Academic literature on the topic 'Visco Elastic Damper'

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Journal articles on the topic "Visco Elastic Damper"

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Dadkhah Khiabani, Ehsan, Hosein Ghaffarzadeh, Babak Shiri, and Javad Katebi. "Spline collocation methods for seismic analysis of multiple degree of freedom systems with visco-elastic dampers using fractional models." Journal of Vibration and Control 26, no. 17-18 (2020): 1445–62. http://dx.doi.org/10.1177/1077546319898570.

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The visco-elastic dampers can be economically designed for response reduction of dynamical systems. Recent developments in fractional calculus have affected the modeling of visco-elastic materials. The fractional models for visco-elastic dampers, which are parsimonious, require fewer parameters in comparison with other models. In this paper, we use the visco-elastic dampers for control of structural responses. The visco-elastic damper utilizes three important parameters including damping coefficient, stiffness, and fractional order. The dynamic model of the building with visco-elastic dampers
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Kohara, Katsuhiko, Takeshi Nomura, and Kazuyoshi Koumoto. "A Development of the Visco-Elastic Damper for Timber Structure and a Suggestion of the Technological Design Assistance System." Advanced Materials Research 778 (September 2013): 714–21. http://dx.doi.org/10.4028/www.scientific.net/amr.778.714.

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Our research team developed a brace type and an angle brace type of the visco-elastic damper on seismic-response controlled structure for timber structure. We performed various dependence evaluations by the materials examination of the styrene olefin-based visco-elastic body which we developed newly. We made a structural model using the performance that loading tests in timber frame. We inspected the validity of the structural model. In addition, we built a technical support system for damper setting by the time history response analysis so that a general design architect was easy to use the d
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Sun, Huang Sheng, and Li Nuo Cheng. "Connecting Parameter Study on Adjacent Structures Linked by Dampers." Advanced Materials Research 243-249 (May 2011): 3832–38. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.3832.

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In order to research the optimal parameters of dampers linking adjacent structures for seismic mitigation, two SDOF systems connected with visco-elastic damper (VED) are taken as research object and the primary structural vibration frequency ratio, connection stiffness and linking damping ratio as research parameters. Modified Kanai-Tajimi spectrum is selected to model the earthquake excitation. The peak distribution of power spectral density curves are analyzed, then the formulas of structural mean squared displacement (MSD) and research parameters is derived based on random vibration theory.
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Mazilu, Traian, and Dorina Fologea. "Rail Damper Functionality-Modelling and Experimental Determinations." Materials Science Forum 957 (June 2019): 23–32. http://dx.doi.org/10.4028/www.scientific.net/msf.957.23.

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Rail traffic is a significant source of noise pollution for inhabited areas near the railway lines, especially because of the rolling noise generated by the trains. One of the solutions to mitigate the rolling noise emerged from trains that is increasingly being applied lately is the use of rail dampers. These rail dampers are mechanical devices designed to attenuate the propagation of bending waves along the rail from the contact areas with the vehicles wheels, thus reducing the level of rail vibration and, consequently, the noise level produced by it. Most of the rail dampers include steel p
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ISHIKAWA, Ritsuko, Hitoshi SUWA, and Matsutaro SEKI. "MODELING OF NON-LINEAR VISCO-ELASTIC DAMPER." Journal of Structural and Construction Engineering (Transactions of AIJ) 66, no. 544 (2001): 47–52. http://dx.doi.org/10.3130/aijs.66.47_2.

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Chiba, T., and H. Kobayashi. "Response Characteristics of Piping System Supported by Visco-Elastic and Elasto-Plastic Dampers." Journal of Pressure Vessel Technology 112, no. 1 (1990): 34–38. http://dx.doi.org/10.1115/1.2928583.

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Improving the reliability of the piping systems can be achieved by eliminating the mechanical snubber and by reducing the response of the piping. In the seismic design of piping system, damping is one of the important parameters to reduce the seismic response. It is reported that the energy dissipation at piping supports contributes to increasing the damping ratio of piping system. Visco-elastic damper (VED) and elasto-plastic damper (EPD) were developed as more reliable, high-damping piping supports. The dynamic characteristics of these dampers were studied by the component test and the full-
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KATAGIHARA, Kenichi, Ryunosuke OKAMOTO, and Satsuya SODA. "RECOMMENDATIONS FOR SEISMIC STRENGTHENING DESIGN BY VISCO-ELASTIC DAMPER." AIJ Journal of Technology and Design 6, no. 10 (2000): 35–40. http://dx.doi.org/10.3130/aijt.6.35.

