Academic literature on the topic 'Frequency dependent damping'

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Journal articles on the topic "Frequency dependent damping"

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Viet, La Duc. "On the trade-off performance curve of vibration isolation controlled by passive or adaptive dampings." Vietnam Journal of Mechanics 45, no. 2 (2023): 131–44. http://dx.doi.org/10.15625/0866-7136/18148.

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This paper addresses an on-off adaptive damping isolation, in which the damping can be frequency dependent. The comparison with the passive isolation is illustrated by the trade off performance curve, which is shown the relation between the displacement and force transmissibility. The adaptive control is based on on-off dampings and a switching frequency. The analytical optimization of the adaptive damping law can be obtained. The optimized adaptive damping control showed a remarkable improvement comparing with the passive one. At last, a self-made magnetorheological fluid is introduced to sho
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Zhang, Zhong Ming, Jin Cheng Wang, Chun Jie Xu, Wei Ming Li, and Gang Wang. "Study on Damping Capacities of Nodular Cast Iron Dense Bar Produced by Horizontal Continuous Casting." Advanced Materials Research 399-401 (November 2011): 250–53. http://dx.doi.org/10.4028/www.scientific.net/amr.399-401.250.

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Damping capacities of the annealed nodular cast iron dense bar produced by horizontal continuous casting were measured by Dynamic Mechanical Analyzer. The relation of damping capacities with vibration amplitude, frequency and temperature was analyzed to investigate the damping mechanism of the alloy. The results show that the damping capacities increase with increasing temperature and frequency. The internal friction spectra exhibits two internal friction peaks at about 40°C and 150°C and caused by Snoek relaxation and Snoek-Köster relaxation, respectively. The maximum damping capacity can be
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Fenander, Å. "Frequency dependent stiffness and damping of railpads." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 211, no. 1 (1997): 51–62. http://dx.doi.org/10.1243/0954409971530897.

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The vertical stiffness and damping of studded rubber railpads have been measured, both in a complete track and in a test rig, as functions of frequency under different static preloads. Also, for more compact polymer-based railpads, track measurements were performed. The stiffness of the studded railpads was found to increase strongly with preload, but only weakly with frequency. The loss factor of the studded railpads was found to be nearly independent of preload and to increase only slightly with frequency. A fractional derivative model of the dynamic behaviour of the railpad is proposed.
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Hu, Xiao Shi, Kun Wu, and Ming Yi Zheng. "Low Frequency Damping Behaviors of Magnesium Alloys." Advanced Materials Research 15-17 (February 2006): 479–84. http://dx.doi.org/10.4028/www.scientific.net/amr.15-17.479.

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The effect of different alloying elements including Ni, Si and Al and various mass contents of these elements on the low frequency damping behaviors of magnesium alloys were investigated. The measurements of strain dependent and temperature dependent damping capacities of these magnesium alloys were carried out using dynamic mechanical analyzer (DMA), and the very different damping behaviors of these magnesium alloys were found. The hypoeutectic magnesium alloys with low solubility alloying elements such as Si and Ni shown extremely high damping capacities. But the Mg-Al alloys exhibited very
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Tian, Yuan, Yifan Fei, Yuli Huang, and Xinzheng Lu. "A universal rate-dependent damping model for arbitrary damping-frequency distribution." Engineering Structures 255 (March 2022): 113894. http://dx.doi.org/10.1016/j.engstruct.2022.113894.

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Wan, Di Qing, Bo Lin He, Jin Cheng Wang, and Gen Cang Yang. "Strain Amplitude Dependence of Damping Capacity in High Damping Mg-Based Alloys Continuously Extending to Microplastic Strain." Advanced Materials Research 97-101 (March 2010): 937–40. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.937.

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An investigation on low frequency strain amplitude dependence damping characteristic of as-cast high damping Mg-based alloys continuously extending to microplastic strain was carried out. Two-stage damping behavior via strain amplitude was particularly reported. The first is the strain amplitude strongly dependent part due to breakaway loss and the second is the strain amplitude weakly dependent part due to microplastic deformation loss, which is also frequency dependent. The damping mechanism is discussed in detail.
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Chang, Der-Wen, J. M. Roesset, and Chan-Hua Wen. "A time-domain viscous damping model based on frequency-dependent damping ratios." Soil Dynamics and Earthquake Engineering 19, no. 8 (2000): 551–58. http://dx.doi.org/10.1016/s0267-7261(00)00072-5.

