Relevant bibliographies by topics / Force coupled oscillator

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Force coupled oscillator'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Force coupled oscillator"

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Jose, Sebin, Goutam Chakraborty, and Ranjan Bhattacharyya. "Force transmissibility characteristics of a pseudoelastic oscillator." Journal of Intelligent Material Systems and Structures 31, no. 3 (2019): 349–63. http://dx.doi.org/10.1177/1045389x19888736.

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The force transmissibility characteristics of a passive vibration isolator in the form of shape memory alloy bar are investigated. The shape memory alloy bar, together with a rigid mass, constitutes a single-degree-of-freedom system. The force isolation ability of the oscillator is evaluated for both isothermal and convective environmental conditions. The transmissibility curve of an isothermal pseudoelastic oscillator displays single and double jumps depending upon the forcing amplitude. The shape memory alloy oscillator with coupled thermomechanical behaviour depends on the cooling rate near
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Kang, Jaeyoung. "Parametric study on friction-induced coupled oscillator." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 222, no. 8 (2008): 1381–87. http://dx.doi.org/10.1243/09544062jmes987.

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This paper investigates the dynamic instability of a sliding oscillator subjected to non-linear friction force. The dynamic instability is determined by the system eigenvalues of the linearized equation of motion. Mode-coupling type instability and negative slope type instability are considered to be the mechanism generating the friction-induced vibration. The mode coupling between two vibration modes strongly depends on the system parameters such as the spring inclination angle. The conditions for the divergence and dynamic instability are presented in the mathematical form. The damping coeff
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Kim, Seunghwan, Seon Hee Park, and Chang Su Ryu. "Noise-induced transitions in coupled oscillator systems with a pinning force." Physical Review E 54, no. 6 (1996): 6042–52. http://dx.doi.org/10.1103/physreve.54.6042.

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Warminski, J., and K. Kecik. "Autoparametric vibrations of a nonlinear system with pendulum." Mathematical Problems in Engineering 2006 (2006): 1–19. http://dx.doi.org/10.1155/mpe/2006/80705.

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Vibrations of a nonlinear oscillator with an attached pendulum, excited by movement of its point of suspension, have been analysed in the paper. The derived differential equations of motion show that the system is strongly nonlinear and the motions of both subsystems, the pendulum and the oscillator, are strongly coupled by inertial terms, leading to the so-called autoparametric vibrations. It has been found that the motion of the oscillator, forced by an external harmonic force, has been dynamically eliminated by the pendulum oscillations. Influence of a nonlinear spring on the vibration abso
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Huang, Z. S., G. L. Gebber, S. Zhong, and S. M. Barman. "Forced oscillations in sympathetic nerve discharge." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 263, no. 3 (1992): R564—R571. http://dx.doi.org/10.1152/ajpregu.1992.263.3.r564.

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Periodic electrical stimulation of the medullary raphe or lateral tegmental field in baroreceptor-denervated cats was used to force the central systems responsible for the 10-Hz and 2- to 6-Hz rhythms in post-ganglionic sympathetic nerve discharge (SND). The 10-Hz rhythm in SND could be entrained either to the frequency of medullary stimulation or to harmonics of the stimulus frequency. The harmonic of the stimulus frequency to which the 10-Hz rhythm was entrained in one postganglionic nerve could be different from that in another nerve. On this basis, we propose that the circuits responsible
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Xia, Ji, Fuyin Wang, Chunyan Cao, Zhengliang Hu, Heng Yang, and Shuidong Xiong. "A Nanoscale Photonic Crystal Cavity Optomechanical System for Ultrasensitive Motion Sensing." Crystals 11, no. 5 (2021): 462. http://dx.doi.org/10.3390/cryst11050462.

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Optomechanical nanocavities open a new hybrid platform such that the interaction between an optical cavity and mechanical oscillator can be achieved on a nanophotonic scale. Owing to attractive advantages such as ultrasmall mass, high optical quality, small mode volume and flexible mechanics, a pair of coupled photonic crystal nanobeam (PCN) cavities are utilized in this paper to establish an optomechanical nanosystem, thus enabling strong optomechanical coupling effects. In coupled PCN cavities, one nanobeam with a mass meff~3 pg works as an in-plane movable mechanical oscillator at a fundame
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Chen, Yonghong, C. A. Tan, and L. A. Bergman. "Effects of Boundary Flexibility on the Vibration of a Continuum With a Moving Oscillator." Journal of Vibration and Acoustics 124, no. 4 (2002): 552–60. http://dx.doi.org/10.1115/1.1505029.

