Attenuation Characteristics of Vibration in a Locally Resonant Phononic Crystal Frame Structure

• Autorzy: Wang Yukun , Qian Denghui , Wu Jinghong , He Feiyang

Identyfikatory

DOI

10.24425/aoa.2020.134071

• Języki publikacji: EN

Abstrakty

EN

In this paper, a frame structure based on the locally resonant (LR) mechanism of phononic crystals (PCs) is designed on account of the wide application of frame structures in high-rise buildings, and the band structures, displacement fields of eigenmodes, and transmission power spectrums of corresponding finite structure are calculated by finite element (FE) method. Numerical results and further analysis demonstrate that a full band gap with low starting frequency can be opened by the frame structure formed by periodically combining soft and hard materials, and the starting frequency can be further lowered with the adjustment of corresponding geometric parameters, which provides a theoretical basis for the studies on vibration insulation and noise reduction of high-rise buildings.

Słowa kluczowe

EN

LRPC frame structure; high-rise building; finite element method; vibration insulation; noise reduction

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2020
• Tom: Vol. 45, No. 3
• Strony: 557--562
• Opis fizyczny: Bibliogr. 16 poz., rys., tab., wykr.

Twórcy

autor

Wang Yukun

• State Grid Wuhu Power Supply Company, Wuhu 241000, Anhui, China

autor

Qian Denghui

• Jiangsu Province Key Laboratory of Structure Engineering, College of Civil Engineering, Suzhou University of Science and Technology, Suzhou 215011, Jiangsu, China

autor

Wu Jinghong

• Jiangsu Province Key Laboratory of Structure Engineering, College of Civil Engineering, Suzhou University of Science and Technology, Suzhou 215011, Jiangsu, China

autor

He Feiyang

• Nanjing Normal University Zhongbei College, Zhenjiang 212300, Jiangsu, China

Bibliografia

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