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SODA, Satsuya, Jyunichi WADA, Yuuichi HIRATA, and Hisayuki YAMANAKA. "VISCO-ELASTIC DAMPER : CYCLIC LOADING TEST TO CONSTRUCT MECHANICAL MODEL." Journal of Structural and Construction Engineering (Transactions of AIJ) 59, no. 457 (1994): 29–36. http://dx.doi.org/10.3130/aijs.59.29_1.

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IKAWA, Nozomu, Shinji ITO, Takehiko TANUMA, and Kazuhiro WATANABE. "Evaluation of Earthquake Response of High-rise Building with Visco-elastic Damper." Journal of JAEE 15, no. 7 (2015): 7_306–7_315. http://dx.doi.org/10.5610/jaee.15.7_306.

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IZUMIZAWA, Takashi, Koji TAKAHASHI, Shinichi IIZUKA, Tadamichi YAMASHITA, Yukimori YANAGAWA, and Kazuhiro TANAKA. "DEVELOPMENT OF VISCO-ELASTIC DAMPER SYSTEM INCLUDING AXIAL FORCE TRANSFER MECHANISM METHOD." AIJ Journal of Technology and Design 18, no. 39 (2012): 483–88. http://dx.doi.org/10.3130/aijt.18.483.

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Dissertations / Theses on the topic "Visco Elastic Damper"

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Alrumaih, Wail Saad. "A novel tuned visco-elastic damper for floor vibration abatement." University of Dayton / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1245387294.

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Al-Rumaih, Wail Saad. "A novel tuned visco-elastic damper for floor vibration abatement." Dayton, Ohio : University of Dayton, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1245387294.

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Sandin, Joakim. "Analysis Methods for Structures with Visco-Elastic Damping Treatment." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-13250.

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During aircraft development, the impact of vibrations is examined and how this affects the aircraft structure under different conditions. Those vibrations can damage electronic equipment that are installed within the fuselage and can even lead to material fatigue within the structure. To reduce vibrations there are two approaches that are preferred to use, installing vibration insulators attached between the structure and the electrical component or change the design of the structure to a stiffer one. Those methods are easiest to implement in an early stage of the development but in later stag
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Verma, Navin Prakash. "Viscous Dampers for Optimal Reduction in Seismic Response." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/43716.

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To model dissipation of energy in vibrating civil structures, existence of viscous damping is commonly assumed primarily for mathematical convenience. In such a classical damper, the damping force is assumed to depend only on the velocity of deformation. Fluid viscous dampers that provide this type of damping have been manufactured to provide supplementary damping in civil and mechanical systems to enhance their performance. Some fluid dampers, however, exhibit stiffening characteristics at higher frequencies of deformation. The force deformation relationship of such dampers can be better repr
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Kainane, Mezadek Mohamed. "Structural damped sigma-evolution operators." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2014. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-137146.

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The subject of the thesis is the investigation of asymptotic properties of solutions of the Cauchy problem for structurally damped sigma-evolution operators with time dependent, monotonous, dissipation term. An appropriate energy for solutions of the sigma-evolution equations is defined and some estimates for energies of higher order are proved. In the scale invariant case the optimality of these estimates is shown. Further, the influence of properties of the time dependent dissipation on L^p-L^q estimates for the energy with p and q bigger or equal to 2 and from the conjugate line is clarifie
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De, Silva Sandun S. "Vibration characteristics of steel-deck composite floor systems under human excitation." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/16538/1/Sandun_De_Silva_Thesis.pdf.

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Steel-deck composite floor systems are being increasingly used in high-rise building construction, especially in Australia, as they are economical and easy to construct. These composite floor systems use high strength materials to achieve longer spans and are thus slender. As a result, they are vulnerable to vibration induced under service loads. These floors are normally designed using static methods which will not reveal the true behaviour and miss the dynamic amplifications resulting in inappropriate designs, which ultimately cause vibration and discomfort to occupants. At present the
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De, Silva Sandun S. "Vibration characteristics of steel-deck composite floor systems under human excitation." Queensland University of Technology, 2007. http://eprints.qut.edu.au/16538/.