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In this paper, the problem of an oscillator traversing an elastically supported continuum is studied. The flexibility in the boundaries of the continuum is modeled by linear, transverse springs. The response of the continuum and the dynamic interaction force between the moving oscillator and the continuum are evaluated by an eigenfunction expansion series. To circumvent convergence difficulties associated with the jump in the shear force due to the moving interaction force, an improved series expansion employing the static Green’s function is derived. The coupled governing equations of motion
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Bocko, Mark F., and Roberto Onofrio. "On the measurement of a weak classical force coupled to a harmonic oscillator: experimental progress." Reviews of Modern Physics 68, no. 3 (1996): 755–99. http://dx.doi.org/10.1103/revmodphys.68.755.

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Gendelman, O. V., and Yu Starosvetsky. "Quasi-Periodic Response Regimes of Linear Oscillator Coupled to Nonlinear Energy Sink Under Periodic Forcing." Journal of Applied Mechanics 74, no. 2 (2006): 325–31. http://dx.doi.org/10.1115/1.2198546.

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Quasi-periodic response of a linear oscillator attached to nonlinear energy sink with relatively small mass under external sinusoidal forcing in a vicinity of main (1:1) resonance is studied analytically and numerically. It is shown that the quasi-periodic response is exhibited in well-defined amplitude-frequency range of the external force. Two qualitatively different regimes of the quasi-periodic response are revealed. The first appears as a result of linear instability of the steady-state regime of the oscillations. The second one occurs due to interaction of the dynamical flow with invaria
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Hamed, Y. S., Ali Kandil, and José Tenreiro Machado. "Utilizing Macro Fiber Composite to Control Rotating Blade Vibrations." Symmetry 12, no. 12 (2020): 1984. http://dx.doi.org/10.3390/sym12121984.

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This work applies an active control algorithm, using a macro fiber composite (MFC) to mitigate the unwanted vibrations of a rotating blade. The algorithm is a second-order oscillator, having the positive displacement signal of the blade for input and the suitable control force to actuate the blade for output. This oscillator is linearly coupled with the blade, having in mind that their natural frequencies must be in the vicinity of each other. The rotating blade is modeled by representing two vibrational directions that are linearly coupled. An asymptotic analysis is considered to understand t
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Dissertations / Theses on the topic "Force coupled oscillator"

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Forke, Roman. "Mikromechanisches kraftgekoppeltes Sensor-Aktuator-System für die resonante Detektion niederfrequenter Schwingungen." Doctoral thesis, Universitätsbibliothek Chemnitz, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-100498.

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Die vorliegende Arbeit beschreibt die Entwicklung und Charakterisierung eines mikromechanischen kraftgekoppelten Schwingsystems für die resonante Detektion niederfrequenter Schwingungen. Es wird ein neuartiges Prinzip vorgestellt, das es ermöglicht, niederfrequente Vibrationen frequenzselektiv zu erfassen. Mittels Amplitudenmodulation wird das niederfrequente Signal in einen höheren Frequenzbereich umgesetzt. Durch Ausnutzung der mechanischen Resonanzüberhöhung wird aus dem breitbandigen Signal ein schmales Band herausgefiltert, die anderen Frequenzbereiche werden unterdrückt. Auf diese Weise
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Meynial, Xavier. "Systèmes micro-intervalles pour instruments à vent à trous latéraux oscillation d'une anche simple couplée à un résonateur de forme simple /." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376079801.

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Meynial, Xavier. "Systèmes micro-intervalles pour instruments à vent à trous latéraux : oscillation d'une anche simple couplée à un résonateur de forme simple." Le Mans, 1987. http://www.theses.fr/1987LEMA1014.

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Dans la première partie, conception et réalisation de systèmes simples, permettant de translater d'un microintervalle donne la tessiture des instruments à trous latéraux. Dans la deuxieme partie, on s'intéresse à l'oscillation d'une anche simple couplée a un résonateur tronconique, en vue d'améliorer la modélisation de ce phénomène.
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Forke, Roman. "Mikromechanisches kraftgekoppeltes Sensor-Aktuator-System für die resonante Detektion niederfrequenter Schwingungen." Doctoral thesis, Universitätsverlag der Technischen Universität Chemnitz, 2012. https://monarch.qucosa.de/id/qucosa%3A19809.

