Academic literature on the topic 'Anti-vibration devices'

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Journal articles on the topic "Anti-vibration devices"

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Feng, Yanting, Wenbin Li, Yadong Lv, and Zhixiao Liu. "Design and Experimental Study of a New Anti‐vibration Hammer." ce/papers 8, no. 2 (2025): 1056–64. https://doi.org/10.1002/cepa.3195.

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AbstractA long time of wind vibration will cause fatigue damage to transmission lines. In order to reduce the wind vibration strength of the transmission line, it is unusually necessary to install anti‐vibration devices such as anti‐vibration hammers and damping on the transmission line. One of the most important and effective ways is the anti‐vibration hammer, which plays a significant role in damping vibration and is widely used in the field of wind vibration control of transmission lines. To solve the problems of fatigue damage and the poor performance of the vibration reduction at low frequencies, an anti‐vibration hammer with a hinge structure is designed in this paper. The vibration of the wire is transmitted to the anti‐vibration hammer through the hinge structure, and the effect of transverse displacement of the anti‐vibration hammer is amplified, which can absorb more energy. The vibration‐damping performance of the transmission line experimental setup was carried out in the lab environment. The results demonstrate that the amplitude response of the transmission line is significantly reduced after the installation of the anti‐vibration hammer, and the vibration damping effect of the designed anti‐vibration hammer with hinged structure is better than that of the traditional FD3 anti‐vibration hammer in the low‐frequency range of 19∼30 Hz.
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Zhao, Bin, Yongfeng Cheng, Jingchao Wang, Bin Liu, and Yushu Chen. "Study on the Effect of Anti-galloping Device with Cubic Stiffness and Particle Damping." Journal of Physics: Conference Series 2592, no. 1 (2023): 012001. http://dx.doi.org/10.1088/1742-6596/2592/1/012001.

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Abstract The galloping of iced conductors is a common disaster of overhead conductors. Most traditional anti-galloping devices lack a nonlinear dynamic vibration absorber; hence, they have a limited anti-galloping effect. In this study, we designed, optimized, and tested an electric power fitting and an anti-galloping device with cubic stiffness and particle damping for ultra-high-voltage (UHV) transmission lines. We built a nonlinear dynamic model of the coupling galloping system comprising split conductors and anti-galloping devices. The harmonic balance method obtained the steady-state analytical solutions and corresponding averaged equations. The test spans in the laboratory were used to design the test program and equipment. We verified the accuracy of the nonlinear dynamic model and the harvesting effect of the anti-galloping device with cubic stiffness and particle damping. The theoretical and experimental results were highly consistent, and in the range of (0, 2] Hz, the anti-galloping device reduced the galloping amplitude. Therefore, cubic stiffness and particle damping can effectively improve the anti-galloping ability of UHV transmission lines, prolonging their service period.
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Taranenko, P. A., Yu O. Pronina, I. Ya Berezin, and A. A. Abyzov. "BENCHMARK TRIALS OF ANTI-VIBRATION DEVICES UNDER RANDOM EXTERNAL LOADING." Bulletin of the South Ural State University series "Mathematics. Mechanics. Physics" 10, no. 4 (2018): 58–64. http://dx.doi.org/10.14529/mmph180407.

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Li, Guangxun, Qing Liu, Xingyuan Qin, et al. "Study on the Control Effect of Viscoelastic Anti-Dancing Device on Long-span High-voltage Transmission Line under Icing Conditions." Architecture Engineering and Science 5, no. 4 (2025): 232. https://doi.org/10.32629/aes.v5i4.3213.

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This study investigates the control effect of a viscoelastic anti-dancing device on long-span high-voltage transmission lines subjected to icing conditions. The growing frequency of icing on transmission lines presents significant risks, including structural damage and service interruptions. The viscoelastic anti-dancing device aims to mitigate the negative impacts of dynamic oscillations induced by wind and ice accumulation. Through a combination of field tests and numerical simulations, the device's performance is assessed in terms of its ability to reduce vibration amplitudes and enhance the stability of transmission lines. Results demonstrate a marked improvement in oscillation control, leading to increased reliability and safety of high-voltage power transmission during adverse weather conditions. This research offers valuable insights into the use of viscoelastic materials for designing protective devices for transmission lines.
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Chuanasa, Jakkrapun, and Szathys Songschon. "Essential tremor suppression by a novel self-balancing device." Prosthetics and Orthotics International 39, no. 3 (2014): 219–25. http://dx.doi.org/10.1177/0309364614525185.

