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Zhuopu Wang, Wenchao Zhang and Yuanzhe Liu
Solid rocket motors are prone to combustion instabilities, which may lead to various problems for the rockets, from unexpected oscillations, precision decreasing, to explosion. The unsteady combustion dynamics of the propellants play a crucial role in mo...
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Tarek S. Amer, Roman Starosta, Ashraf Almahalawy and Abdelkarim S. Elameer
This paper examines a new vibrating dynamical motion of a novel auto-parametric system with three degrees of freedom. It consists of a damped Duffing oscillator as a primary system attached to a damped spring pendulum as a secondary system. Lagrange?s eq...
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Philipp Maximilian Sieberg and Dieter Schramm
This contribution presents a central predictive control of the vehicle dynamics regarding the roll, self-steering and pitch behavior.
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Harald Habermann, Reinhard Schulte
Pág. 36 - 64
This paper links theories of growth models with the literature on serial autocorrelation of growth. We study the serial autocorrelation of tendencies of growth trajectories of employment and sales for German new ventures over a nine-year period using mos...
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Mohammed A. Kashmoola,Maan Y. anad Alsaleem,Naors Y. Anad Alsaleem,Mykola Moskalets
Pág. 12 - 20
A dynamic model of multiple interactions of n-elements of a complex mobile communication system is developed, which takes into account the nature of inter-element communications and phase states of the grouping of electronic devices. The model describes ...
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Joseph F. Horn
Flight control design for rotorcraft is challenging due to high-order dynamics, cross-coupling effects, and inherent instability of the flight dynamics. Dynamic inversion design offers a desirable solution to rotorcraft flight control as it effectively d...
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Costas Varotsos, Nicholas V. Sarlis, Yuri Mazei, Damir Saldaev and Maria Efstathiou
Remotely sensed data play a crucial role in monitoring the El Niño/La Niña Southern Oscillation (ENSO), which is an oceanic-atmospheric phenomenon occurring quasi-periodically with several impacts worldwide, such as specific biological and global climate...
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Gabriele Dessena, Dmitry I. Ignatyev, James F. Whidborne, Alessandro Pontillo and Luca Zanotti Fragonara
Beam-like flexible structures are of interest in many fields of engineering, particularly aeronautics, where wings are frequently modelled and represented as such. Experimental modal analysis is commonly used to characterise the wing?s dynamical response...
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Donghan Woo and Jung Kwan Seo
Fire accidents on ships and offshore structures lead to complex non-linear material and geometric behavior, which can cause structural collapse. This not only results in significant casualties, but also environmental catastrophes such as oil spills. Thus...
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Maxwell M. Taylor
Bullwhip effect is a threat observed in multi-echelon supply chains, which is one of the prominent indicators of inefficiencies in a supply chain. Primarily, bullwhip effect occurs as a result of disruptions in information and materials flow, lead-time d...
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Enrico Pipitone, Christian Maria Firrone and Stefano Zucca
Thin-walled gears, designed for aeronautical applications, have shown very rich dynamics that must be investigated in advance of the design phase. One of the signatures of their dynamics is coupling due to the meshing teeth which stand-alone gear models ...
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Paula karina Salume,Liliane Oliveira Guimaraes,Norma M. Rantisi
Pág. 341 - 364
Objective: The present study analyzes how the relation between the contextual, structural and instrumental dimensions of governance influence the evolution of productive agglomerations in the segment of gems and jewel. Method: Qualitative-descr...
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Martin De Wit, Matthew Heun, Douglas Crookes
Integrated energy-economic modelling is needed to support the development of energy and climate policies. This study asserts that it is important to consider a system dynamics modelling approach that includes dynamics, endogenous treatment of uncertainty...
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Ulrike Drähne, Nils Goseberg, Stefan Vater, Nicole Beisiegel and Jörn Behrens
This research is to facilitate the current understanding of long wave dynamics at coasts and during on-land propagation; experimental and numerical approaches are compared against existing analytical expressions for the long wave run-up. Leading depressi...
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Girish K Nair,Lewlyn Lester Raj Rodrigues
Pág. 14 - 26
There are several ratios which define the financial health of an organization but the importance of Net cash flow, Gross income, Net income, Pending bills, Receivable bills, Debt, and Book value can never be undermined as they give the exact picture of t...
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Peter Walter, Micheal Holmes, Razib Obaid, Lope Amores, Xianchao Cheng, James P. Cryan, James M. Glownia, Xiang Li, Ming-Fu Lin, May Ling Ng, Joseph Robinson, Niranjan Shivaram, Jing Yin, David Fritz, Justin James, Jean-Charles Castagna and Timur Osipov
Free-electron lasers (FEL), with their ultrashort pulses, ultrahigh intensities, and high repetition rates at short wavelength, have provided new approaches to Atomic and Molecular Optical Science. One such approach is following the birth of a photo elec...
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Aykut Tamer and Pierangelo Masarati
Rotorcraft stability is an inherently multidisciplinary area, including aerodynamics of rotor and fuselage, structural dynamics of flexible structures, actuator dynamics, control, and stability augmentation systems. The related engineering models can be ...
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Giuseppe Ciardullo, Leonardo Primavera, Fabrizio Ferrucci, Vincenzo Carbone and Fabio Lepreti
The formation of a cyclonic region in which nonlinear interactions generate turbulence in the form of small-scale vortices can be observed because of the different rotating air masses. Turbulence dynamics in cyclones (specifically hurricanes) has been un...
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Mala Rosa Aprillya,Erma Suryani,Anisa Dzulkarnain
Pág. 67 - 75
Background: Food security is a world problem that often affects developing countries, one of them in Indonesia. Along with the increasing population growth population in Indonesia, this will affect the level of demand for rice for food needs. The problem...
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Helena Bergstedt and Annett Bartsch
Freezing and thawing of the land surface affects ecosystem and hydrological processes, the geotechnical properties of soil and slope stability. Currently, available datasets on land surface state lack either sufficient temporal or spatial resolution to a...
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