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Die vorliegende Arbeit beschreibt die Entwicklung und Charakterisierung eines mikromechanischen kraftgekoppelten Schwingsystems für die resonante Detektion niederfrequenter Schwingungen. Es wird ein neuartiges Prinzip vorgestellt, das es ermöglicht, niederfrequente Vibrationen frequenzselektiv zu erfassen. Mittels Amplitudenmodulation wird das niederfrequente Signal in einen höheren Frequenzbereich umgesetzt. Durch Ausnutzung der mechanischen Resonanzüberhöhung wird aus dem breitbandigen Signal ein schmales Band herausgefiltert, die anderen Frequenzbereiche werden unterdrückt. Auf diese Weise
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Mussard, Bastien. "Modélisation quantochimiques des forces de dispersion de London par la méthode des phases aléatoires (RPA) : développements méthodologiques." Thesis, Université de Lorraine, 2013. http://www.theses.fr/2013LORR0292/document.

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Dans cette thèse sont montrés des développements de l'approximation de la phase aléatoire (RPA) dans le contexte de théories à séparation de portée. On présente des travaux sur le formalisme de la RPA en général, et en particulier sur le formalisme "matrice diélectrique" qui est exploré de manière systématique. On montre un résumé d'un travail sur les équations RPA dans le contexte d'orbitales localisées, notamment des développements des orbitales virtuelles localisées que sont les "orbitales oscillantes projetées" (POO). Un programme a été écrit pour calculer des fonctions telles que le trou
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Chao, Yi-Duo, and 趙貽鐸. "Synchronization of the Coupled forced Oscillators." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/96135124612462495401.

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Juang, Jeng-Yu, and 莊鎮宇. "Indentification of Coupled Flutter Derivatives of Bridge Decks by White-Noise Forced Oscillation Method." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/78295058119765119075.

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碩士<br>淡江大學<br>土木工程學系碩士班<br>95<br>Flutter is one of the aero-elastic behaviors in the wind-induced motion of bridges. The conventional approach for identifying flutter derivatives of bridges is to use the free vibration method which has disadvantages, such as lack of consistency due to high sensitivity of free vibration responses to the test condition/environment, and the error inherited by treating free vibration frequency as excitation frequency. To overcome these shortcomings, this thesis presents a new identification approach by utilizing indirect forced actuation in cooperation with wind
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Book chapters on the topic "Force coupled oscillator"

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Garrett, Steven L. "The Simple Harmonic Oscillator." In Understanding Acoustics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44787-8_2.

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Abstract This chapter will introduce a system that is fundamental to our understanding of more physical phenomena than any other. Although the “simple” harmonic oscillator seems to be only the combination of the most mundane components, the formalism developed to explain the behavior of a mass, spring, and damper is used to describe systems that range in size from atoms to oceans. Our investigation goes beyond the “traditional” treatments found in the elementary physics textbooks. For example, the introduction of damping will open a two-way street: a damping element (i.e., a mechanical resistance, Rm) will dissipate the oscillator’s energy, reducing the amplitudes of successive oscillations, but it will also connect the oscillator to the surrounding environment that will return thermal energy to the oscillator. The excitation of a harmonic oscillator by an externally applied force, displacement, or combination of the two will result in a response that is critically dependent upon the relationship between the frequency of excitation and the natural frequency of the oscillator and will introduce the critical concepts of mechanical impedance, resonance, and quality factor. Finally, the harmonic oscillator model will be extended to coupled oscillators that are represented by combinations of several masses and several springs.
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Orlik, Marek. "Cooperative Dynamics of Coupled and Forced Oscillators." In Self-Organization in Electrochemical Systems II. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27627-9_3.

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Pascal, Madeleine, and Sergey Stepanov. "Periodic Motions of Coupled Oscillators Excited by Dry Friction and Harmonic Force." In Springer Proceedings in Mathematics & Statistics. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-08266-0_30.

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Landa, P. S. "Oscillations of coupled non-linear oscillators excited by an external periodic force." In Nonlinear Oscillations and Waves in Dynamical Systems. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-015-8763-1_12.

