saayman
AbstractThis paper models tourism demand for South Africa from the UK and the USA, using an almost ideal demand system. An error-correction almost ideal demand system (EC-AIDS) is applied to quantify the responsiveness of UK and USA tourism demand for So...
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Pudjisuryadi P.,Lumantarna B.,Tandya H.,Loka I.
Pág. 19 - 25
Researches have been conducted to study Shearwall-frame combined with belt truss as structural system (SFBT), in which the post-elastic behavior and ductility of this structural system are explored. A 60-story SFBT building, with a ductility set equal to...
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Ishaq Hafez and Rached Dhaouadi
This study presents hybrid particle swarm optimization with quasi-Newton (HPSO-QN), a hybrid optimization method for accurately identifying mechanical parameters in two-mass model (2MM) systems. These systems are commonly used to model and control high-p...
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Pascal Fossat, Madhurima Kothakota, Mohamed Ichchou and Olivier Bareille
This work addresses the dynamic modeling of a negative stiffness absorber consisting of an assembly of curved beams. Design rules are derived from the orders of magnitude of stiffness and elastic energy stored by the negative stiffness elements. Although...
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