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Background: There are many associated devices using impedance method. However, they cannot completely suppress tremor. Other methods using active vibration control have been a challenging problem for industrial and academic researchers. Potential applications of the latter for tremor patients are still not realized. Objectives: This article presents a novel method for suppressing human lower arm tremor in essential tremor by using a self-balancing technique. Study design: In this article, a rotating unbalanced mass actuator was used to imitate an arm tremor with the same frequency range obtained from clinical sources. A novel counter-balance device was designed to attach the fictitious arm. The tremor reduction is expecting quantitatively. Methods: A Proportional–Integral–Derivative controller and an algorithm programmed in LabVIEW are proposed to control a rotating unbalanced mass actuator, anti-shaker, in order to counter the tremor. The self-balancing system for the new approach was obtained when both amplitudes and frequencies of anti-shaker and tremor are the same. Results: The results show that this method can reduce vibration of tremor in the order of 0.001 rad/s2. Conclusion: This method can suppress the vibration and can also auto-tune to counter the tremor in a range of 4–12 Hz bandwidth. Clinical relevance The therapy of arm tremor was associated with using counter-devices to palliate the vibration magnitude. Conventional methods such as physical surgery and drugs cannot completely eliminate tremor. The novel counter-device is an alternative technique with promising application for clinical uses for tremor patients without involving harmful surgery.
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Ma, Rujian, Haiting Zhang, and Dong Zhao. "Study on the anti-vibration devices for a model jacket platform." Marine Structures 23, no. 4 (2010): 434–43. http://dx.doi.org/10.1016/j.marstruc.2010.10.002.

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Zhao, Bin, Jiajun Si, Zhao Zhang, and Jingshan Han. "Experimental analysis of zero-natural-frequency damper for transmission line large cross project based on NES." Journal of Physics: Conference Series 2076, no. 1 (2021): 012109. http://dx.doi.org/10.1088/1742-6596/2076/1/012109.

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Abstract The operation experience of transmission line large cross project shows that the traditional anti-aeolian-vibration devices had poor adaptability to complex terrain and micro meteorological conditions, and they were difficult to meet the application requirements of super large cross project at this stage. A zero-natural-frequency damper was designed by introducing nonlinear energy sink in this paper, and the solid prototypes were processed. According to the actual design parameters of conductor using in a large cross project, the anti-vibration effect was tested by using the indoor simulation test span. The test results showed that the anti-vibration effect of the scheme based on the zero-natural-frequency damper could meet the needs of practical engineering. The installation of this damper could improve conductors’ and fittings’ adaptability to complex terrain and enhance the wind and anti-vibration ability of transmission line.
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Breńkacz, Łukasz, Paweł Bagiński, and Jarosław K. Korbicz. "Vibration damping of the anti-vibration platform intended for use in combination with audio/music devices." Journal of Vibroengineering 22, no. 3 (2020): 578–93. http://dx.doi.org/10.21595/jve.2019.20846.

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Carleo, Francesca, Jan Plagge, Roly Whear, James Busfield, and Manfred Klüppel. "Modeling the Full Time-Dependent Phenomenology of Filled Rubber for Use in Anti-Vibration Design." Polymers 12, no. 4 (2020): 841. http://dx.doi.org/10.3390/polym12040841.

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Component design of rubber-based anti-vibration devices remains a challenge, since there is a lack of predictive models in the typical regimes encountered by anti-vibration devices that are deformed to medium dynamic strains (0.5 to 3.5) at medium strain rates (0.5/s to 10/s). An approach is proposed that demonstrates all non-linear viscoelastic effects such as hysteresis and cyclic stress softening. As it is based on a free-energy, it is fast and easily implementable. The fitting parameters behave meaningfully when changing the filler volume fraction. The model was implemented for use in the commercial finite element software ABAQUS. Examples of how to fit experimental data and simulations for a variety of carbon black filled natural rubber compounds are presented.
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Wojnowski, Jacek, and Jarosław Chmiel. "Personalized Anti-Vibration Protection for Telematics Devices in Urban Freight Transport Vehicles." Energies 14, no. 14 (2021): 4193. http://dx.doi.org/10.3390/en14144193.