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Kislovsky, V., and Y. Starosvetsky. "Analysis of the Beating States in the System of Nonlinearly Coupled Parametrically Forced Oscillators." In Advanced Structured Materials. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-92234-8_2.

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Epstein, Irving R., and John A. Pojman. "Coupled Oscillators." In An Introduction to Nonlinear Chemical Dynamics. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195096705.003.0018.

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We have thus far learned a great deal about chemical oscillators, but, except in Chapter 9, where we looked at the effects of external fields, our oscillatory systems have been treated as isolated. In fact, mathematicians, physicists, and biologists are much more likely than are chemists to have encountered and thought about oscillators that interact with one another and with their environment. Forced and coupled oscillators, both linear and nonlinear, are classic problems in mathematics and physics. The key notions of resonance and damping that arise from studies of these systems have found their way into several areas of chemistry as well. Although biologists rarely consider oscillators in a formal sense, the vast variety of interdependent oscillatory processes in living systems makes the representation of an organism by a system of coupled oscillators a less absurd caricature than one might at first think. In this chapter, we will examine some of the rich variety of behaviors that coupled chemical oscillators can display. We will consider two approaches to coupling oscillatory chemical reactions, and then we will look at the phenomenology of coupled systems. We begin with some general considerations about forced oscillators, which constitute a limiting case of asymmetric coupling, in which the linkage between two oscillators is infinitely stronger in one direction than in the other. As an aid to intuition, picture a child on a swing or a pendulum moving periodically. The forcing consists of an impulse that is applied, either once or periodically, generally with a frequency different from that of the unforced oscillator. In a chemical oscillator, the forcing might occur through pulsed addition of a reactive species or variation of the flow rate in a CSTR. Mathematically, we can write the equations describing such a system as . . . dX/dt = f(x) + ε g(X, t) (12.1) . . . where the vector x contains the concentrations, the vector function f(x) contains all the rate and flow terms in the absence of forcing, g(x) represents the appropriately scaled temporal dependence of the forcing, and the scalar parameter e specifies the strength of the forcing.
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Thomas, Michael E. "Electrodynamics I: Macroscopic Interaction of Light and Matter." In Optical Propagation in Linear Media. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195091618.003.0008.

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Thus far, we have developed the properties of the electromagnetic field at optical frequencies, based on Maxwell’s equations. These equations further give a classical macroscopic perspective on the coupling of the propagation media to the field, as presented in Chapter 2. The macroscopic properties of a medium are based on averaged microscopic properties. The microscopic energy structure of matter was presented in Chapter 3, covering gases, solids, and liquids by employing mostly quantum models. We now proceed to the next level of development, the dynamic description of the interaction between the optical field and the propagation medium as a function of the field frequency and propagation media variables (e.g., energy structure, temperature, and pressure). In this chapter, the classical electromagnetic field is coupled to discrete frequency oscillators via Newton’s equation of motion. This approach leads to the popular classical oscillator model, often presented in introductory books on lasers. The classical oscillator model is an incomplete theory and can be only a semiempirical model. In the next chapter, a more detailed and comprehensive approach, which also includes statistical and quantum mechanics, is used leading to robust semiclassical and quantum oscillator models. This chapter and the next are the basis for the applied models presented in Part II of this book. Classical electrodynamics is based on Maxwell’s equations, as given in Chapter 2, and the Lorentz force relation, as given below: . . . F = q[E + (v × B)]. (4.1) . . . These equations cover the classical description of the interaction of light and matter. The first term in Eq. 4.1 represents coupling of the electric field to the medium. As discussed in Chapter 2 (Section 2.2), the leading mechanism for this is the electric dipole moment. To see that this is the coupling mechanism in the first term, consider the potential function driving this force, F = −∇V(r) = −∇(−qr · E). The above expression contains the dipole moment, as defined in Chapter 2. The second term in Eq. 4.1 represents coupling of the magnetic field to the medium.
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Pismen, LM. "Chaotic, Forced, and Coupled Oscillators." In Working with Dynamical Systems. CRC Press, 2020. http://dx.doi.org/10.1201/9780429488856-4.

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Nitzan, Abraham. "The Spin–Boson Model." In Chemical Dynamics in Condensed Phases. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780198529798.003.0018.

