The measurement of dynamic strain and resonant frequency for three-dimensional solids partially immersed in water using free-edge bonded fiber Bragg grating sensors

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The measurement of dynamic strain and resonant frequency for three-dimensional solids partially immersed in water using free-edge bonded fiber Bragg grating sensors

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作者：Kuo-Chih Chuang^a ; ^{chuangkc@zju.edu.cn" class="auth_mail" title="E-mail the corresponding author}Author Vitae ; Chien-Ching Ma^b ; ^{ccma@ntu.edu.tw" class="auth_mail" title="E-mail the corresponding author}Author Vitae ; Chun-Yao Wang^b ; ^{ccma@ntu.edu.tw" class="auth_mail" title="E-mail the corresponding author}Author Vitae
关键词：Liquid level detection ; Fiber bragg grating ; Structural modes ; Impact responses ; Fluid-structure interaction (FSI)
刊名：Sensors and Actuators A: Physical
出版年：2016
出版时间：15 August 2016
年：2016
卷：247
期：Complete
页码：65-74
全文大小：3439 K

文摘

•: Accurate determination of the elastic constants according to elastic wave theory.
•: To investigate the feasibility of free edge sensor placement for extracting more vibration modes.
•: The relationships between the sensing locations, impact locations, and intensities of modes are investigated in detail with the aid of the mode shapes.
•: Influences of the multiple modes and liquid level variations to the frequency responses are investigated.
•: This work also provides related experimental evidence for complicated fluid-structure interaction (FSI) problems for three-dimensional solids.