Particle Damping Technology Based Structural Control
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Particle Damping Technology Based Structural Control
Particle Damping Technology Based Structural Control

Author(s)/Editor(s): Xilin Lu Sami F. Masri Zheng Lu | Size: 20 MB | Format: PDF | Quality: Original preprint | Publisher: springer | Year: 2020 | pages: 375 | ISBN: 978-7-111-59964-7 - 978-981-15-3499-7 - 2366-2603 - 2366-259X

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In recent years, natural disasters, such as earthquakes and typhoons, have occurred frequently, causing serious damage to the structure. In order to enhance the resistance of structures against natural catastrophes, especially to attenuate their structural response under earthquake and wind loads, vibration control technology is applied on structures as an effective method. Particle damping technology is a kind of vibration reduction technology which consumes the vibration energy of the system by friction and impact between tiny particles filled in a finite enclosed space of the vibration cavity. It has been widely used in mechanical engineering, aerospace engineering and other fields, and its application on civil engineering has been expanding.
The Chinese Book is funded by National Science and Technology Academic Monograph Publishing Fund (2017). The English version is the update version.
This book systematically introduces particle damping technology, which can be utilized to effectively mitigate the seismic-induced and wind-induced vibration of various structures. The research achievements pertaining to this technology are comprehensively presented in this book. The 9 chapters in the book can be divided into 3 main aspects, first of all, in Chaps. 1 and 2, the book gives a detailed introduction and comprehensive description of structural vibration control technology and particle damping technology utilized in civil engineering, and provides a newly efficacious approach for the mitigation of earthquake-induced and wind-induced vibrations generated in high-rise buildings. The second part is illustrated in Chaps. 3–7, systematically theoretical analysis and practical simulation method for particle impact dampers are proposed, as well as demonstrated the extensive shaking table test and wind tunnel test on particle impact dampers applied to civil structures, which are conducive to understanding the damping mechanisms and optimal working conditions of particle impact dampers. In Chaps. 8 and 9, profound discussions are carried out on the future perspectives of particle damping technology, especially emphasized on studying and developing semi-active particle damping technology, and established the guidelines for optimization design of particle impact dampers. Some distinct features of this book can be summarized as follows:
• The elaborated simulation model based on discrete element method and the simplified simulation model based on equivalent principles are demonstrated, the models are verified by corresponding experimental results.
• The steady-state responses of particle impact dampers under various scenarios are illustrated.
• The vibration attenuation effects of particle dampers subjected to different dynamic loads have been intensively studied, by which the damping mechanism and the “global” measures that are used to evaluate the damping performance are proposed.
• The shaking table test and wind tunnel test have been conducted to verify the proposed simulation methods, and the satisfactory damping performance of
particle dampers has been corroborated.
• The optimization design guidelines of particle impact dampers are provided.
• The semi-active particle damping technology in which the primary system is subjected to non-stationary excitations is preliminary explored.

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