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In a generic quantum mechanical description of a molecule interacting with its thermal environment, the molecule is represented as a few level system (in the simplest description just two, for example, ground and excited states) and the environment is often modeled as a bath of harmonic oscillators. The resulting theoretical framework is known as the spin–boson model, a term that seems to have emerged in the Kondo problem literature (which deals with the behavior of magnetic impurities in metals) during the 1960s, but is now used in a much broader context. Indeed, it has become one of the central models of theoretical physics, with applications in physics, chemistry, and biology that range far beyond the subject of this book. Transitions between molecular electronic states coupled to nuclear vibrations, environmental phonons, and photon modes of the radiation field fall within this class of problems. The present chapter discusses this model and some of its mathematical implications. The reader may note that some of the subjects discussed in Chapter 9 are reiterated here in this more general framework. In Sections 2.2 and 2.9 we have discussed the dynamics of the two-level system and of the harmonic oscillator, respectively. These exactly soluble models are often used as prototypes of important classes of physical system. The harmonic oscillator is an exact model for a mode of the radiation field and provides good starting points for describing nuclear motions in molecules and in solid environments. It can also describe the short-time dynamics of liquid environments via the instantaneous normal mode approach. In fact, many linear response treatments in both classical and quantum dynamics lead to harmonic oscillator models: Linear response implies that forces responsible for the return of a system to equilibrium depend linearly on the deviation from equilibrium—a harmonic oscillator property! We will see a specific example of this phenomenology in our discussion of dielectric response in Section 16.9.
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MAREK, MILOS, and IGOR SCHREIBER. "CHAOS IN FORCED AND COUPLED CHEMICAL OSCILLATORS AND EXCITATORS." In Chaos in Chemistry and Biochemistry. WORLD SCIENTIFIC, 1993. http://dx.doi.org/10.1142/9789814354745_0004.

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Conference papers on the topic "Force coupled oscillator"

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Haaker, T. I. "Analysis of a Class of Coupled Nonlinear Oscillators With an Application to Flow Induced Vibrations." In ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/vib-21416.

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Abstract We consider in this paper the following system of coupled nonlinear oscillatorsx..+x-k(y-x)=εf(x,x.),y..+(1+δ)y-k(x-y)=εf(y,y.). In this system we assume ε to be a small parameter, i.e. 0 &amp;lt; ε ≪ 1. A coupling between the two oscillators is established through the terms involving the positive parameter k. The coupling may be interpreted as a mutual force depending on the relative positions of the two oscillators. For both ε and k equal to zero the two oscillators are decoupled and behave as harmonic oscillators with frequencies 1 and 1+δ, respectively. The parameter δ may therefo
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Thorsen, Mats J., Svein Sævik, and Carl M. Larsen. "Time Domain Simulation of Vortex-Induced Vibrations Based on Phase-Coupled Oscillator Synchronization." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-41881.

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Since 2012, there has been ongoing development of a simplified hydrodynamic force model at the Norwegian University of Science and Technology which enables time domain simulation of vortex-induced vibrations (VIV). Time domain simulation has a number of advantages compared to frequency domain. More specifically, having a time domain formulation of the hydrodynamic force which is efficient and reliable, will allow designers to include any relevant non-linear effects in their simulations, thereby increasing the level of realism and confidence in the results. The present model computes the dynami
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Gourc, Etienne, Guilhem Michon, Se´bastien Seguy, and Alain Berlioz. "Experimental Investigation and Theoretical Analysis of a Nonlinear Energy Sink Under Harmonic Forcing." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48090.

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In the present works, we examine experimentally and theoretically the dynamic behavior of linear oscillator strongly coupled to a nonlinear energy sink under external periodic forcing. The nonlinear oscillator has a nonlinear restoring force realized geometrically with two linear springs that extend axially and are free to rotate. Hence, the force-displacement relationship is cubic. The linear oscillator is directly excited via an electrodynamic shaker. Experiments realized on the test bench consist of measuring the displacement of the oscillators while increasing and decreasing frequencies ar
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Zhu, W. D., and C. D. Mote. "Free and Forced Response of an Axially Moving String Transporting a Damped Linear Oscillator." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0135.

