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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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Fernando Montano, Ignazio Dimino and Alberto Milazzo
Morphing structures are a relatively new aircraft technology currently being investigated for a variety of applications, from civil to military. Despite the lack of literature maturity and its complexity, morphing wings offer significant aerodynamic bene...
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Paul Denham and Pietro Musumeci
We present an envelope equation-based approach to obtain analytical scaling laws for the shortest pulse length achievable using radiofrequency (RF)-based bunch compression. The derived formulas elucidate the dependencies on the electron beam energy and b...
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Yujia Wei, Atilla Incecik and Tahsin Tezdogan
In this paper, we present a fully coupled computational fluid dynamic (CFD) and discrete module beam (DMB) method for the numerical prediction of nonlinear hydroelastic responses of a ship advancing in regular and focused wave conditions. A two-way data ...
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Nadhie Juliawan, Hyoung-Seog Chung, Jae-Woo Lee and Sangho Kim
This paper focuses on estimating dynamic stability derivatives using a computational fluid dynamics (CFD)-based force oscillation method, and on separating the coupled dynamic derivatives terms obtained from the method. A transient RANS solver is used to...
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Angus Gray-Stephens, Tahsin Tezdogan and Sandy Day
This study investigates the level of accuracy with which Computational Fluid Dynamics (CFD) is capable of modelling the nearfield longitudinal wake profiles of a high-speed planing hull. It also looks to establish how various set-ups influence the accura...
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A. O. Shvets
Pág. 142 - 155
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Tanmay K. Mandal and Yu Gu
This paper reports the results of a Pilot-Induced Oscillation (PIO) and human pilot control characterization study performed using flight data collected with a Remotely Controlled (R/C) unmanned research aircraft. The study was carried out on the longitu...
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M. B. Kurhan,T. A. Senchenko,K. V. Moyseyenko
Pág. 75 - 82
In the article the results of natural measurements of the direct route of switches of type ?65 mark 1/11 on ferroconcrete sleepers in the plan and longitudinal profile are presented. The data obtained can be applied for research of the rolling stock dyna...
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L. V. Ursulyak,K. I. Zheleznov
Pág. 107 - 111
Principles of the object-oriented approach to development of the software for modeling longitudinal dynamic processes and processes of train?s progress are stated in this paper. Besides this, a method of differential equations system?s integration was an...
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Jared A. Grauer and Matthew J. Boucher
System identification from measured flight test data was conducted using the X-56A aeroelastic demonstrator to identify a longitudinal flight dynamics model that included the short period, first symmetric wing bending, and first symmetric wing torsion mo...
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L. V. Ursulyak,A. O. Shvets
Pág. 70 - 82
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V. F. Ushakov,Yu. S. Romen,O. V. Zavertaliuk,V. I. Ruban
Pág. 112 - 114
Based on target-oriented dynamic tests of a freight car, it has been shown that the use of some strain measurement schemes for measuring the coefficients of unsprung-mass vertical dynamic additions results in very high errors. It is suggested to reject t...
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Karim Abu Salem, Giuseppe Palaia, Mario R. Chiarelli and Mario Bianchi
The development of novel aircraft concepts and propulsion technologies requires up-to-date physics-based methods and tools for conceptual aircraft design. In this context, a simulation model for the take-off manoeuvre is proposed in this article, to be e...
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Raymundo Peña-García, Rodolfo Daniel Velázquez-Sánchez, Cristian Gómez-Daza-Argumedo, Jonathan Omega Escobedo-Alva, Ricardo Tapia-Herrera and Jesús Alberto Meda-Campaña
This research introduces a physics-based identification technique utilizing genetic algorithms. The primary objective is to derive a parametric matrix, denoted as A, describing the time-invariant linear model governing the longitudinal dynamics of an air...
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Lixin Wang, Shang Tai, Ting Yue, Hailiang Liu, Yanling Wang and Chen Bu
The wind tunnel virtual flight test realizes the dynamic semi-free flight of the model in the wind tunnel through the deflections of the control surface and uses the test data to identify the aerodynamic derivatives. The difference in dynamics between th...
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Shivani Raghav, Stepan Oskin, Eric J. Miller
Pág. 355 - 374
There is ample evidence of the role of land use and transportation interactions in determining urban spatial structure. The increased digitization of human activity produces a wealth of new data that can support longitudinal studies of changes in land-va...
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Lei Du, Zhuang Lin, Yi Jiang, Ping Li and Yue Dong
This article discusses the scale effects on a planing boat, utilizing the computational fluid dynamics method. The simulation is compared with a tank test for verification and validation. The planing boat sails use both aerodynamics and hydrodynamics. St...
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Muhammad S Ahmed
Pág. 3193 - 3206
The study acts as a pilot research to investigate the influence of organizations internal dynamics on PMM assessment levels and to outline a methodology that can help us to quantify it. It aims to analyze the influence of organizations internal dynamics ...
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Hamid Reza Ahmadi, Zaher Rahimi and Wojciech Sumelka
In this study, the behavior of double-walled carbon nanotubes (DWCNTs) used as mass sensors is explored under various boundary conditions; particular attention is paid to the crucial topic of resonant nanomechanical mass sensors. In the presented approac...
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