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Vibrations are a major cause of human health disorders, circuit boards and machinery damage. Vibration dampers are considered to be the best option to counter these issues. Three-dimensional printing techniques play an increasingly important role in manufacturing small polymer parts with tailored properties. Thermoplastic elastomers (TPE) constitute a perfect material for manufacturing small-scale series absorber prototypes due to their thermoplastic nature, good elasticity and damping properties. This paper proposes a novel multi-level approach to the design and manufacturing process, e.g., the first level—selection of material; second level—decision about the geometry of a damper; third—selection of technological printing parameters; fourth—post-printing treatment. This work primarily aims to overview the design and manufacturing process levels. The impact of each step on the damping capacity of small absorbers is assessed. It was found that thermoplastic elastomers and fused deposition modeling (FDM) have huge potential in shaping the physical properties of small, elastomeric absorbers. It was assessed that at every step of the multilevel design and manufacturing process (MDMP), the designer could tailor the damping to meet the desired criteria of a final product: a cylinder-shaped hollow damper that can be made from TPE polymer without post-printing treatment and is characterized by good damping.
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Dissertations / Theses on the topic "Anti-vibration devices"

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Hsieh, Chi-Hsien, and 謝奇諴. "A Study on Vibration Reduction and Anti-Lateral-Torque Properties of a Maglev Device." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/52kdm2.

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碩士<br>國立高雄海洋科技大學<br>輪機工程研究所<br>100<br>This research has developed a magnet levitation device, which forms magnet repulsive forces between two opposite poles of two pairs of floating rectangular magnet sets. A high speed motion platform is used to produce desired foundation acceleration and to study the acceleration reduction properties of the magnet levitation device. Comparisons with the acceleration reduction rates of a driver seat designed for high speed boats (a dual acceleration- reduction device of hydraulic damper and double-cantilever plates) and with that of a hybrid devices were made. The tendency of the magnet levitation devices in lateral rotation, in terms of rolling angle, due to an unbalanced weight distribution or external forces has also been studied/simulated using Ansoft Maxwell 3D software package. The experiment and analysis results indicates that (1) the acceleration reduction rate of the magnet levitation devices is higher than that of the dual acceleration-reduction device; (2) the hybrid device of the magnet levitation device and the dual acceleration-reduction device provides the highest acceleration reduction ratio; (3) the rolling angle of the floating magnet levitation will be small when lateral rotation occurs due to unbalanced weight distribution or external forces; and (4) the magnitude of the magnet forces of the levitation device will be influenced by the geometry and arrangement of the magnets.
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Book chapters on the topic "Anti-vibration devices"

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Bratu, Polidor. "Parametric Assessment of the Elastomeric Anti-vibration Devices According to the Dynamic Test Regime." In Springer Proceedings in Physics. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96787-1_27.

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Zhao, Jianli, Zhexing Chen, Yong Liu, Yilin Wang, Yisheng Zhang, and Liang Wang. "Digital Twin System for Service Performance Evaluation of Anti-vibration Device." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1870-4_49.

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Ma, Jianlong, He Shen, and Wenfeng Guo. "Experimental Study on the Ultrasonic De-Icing Method of Wind Turbine Blades." In Wind Turbine Icing - Recent Advances in Icing Characteristics and Protection Technology [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.113305.

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Ice accretion on the wind turbine blade degrades the aerodynamic performance and power efficiency of wind turbines. Therefore, developing a high-efficiency de-icing method with low energy consumption is necessary to stabilize their operation in winter. Now, there are several types of de-icing methods being developed. Among these methods, ultrasonic de-icing method is suitable for wind turbines because of its low energy consumption, simple structure, and easy installation. In this chapter, the theoretical and experimental studies on ultrasonic de-icing of wind turbines are introduced. The de-icing vibration modes of plate element and airfoil blade with NACA0018 were analyzed and determined. The anti-icing and de-icing effects of ultrasonic vibration on the iced plate and blade segment were tested by the experimental methods. An icing wind tunnel system and two kinds of de-icing measurement devices were designed and built. The adhesive strengths of ice on the plate and airfoil blade surface were measured with variation in frequency. The experimental results show that ultrasonic vibration could decrease the amount and the adhesive strength of ice dramatically and had de-icing capability at the frequency of de-icing vibration mode. The research findings are useful and helpful to the development of ultrasonic de-icing technology in future works.
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Conference papers on the topic "Anti-vibration devices"

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Prakash, Keerti, and George Lesieutre. "Optimization of Circular Force Generator Placement for Rotorcraft Hub Force and Moment Cancellation." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12056.