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Abstract The transverse response of a cable transport system, which is modelled as an ideal, constant tension string travelling at constant speed between two supports with a damped linear oscillator attached to it, is predicted for arbitrary initial conditions, external forces and boundary excitations. The exact formulation of the coupled system reduces to a single integral equation of Volterra type governing the interaction force between the string and the payload oscillator. The time history of the interaction force is discontinuous for non-vanishing damping of the oscillator. These disconti
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Xiros, Nikolaos I. "Nonlinear Control Modeling for Arrays of Coupled Mechatronic Transducers." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89424.

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A typical mechatronic oscillator involving a tuned resistor-inductor-capacitor circuit driven by a voltage source and coupled to a mass-spring-damper mechanical subsystem is analyzed in order to develop a nonlinear control model. The analysis is approached using the Volterrra/Wiener framework of nonlinear systems combined with the Hilbert Transform. The former is needed since the coupling between the electrical and mechanical parts is lost, should standard linearization is adopted. The latter is needed since a very important characteristic of the system, due to the presence of the capacitance,
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Ding, Lingyun, Zhongliang Gong, and Ping Huang. "Study on the Atomic-Scale Mechanism of Static Friction." In STLE/ASME 2008 International Joint Tribology Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ijtc2008-71127.

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A new model named as the coupled-oscillator model, is proposed to study the atomic-scale static friction. The Maugis-Dugdal model is used to approximately substitute the Lennard-Jones potential of the interfacial friction in new model. Then, the formulas for static friction force and coefficient calculation are deduced. A comparison between the theoretical result and the experimental value obtained by an atomic force microscope is presented to show the model and the formulas practically feasible.
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Tang, Yougang, Liyuan Wang, Yangqing Li, and Zhongbai Liu. "The Dynamic Response Induced by the Random Heave of Platform and Vortex for TTRs." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10203.

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The dynamic responses of TTRs in the deep water were studied considering coupled the random heave of platform and VIV. The random parametric excitation is set up considering the random motion of platform. The vortex lift force is calculated with the time-varying lift coefficient based on the Van der Pol drafting oscillator model. The equation of coupled VIV and parametric excitation vibration (PEV) is established and the program of solving coupled PEV and VIV is developed. The coupled dynamic response induced by random parametrical excitation and VIV is calculated for the TTR of Truss Spar, an
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Melcher, John. "Eigenvalue Veering in Quartz Tuning Fork Sensors and its Effect on Dynamic Atomic Force Microscopy." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-35673.

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Quartz tuning fork (QTF) sensors offer an attractive alternative to traditional silicon microcantilevers for sensing applications in dynamic atomic force microscopy (DAFM). The QTF sensor consists of two identical, weakly-coupled tines with a sharp tip affixed to the distal end of one tine. The fundamental anti-phase mode of the QTF achieves a stable resonant frequency with a high Quality factor making it ideal for DAFM applications in which a small shift in the resonant frequency is linked to a tip-sample force. The addition of the tip-sample force also breaks the symmetry of the QTF leading
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AL-Shudeifat, Mohammad A., and Adnan S. Saeed. "Frequency-Energy Dependence of the Bistable Nonlinear Energy Sink." In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-67780.

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Recently, the bistable attachment has been employed as a nonlinear energy sink (NES) for passive targeted energy transfer (TET) from linear structures. The bistable NES (BNES) has been coupled with a linear oscillator (LO) where the resulting LO-BNES system has been studied for passive TET. The nonlinear coupling force between the BNES and the associated LO comprises both negative and nonnegative linear and nonlinear stiffness components. Here, the dynamic behavior of the LO-BNES system on the frequency-energy plot is analyzed. The related FEP plot is obtained via numerical simulation techniqu
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Bettrich, Valentin, and Reinhard Niehuis. "Experimental Investigations of a High Frequency Master-Slave Fluidic Oscillator to Achieve Independent Frequency and Mass Flow Characteristics." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66782.

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Abstract:
High frequency fluidic oscillators have been of scientific interest for many decades. Especially over the last couple of years fluidic oscillators became more important for active flow control applications. At the Institute of Jet Propulsion of the University of the German Federal Armed Forces Munich studies on different kinds of flow control methods were carried out on aerodynamically highly loaded low pressure turbine blades. On the basis of these studies, the most efficient way to trigger transition at low Reynolds numbers was found to be with fluidic oscillators at frequencies up to 10 kHz
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