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Steel-deck composite floor systems are being increasingly used in high-rise building construction, especially in Australia, as they are economical and easy to construct. These composite floor systems use high strength materials to achieve longer spans and are thus slender. As a result, they are vulnerable to vibration induced under service loads. These floors are normally designed using static methods which will not reveal the true behaviour and miss the dynamic amplifications resulting in inappropriate designs, which ultimately cause vibration and discomfort to occupants. At present the
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Kai, Luo, and 羅開. "Performance Verification and Industrial Application of Visco-elastic Dampers." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/mu393d.

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碩士<br>國立交通大學<br>土木工程系所<br>96<br>This study explores the feasibility of using the high polymer rubber developed by BC Tech, Japan, as the main dissipation material for Viscoelastic (VE) seismic wall, and a series of verification tests has been conducted, including the performance tests of the polymer material, component tests of the full scale seismic wall and seismic performance tests (shaking table tests). Moreover, to evaluate the feasibility of using the VE seismic wall to control the wind-induced vibration of high-rise buildings, a 31-story building structure with aspect ration of 8 is con
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Books on the topic "Visco Elastic Damper"

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Tezcan, Semih S. Reduction of seismic response by viscoelastic dampers =: Binaların sismik davranışlarının visko elastik sönüm cihazları ile düşürülmesi. Turkish Earthquake Foundation, 2000.

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Book chapters on the topic "Visco Elastic Damper"

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Periyasamy, Jaishankar, Kanchidurai Sattu, and Saravana Raja Mohan Kaliyaperumal. "Numerical Investigation of Visco-Elastic Damper for Seismic Vibration." In Structural Integrity. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-98335-2_1.

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Kumar, Jagannadham Rohith, and G. V. V. Satyanarayana. "Analysis and Design of Irregular Multi-story Building Having Visco-elastic Dampers." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2676-3_43.

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Takewaki, Izuru, Abbas Moustafa, and Kohei Fujita. "Optimal Placement of Visco-Elastic Dampers and Supporting Members Under Variable Critical Excitations." In Springer Series in Reliability Engineering. Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4144-0_12.

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Jain, Tejas, and Smita B. Patil. "Optimum Location of Shear Walls and Visco-Elastic dampers in R.C.C. Framed Tall Building considering Second Order Effects." In Techno-Societal 2018. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16848-3_73.

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Conference papers on the topic "Visco Elastic Damper"

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El-Butch, A. M. A., and A. F. Fahim. "An Investigation of Friction Dynamic of Two Coupled Mass-Spring-Damper System With Visco-Elastic Contact." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38571.

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The friction force between coupled machine members in relative motion exerts sometimes significant influence on system dynamic behavior, giving rise to undesirable friction-induced vibrations. The aim of this paper is to investigate the contribution of each design parameter and operating conditions on the system dynamic performance of a metallic mass sliding on a polymeric lower base, the mass is excited from its support by a harmonic input velocity. The governing equations are solved numerically and results showed that, for high excitation amplitude, an increase in the negative slope of the f
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Al-Rumaih, Wail S., and Ahmad R. Kashani. "A Viscoelastic Tuned Mass Damper for Vibration Treatment of Large Structures." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-69485.

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Abstract Viscoelastic (VE) tuned mass dampers (TMDs) using commercially available, small thickness, VE material have been used extensively in adding targeted damping to light structures. The most common approach for realizing stiffness and damping in these tuned devices has been applying VE material to strips of elastic material (mainly metal, e.g. steel) in an unconstrained or constrained layer fashion and using such assemblies, which can be viewed as a damped leaf-springs, for the suspension element of the tuned mass damper. In this work, the suitability of tuned mass dampers with visco-elas
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Hamidzadeh, Hamid R. "Attenuation of Free Vibration Using Particle Impact Damper." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42731.

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The particle impact damper is an effective vibration damping treatment that can be used in the cases where visco-elastic constrained layer damping fails due to excessive surrounding temperature. In this type of passive damping, particles move in a container attached to the vibrating system resulting in plastic impact with the container. In the presented theoretical study, the damping characteristics of free oscillation for a vertical system with an initial displacement are considered and a governing equation for the system under free vibration with a particle damper is derived. To evaluate the
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Anani, Y., M. Asghari, and R. Naghdabadi. "Modeling of Visco-Hyperelastic Behavior of Foams." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66773.