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Hayama, Shinji. "Frequency-Dependent Damping Forces in an Oil Damper." JOURNAL OF THE MARINE ENGINEERING SOCIETY IN JAPAN 22, no. 8 (1987): 529–32. http://dx.doi.org/10.5988/jime1966.22.529.

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Esquivel-Sirvent, R. "Frequency-dependent Drude damping in Casimir force calculations." Journal of Physics: Conference Series 161 (April 1, 2009): 012012. http://dx.doi.org/10.1088/1742-6596/161/1/012012.

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Sharma, Mrigank, and Edmond Cretu. "Frequency-dependent noise analysis and damping in MEMS." Microsystem Technologies 15, no. 8 (2009): 1129–39. http://dx.doi.org/10.1007/s00542-008-0767-0.

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Dissertations / Theses on the topic "Frequency dependent damping"

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Lam, Margaretha Johanna. "Hybrid Active/Passive Models with Frequency Dependent Damping." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30770.

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To add damping to structures, viscoelastic materials (VEM) are added to structures. In order to enhance the damping effect of the VEM, a constraining layer is attached, creating a passive constrained layer damping treatment (PCLD). When this constraining layer is an active element, the treatment is called active constrained layer damping (ACLD). Recently, the investigation of ACLD treatments has shown it to be an effective method of vibration suppression. In this work, two new hybrid configurations are introduced by separating the passive and active elements. In the first variation
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Salmanoff, Jason. "A Finite Element, Reduced Order, Frequency Dependent Model of Viscoelastic Damping." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/36518.

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This thesis concerns itself with a finite element model of nonproportional viscoelastic damping and its subsequent reduction. The Golla-Hughes-McTavish viscoelastic finite element has been shown to be an effective tool in modeling viscoelastic damping. Unlike previous models, it incorporates physical data into the model in the form of a curve fit of the complex modulus. This curve fit is expressed by minioscillators. The frequency dependence of the complex modulus is accounted for by the addition of internal, or dissipation, coordinates. The dissipation coordinates make the viscoelastic
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Valdés, Julio R. "Simultaneous determination of frequency dependent modulus and damping from resonant column tests." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/20169.

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Walter, Jochen. "Pulse and hold switching current readout of superconducting quantum circuits." Doctoral thesis, Stockholm : AlbaNova universitetscentrum, Kungliga tekniska högskolan, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4156.

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Harris, Joel Mark. "Static characteristics and rotordynamic coefficients of a four-pad tilting-pad journal bearing with ball-in-socket pivots in load-between-pad configuration." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-3194.

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Akoussan, Komlan. "Modélisation et conception de structures composites viscoélastiques à haut pouvoir amortissant." Thesis, Université de Lorraine, 2015. http://www.theses.fr/2015LORR0188/document.

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L’objectif de ce travail est de développer des outils numériques utilisables dans la détermination de manière exacte des propriétés modales des structures sandwichs viscoélastiques composites au vue de la conception des structures sandwichs viscoélastiques légères mais à haut pouvoir amortissant. Pour cela nous avons tout d’abord développé un outil générique implémenté en Matlab pour la détermination des propriétés modales en vibration libre des plaques sandwichs viscoélastiques dont les faces sont en stratifié de plusieurs couches orientées dans diverses directions. L’intérêt de cet outil, ba
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Book chapters on the topic "Frequency dependent damping"

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Bek, M., and I. Emri. "Using Hydrostatic Pressure to Maximize Frequency Dependent Damping Properties of Thermoplastic Polyurethane." In Challenges in Mechanics of Time Dependent Materials, Volume 2. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41543-7_15.

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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 resista
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Collina, Andrea, Roberto Corradi, Egidio Di Gialleonardo, and Qianqian Li. "Wheelset-Track Dynamic Interaction Modelling with Frequency- and Preload-Dependent Stiffness and Damping of Resilient Track Components." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-07305-2_27.

