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Rang-Lin Fan, Yu-Fei Dou and Fu-Liang Ma
Active hydraulic mounts with an inertia track, decoupler membrane, and oscillating coil actuator (AHM-IT-DM-OCAs) have been studied extensively due their compact structure and large damping in the low-frequency band. This paper focuses on a comprehensive...
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Javad Enferadi, Mohammad Tavakolian
Pág. 107 - 114
Dynamics of a highly stiff parallel machine tool is the subject of this paper. High stiffness, good accuracy, relatively large workspace and free of singularities on the whole workspace makes the manipulator suitable for machining applications as an XY-T...
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Jairo Andrés Gutiérrez Suárez, Carlos Humberto Galeano Urueña and Alexánder Gómez Mejía
Internal airflow dynamics play a crucial role in spray drying engineering by governing particle transport and, consequently, the quality of dried products. For this application, airflow dynamics represent short- and long-timescale behaviors across the ma...
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Jiayu Wen, Yanguo Song, Huanjin Wang and Dong Han
This work presents a systematic approach to analyzing the aerodynamic characteristics of tandem rotor forward autorotation considering rotor-to-rotor interference. The single-rotor computational model trimmed from a generic helicopter flight dynamics ana...
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Pavel V. Zakharov, Elena A. Korznikova, Artem A. Izosimov and Andrey S. Kochkin
This study examines the mechanism of nonlinear supratransmission (NST), which involves the transfer of disturbance to discrete media at frequencies not supported by the structure. We considered a model crystal with A3B stoichiometry. The investigation wa...
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Huanhuan Wang, Eden Furtak-Cole and Keith Ngan
Mean wind profiles within a unit-aspect-ratio street canyon have been estimated by solving the three-dimensional Poisson equation for a set of discrete vortex sheets. The validity of this approach, which assumes inviscid vortex dynamics away from boundar...
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David C. Fritts, Thomas S. Lund, Adam C. Lund and Ling Wang
We address the sources and dynamics of vorticity and helicity and their relations in transitions to turbulence arising due to Kelvin?Helmholtz instability (KHI) ?Tube? and ?Knot? (T&K) events. Such events are common in the atmosphere and oceans, and ...
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Shlomo Dubnov
Capturing long-term statistics of signals and time series is important for modeling recurrent phenomena, especially when such recurrences are a-periodic and can be characterized by the approximate repetition of variable length motifs, such as patterns in...
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Massimo Posani, Mauro Pontani and Paolo Gasbarri
Reorientation maneuvers represent a key task for large satellites. This work considers a space vehicle with solar panels and reaction wheels as actuation devices. Solar panels are modeled as flexural beams, using the modal decomposition technique. An ine...
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Man Ru, Ying Zhan, Bin Cheng and Yu Zhang
Space debris severely threatens the safety of spacecraft in near-earth orbit. Dragging space debris into the atmosphere to burn is an effective way to remove it. In this paper, the authors focus on capturing irregular and rotating debris via a flexible n...
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Javier López-Queija, Eider Robles, Jose Ignacio Llorente, Imanol Touzon and Joseba López-Mendia
Currently, floating offshore wind is experiencing rapid development towards a commercial scale. However, the research to design new control strategies requires numerical models of low computational cost accounting for the most relevant dynamics. In this ...
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Shlomo Hareli, Ophir Nave and Vladimir Gol?dshtein
The dynamics of the particle size distribution (PSD) of polydispersed fuel spray is important in the evaluation of the combustion process. A better understanding of the dynamics can provide a tool for selecting a PSD that will more effectively meet the n...
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Ichiro Kimura, Taeun Kang and Kazuo Kato
The accumulation of driftwood during heavy rainfall may block river channels and damage structures. It is necessary to mitigate such effects by periodically capturing and removing driftwood from rivers. In this study, the behavior of driftwood in open-ch...
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Shangyan Zou and Ossama Abdelkhalik
Wave energy converters (WECs) usually require reactive power for increased levels of energy conversion, resulting in the need for more complex power take-off (PTO) units, compared to WECs that do not require reactive power. A WEC without reactive power p...
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Oleksij Fomin,Alyona Lovska,Oleksandr Kovtun,Volodymyr Nerubatskyi
Pág. 33 - 40
The longitudinal-dynamic load on a railroad train has been studied at its steady motion along the track of a homogeneous profile. A value of the longitudinal loading that a train is exposed to has been established. The calculations were carried out for a...
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Dong-Yeon Kim, Han-Sol Choi, Jae Hyuk Lim, Kyung-Won Kim and Juwon Jeong
In this work, experimental and numerical investigation on the deployment of solar panels with tape spring (TS) hinges showing complex nonlinear hysteresis behavior caused by the snap-through buckling was conducted. Subsequently, it was verified by compar...
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Patrick Piprek, Michael M. Marb, Pranav Bhardwaj and Florian Holzapfel
This study proposes a novel, nonlinear trajectory/path-following controller based on jerk-level error dynamics. Therefore, at first the nonlinear acceleration-based kinematic equations of motion of a dynamic system are differentiated with respect to time...
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Guilherme Moura Paredes, Claes Eskilsson and Allan P. Engsig-Karup
Mooring systems exhibit high failure rates. This is especially problematic for offshore renewable energy systems, like wave and floating wind, where the mooring system can be an active component and the redundancy in the design must be kept low. Here we ...
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Hua Huang, Yaoqiang Xian, Wei Zhang, Mengxue Guo, Kun Yang and Kailin Xi
Lightweight cable?membrane structures can span large distances and undertake aesthetically pleasing shapes. They are widely used for roofs and modern structural canopies and in the aerospace industry for large on-board antenna reflectors that are to be d...
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Stefano de Luca, Roberta Di Pace, Silvio Memoli and Luigi Pariota
This paper focuses on the presentation of an integrated framework based on two advanced strategies, aimed at mitigating the effect of traffic congestion in terms of performance and environmental impact. In particular, the paper investigates the ?operatio...
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