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High-speed forward flight in helicopters causes high vibratory loads at the rotor hub, which are transmitted into the fuselage. This results in pilot fatigue and high maintenance requirements. Anti-vibration devices or vibration absorbers may be placed near the hub to reduce vibration transmission, while active vibration control systems may typically sense and reduce forces in specific areas of the fuselage. This paper focuses on developing strategies for optimal deployment (sizing, placement and control) of Circular Force Generators (CFGs) for vibration cancellation. Particle Swarm Optimization was used to carry out the optimization for two different load cases corresponding to different flight conditions. Converged solutions for CFG placement were obtained for: different individual load cases; multiple load cases; constrained and unconstrained actuator locations; and using different numbers of actuators. Two CFGs were found to be sufficient to cancel hub loads for a single load case. When two load cases are considered in multi-objective optimization, three actuators can substantially cancel the hub loads (to within 1%). And using four actuators can cancel the hub loads to within 0.1%. Finally, performance under actuator failure was considered as a way to distinguish among otherwise similarly-performing placement solutions.
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M, Menaka, Tharani R, Pemila M, Bhavana H, Bhargavi S, and Divyalakshmi D. "GSM Based Vehicle Anti-Theft Device Using Vibration Sensor and Arduino." In 2025 International Conference on Data Science and Business Systems (ICDSBS). IEEE, 2025. https://doi.org/10.1109/icdsbs63635.2025.11031878.

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Morales, Rafael, and Matthew Turner. "Robust Anti-windup Design for Active Trailing Edge Flaps in Active Rotor Applications." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9501.

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Active trailing edge flap actuators play a significant role in active rotor applications whereby certain performance aspects, such as reduction of vibratory hub loads, are able to be improved in more economical ways in comparison to other active approaches. Feedback control systems are expected to be required in order to offer a desired actuator performance in the face of air loads and actuator uncertainty. However the operation of feedback controllers under significant air loads and varying RPM conditions may cause the controller to make demands beyond those achievable with the physical device, resulting in significant performance degradation. For this reason, this paper explore the use of more advanced control tools, known as anti-windup systems, to deal with these control signal constraints and hence offer graceful performance degradation when operating in such a demanding regime. One specific anti-windup technique is explored in this work for vibration reduction applications. The benefits of this approach are shown to be significant and clearly exposed through a simulation example.
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Haiting Zhang, Rujian Ma, and Dong Zhao. "Design and parametric study of anti-vibration devices for offshore platforms." In 2010 2nd International Conference on Computer Engineering and Technology. IEEE, 2010. http://dx.doi.org/10.1109/iccet.2010.5485334.

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Dai, Feng, and Min Shi. "Anti-vibration design of Surface Mount Devices in the aerospace electronic equipment." In International Conference on Mechanical Design and Simulation (MDS 2022), edited by Dongyan Shi and Guanglei Wu. SPIE, 2022. http://dx.doi.org/10.1117/12.2638659.

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Wenchao, Tian, Gao Hongwei, and Guan Rongcheng. "Anti-vibration structure analysis and optimizing on BGA packaging module." In 2014 Joint IEEE International Symposium on the Applications of Ferroelectrics, International Workshop on Acoustic Transduction Materials and Devices & Workshop on Piezoresponse Force Microscopy (ISAF/IWATMD/PFM). IEEE, 2014. http://dx.doi.org/10.1109/isaf.2014.6917919.

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Meisami-Azad, Mona, Farzad A. Shirazi, and Karolos M. Grigoriadis. "Anti-Windup LPV Control Design of MR Dampers for Structural Vibration Suppression." In ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control. ASMEDC, 2011. http://dx.doi.org/10.1115/dscc2011-6072.