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In this paper, a new visco-hyperelastic constitutive law for describing the rate dependent behavior of foams is proposed. The proposed model was based on a phenomenological Zener model: a hyperelastic equilibrium spring, which describes the steady-state, long-term response, parallel to a Maxwell element, which captures the ratedependency. A nonlinear viscous damper connected in series to a hyperelastic intermediate spring, controls the ratedependency of the Maxwell element. Therefore, the stress is the sum of equilibrium stress on the equilibrium spring and overstress on the intermediate sprin
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Minagawa, Keisuke, Kiyoshi Aida, and Satoshi Fujita. "Research and Development of Viscous Fluid Dampers for Improvement of Seismic Resistance of Thermal Power Plants: Part 12 Vibration Measurement of Existing Boiler Structure." In ASME 2022 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/pvp2022-84633.

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Abstract Thermal power generation is a very important power source until renewable energy or carbon-free energy become widespread. Japan is one of the most earthquake-prone countries in the world, and coal-fired power plants have been damaged by major earthquakes. For example, strong earthquakes such as the Great East Japan Earthquake in 2011, the Hokkaido Eastern Iburi Earthquake in 2018 and the earthquake off the coast of Fukushima in 2021 caused coal-fired power plants to shut down for long periods of time, and these had a significant impact on society. Therefore, it is important to improve
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Olunloyo, Vincent O. S., and Charles A. Osheku. "On the Effects of a Non-Stationary Seabed on the Morison Hydrodynamic Force for Off-Shore Structures." In ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2005. http://dx.doi.org/10.1115/omae2005-67475.

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It is well known that hydrodynamic forces can have significant effect on the dynamic stability and performance of moving offshore structures that are deployed for the exploration and exploitation of seabed geo-resources. This paper presents an integral transform approach for investigating the effects of non-stationary behavior of the seabed on the Morison hydrodynamic force associated with vertically moving submerged and partially buried offshore structures located in the neighborhood of an exploration zone. For this, the fluid-structure-soil dynamic interaction boundary value problem is model
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Rohith Kumar, J., G. V. V. Satyanarayana, and N. Ravi Dakshina Murthy. "Design and analysis of multi-story building having visco-elastic dampers." In LOW RADIOACTIVITY TECHNIQUES 2022 (LRT 2022): Proceedings of the 8th International Workshop on Low Radioactivity Techniques. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0167069.

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Hamidzadeh, Hamid R. "The Effect of Visco-Elastic Core Thickness on Modal Loss Factors of a Thick Three-Layer Cylinder." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-35135.

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Free vibration of damped three-layer sandwich cylinders with thick layers is considered. In particular, the effect of the different thicknesses for the middle layer on the overall natural frequencies and modal damping factors are studied. The constrained layer damping is accomplished by sandwiching a linear visco-elastic material between two isotropic elastic cylinders with the same properties. The governing equations are derived using the theory of elasto-dynamic, by employing complex elastic moduli for the sandwiched layer. Dimensionless natural frequencies and modal loss-factors for the fir
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Swanson, Erik E., David S. Xu, Thomas E. Russell, James Walton, and Hooshang Heshmat. "On the Application of Powder Shear Damping to a Structural Element." In ASME Turbo Expo 2000: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/2000-gt-0365.

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With the increasing demands placed on modern gas turbine components, improvements in high temperature compatible damping technology are required. The areas of application include turbine airfoils, struts, guide vanes, exhaust ducts, and similar components. The need for improved damping elements is especially acute for integrally bladed disks (“blisks”). Constrained powder shear dampers, using thin pockets of high temperature compatible powders meets these needs. With damping performance comparable to current visco-elastic elements, shear powder damping elements add the capability of high tempe
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Smith, Suzanne Weaver, David C. Zimmerman, Theodore J. Bartkowicz, and Hyoung M. Kim. "Experiments for Damage Location in a Damped Structure." In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/vib-4231.

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Abstract In this paper, we present the results of an investigation of significant damping effects and the ability to locate damage. A three–bay, vertically cantilevered laboratory truss testbed was developed to exhibit beam–like response for the first three modes (a pair of first bending modes in orthogonal directions and a torsional mode). Truss members were removed from the testbed to simulate various damage scenarios with reduced stiffness. In addition, up to four visco–elastic damping struts were placed in the truss testbed in various configurations to affect the damping of certain modes o
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