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Popov, G. "Dynamics of Vehicle Suspensions with Valves Providing Frequency-Dependent Damping." In Impact And Friction Of Solids, Structures And Intelligent Machines. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812792518_0054.

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Yang, Jao-Joe, Mattan Kamon, Vladimir L. Rabinovich, et al. "Modeling gas damping and spring phenomena in MEMS with frequency-dependent macro-models." In Computational Fluid and Solid Mechanics. Elsevier, 2001. http://dx.doi.org/10.1016/b978-008043944-0/50933-1.

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"9. Sturm–Liouville problem as a damped oscillator with time dependent damping and frequency." In Oscillatory Models in General Relativity. De Gruyter, 2017. http://dx.doi.org/10.1515/9783110515367-009.

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Jin, D. S., M. R. Matthews, J. R. Ensher, C. E. Wieman, and E. A. Cornell. "Temperature-Dependent Damping and Frequency Shifts in Collective Excitations of a Dilute Bose-Einstein Condensate." In Collected Papers of Carl Wieman. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812813787_0067.

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Zhang, Dongyang, Houdong Rao, Guoxing Lin, and Wei Cheng. "Calculation of Composite Loss Factor Based on Iterative MSE Method." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220465.

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Modal strain energy (MSE) method is a widely used approximation approach for parameter calculation of damped composite structures. In this paper, iterative MSE method is proposed to calculate the loss factor of composite damping structure by considering the frequency dependence of modulus and loss factor of viscoelastic damping materials. The proposed method is applied to free damping spline, free damping plate and constrain damping plate. The results show that: the proposed method obtains minimum relative errors of less than 5% and less than 20% for nature frequency and composite loss factor.
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Verma, Pratibha, and Arpan Deyasi. "Investigating Opto-Electronic Properties of Surface Plasmon Structure for Spectroscopic Applications." In Contemporary Developments in High-Frequency Photonic Devices. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8531-2.ch010.

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This chapter is proposed with an approach to analyze reflectance as a function of negative index material thickness for different parameters under the surface plasmon condition and extended approach towards the field enhancement of electric field as function of incidence angle and transmittance as function of incidence angle has been analyzed. This chapter can reflect the good comparison between 3 layer medium and n layer medium model. Characteristic impedance of MIM surface plasmon structure is analytically calculated considering the effect of both Faraday inductance and kinetic inductance. E
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Uzuoka R. "Loading rate dependency of the subgrade reaction for a pile in liquefied ground." In Proceedings of the 16th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2005. https://doi.org/10.3233/978-1-61499-656-9-2193.

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The purpose of this study is to clarify the loading rate dependency of subgrade reaction for a single pile in liquefied ground. The parametric studies were performed by incorporating the dynamic soil-pore water coupled formulation and a newly proposed constitutive model. The model can explicitly treat the degree of liquefaction by changing the lower limit of the mean effective stress. The liquefied soil at a certain depth around a pile is modeled with finite elements under the plane stress condition. The subgrade reaction for a pile is calculated under various loading frequencies and degrees o
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Conference papers on the topic "Frequency dependent damping"

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Moon, Todd K. "Estimating Damping and Frequency-Dependent Wave Velocity Using Arrays of Seismic Sensors." In 2025 Intermountain Engineering, Technology and Computing (IETC). IEEE, 2025. https://doi.org/10.1109/ietc64455.2025.11039477.

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Simmons, Gray, Andrew Kreshock, Robert Thornburgh, Cristina Riso, and Martin Sekula. "Experimental Amplitude-Dependent Characterization of the TiltRotor Aeroelastic Stability Testbed." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-109.