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Magneto-rheological (MR) dampers that belong to the family of semi-active devices are widely used for vibration attenuation in space and civil engineering structures. In this paper, we study the use of MR dampers for seismic protection of a model two-story structure. A modified Bingham model of the MR damper is considered for linear parameter varying (LPV) modeling and control of the system. The main contribution of the paper is the design and experimental validation of an LPV anti-windup compensator to tackle the effect of actuator saturation on control design performance. The designed LPV anti-windup control scheme is advantageous from the implementation standpoint because it can be considered as an addition to the existing control system. Experimental results demonstrate the effective vibration suppression of the structure in the presence of the seismic excitation inputs by utilizing an LPV control strategy. An inner/outer loop control strategy is further developed and implemented considering the actuator saturation effect to reduce the control effort and saving the MR damper power consumption.
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Ushijima, Takao, Kazuya Takano, and Takeshi Noguchi. "Rheological Characteristics of ER Fluids and Their Application to Anti-Vibration Devices with Control Mechanism for Automobiles." In Passenger Car Meeting & Exposition. SAE International, 1988. http://dx.doi.org/10.4271/881787.

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Hart, James D., and Nasir Zulfiqar. "Historical Perspective on Wind-Induced Vibration of Above-Ground Pipeline Configurations on the Alaskan North Slope." In 2024 15th International Pipeline Conference. American Society of Mechanical Engineers, 2024. https://doi.org/10.1115/ipc2024-133235.

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Abstract Steady arctic winds blowing across the flat topography of Alaska’s North Slope oil fields often induce vertical oscillations in above-ground pipelines, as a result of cyclic lift forces associated with the vortex shedding phenomenon. Extensive studies have been undertaken to better understand and control this complicated aerodynamic phenomenon. This paper provides a 30 plus year historical perspective on wind-induced vibration (WIV) of above-ground, cross-county pipeline configurations on the North Slope of Alaska. The paper includes an overview of the dynamic characteristics (e.g., mode shapes and frequencies) of typical “generic” multi-span cross-county pipeline configurations, the WIV phenomenon and the results of field instrumentation programs including free-vibration testing and long-term WIV monitoring. The paper illustrates a relatively simple framework for screening pipelines for WIV exposure as a function of azimuth orientation that utilizes publicly available, historical North Slope wind speed and direction observations. The paper also describes how systems of auxiliary mass damper (AMD) devices tuned to the WIV susceptible pipeline vibration frequencies are used to provide highly effective WIV mitigation over a broad frequency range. Relative motion across the dissipative elements of the tuned AMD devices which are attached to the pipeline at anti-node locations results in hysteretic energy dissipation which can dramatically increase the effective modal damping ratios of the lightly damped pipeline system and proportionately decrease the corresponding modal WIV response amplitudes. The effectiveness of AMDs is supported by data from laboratory tests over a wide range of temperatures and frequencies, field free-vibration tests and WIV monitoring programs. The paper concludes with a summary of how pipeline WIV has been successfully and widely mitigated across a large inventory of WIV-susceptible North Slope pipeline configurations using a triple-tuned and spatially distributed family of AMD devices spanning a broad-band of vibration frequencies for mitigation of primary (and if necessary, secondary) mode WIV.
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Ha, Chang Yong, and Soo Il Lee. "Topology Optimization on Targeting Frequency and Mode of Ultrasonic Bonding Tool for Microchip Packaging." In ASME 2011 Pacific Rim Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Systems. ASMEDC, 2011. http://dx.doi.org/10.1115/ipack2011-52100.

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Ultrasonic flip chip bonding is one of the widely used methods in semiconductor chip or microsystem packaging and ultrasonic (US) bonding tool is important part for the bonding machine. To perform the proper operation of US bonding, the adequate vibration frequency and mode of US tool is required and the vibration design of the tool is very important. Until recent days, however, the most of practical aspect of the tool design follows the trial-and-error approach. In this study, we introduce the method of topology optimization for US bonding tools. The solid isotropic material with penalization (SIMP) method is used to formulate topology optimization and optimal criteria (OC) method is introduced for the update scheme. The objective resonance frequency and longitudinal mode is tracked using Modal Assurance Criterion (MAC). We compare between 2D and 3D finite element models, and realize two types of US tools which are based on 3D optimization results. To ensure the validity of topology optimization applied to the high frequency and tough devices such as US bonding tools, the vibration displacements at anti-nodal points of the optimized US tools are measured by laser vibrometer.
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