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This paper investigates the amplitude-dependent characteristics of the TiltRotor Aeroelastic Stability Testbed. The recovery rate, MultiProny, and Stockwell transform methods are employed to measure nonlinear effects in the system, overcoming the limitations of conventional methods like logarithmic decrement, moving-block analysis, and Prony series that assume linear (amplitude-independent) behavior. The proposed methods reveal amplitude-dependent trends that conventional methods obfuscate, providing deeper insights into tiltrotor dynamics. A comprehensive study of ground vibration and wind tu
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Chen, Lin, Daixin Yang, and Limin Sun. "Neural networks for modeling high-damping rubber (HDR) damper with applications to cable vibration control." In IABSE Symposium, Tokyo 2025: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches. International Association for Bridge and Structural Engineering (IABSE), 2025. https://doi.org/10.2749/tokyo.2025.3319.

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<p>Long-span bridge components are susceptible to multimode vibrations from wind and earthquakes. Dampers are widely used to mitigate these vibrations, requiring accurate mechanical characterization for effective control and optimization. Traditional damper models, characterized by frequency- and amplitude-dependent behavior, are more suitable for frequency-domain analysis instead of time-domain analysis. This paper introduces a neural network model to precisely capture damper force-displacement relationships across varying amplitudes and frequencies, enabling single-model analysis of mu
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Lim, Yo-An, Hyo Sung Ahn, and Jeha Ryu. "Performance of equivalent frequency-dependent damping." In 2009 world Haptics Conference (WHC 2009). IEEE, 2009. http://dx.doi.org/10.1109/whc.2009.4810824.

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Hasapis, Th C., J. Androulakis, E. Hatzikraniotis, K. M. Paraskevopoulos, and M. G. Kanatzidis. "Frequency dependent electron damping in n-type PbSe." In 9TH EUROPEAN CONFERENCE ON THERMOELECTRICS: ECT2011. AIP, 2012. http://dx.doi.org/10.1063/1.4731520.

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Pascual, Blanca, and Sondipon Adhikari. "Dynamic Response of Structures with Frequency Dependent Damping Models." In 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
16th AIAA/ASME/AHS Adaptive Structures Conference
10t
. American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-2189.

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Bajer, Andrzej. "Mode-Based Frequency Response Analysis With Frequency-Dependent Material Properties." In ASME 2008 Noise Control and Acoustics Division Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ncad2008-73051.

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A new algorithm for mode-based frequency response analysis, which takes into account frequency-dependent material properties, is proposed. First, the projection subspace is determined by computing the eigenmodes of the system. If the AMLS-type eigensolver is used and the frequency-dependent material is confined to a limited area (often less than 1% of the whole model), eigenmodes are computed only in the region with the frequency-dependent material. Next, during the frequency response analysis portions (corresponding to the frequency-dependent material) of the stiffness, viscous damping, and s
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Kaasen, Karl Erik, and Knut Mo. "Efficient Time-Domain Model for Frequency-Dependent Added Mass and Damping." In ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/omae2004-51495.

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In simulation of 1st-order wave-induced motion of vessels it is sometimes necessary to express frequency-dependent added mass and damping in time-domain formulation. One way to do this is to transform the frequency dependence into retardation functions. During simulation these are convolved with the velocity history, which is time-consuming and impractical. To get a more efficient model a method for expressing the retardation function as a linear differential equation has been developed. The method calculates the coefficients of the differential equation from the damping function only, avoidin
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Pinsker, R. I., Philip M. Ryan, and David Rasmussen. "Time-Dependent Modeling of Nonlinear Plasma Response to Fast Waves With Multiple Damping Mechanisms." In RADIO FREQUENCY POWER IN PLASMAS: 17th Topical Conference on Radio Frequency Power in Plasmas. AIP, 2007. http://dx.doi.org/10.1063/1.2800528.

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Judge, Carolyn Q. "Frequency Dependence of Hydrodynamic Coefficients in Roll." In SNAME 29th American Towing Tank Conference. SNAME, 2010. http://dx.doi.org/10.5957/attc-2010-032.

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A series of tow tank tests were performed to determine whether the added mass moment of inertia in roll and damping roll coefficient for a planing hull are frequency dependent. The model was forced in roll while running at planing speeds. The model was free to heave and pitch, but restrained in sway and yaw. The roll motion, pitch motion, speed and the force required for the roll oscillation where recorded. From these data, the roll stiffness coefficient, the damping roll coefficient, and the added mass moment of inertia in roll were calculated at various oscillation frequencies. The roll damp
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