Impact force identification of CFRP stiffened panels using radiated sounds

Satoshi Atobe, Y. Tanaka, N. Hu, Hisao Fukunaga

研究成果: Conference contribution

抄録

This paper discusses a method for identifying an impact force acting on a CFRP stiffened panel. The location and force history of the impact force are identified using the sound radiation from the impacted panel. More specifically, sound pressures measured at multiple locations with microphones are used. The impact location is identified from the arrival times of the sound wave, and then force history identification is performed using experimental transfer matrices which relate the impact force and the measured sound pressures. The force history is identified by minimizing the deviation between the measured sound pressures and the sound pressures estimated from the experimental transfer matrices. Impact force identification of a CFRP stiffened panel is performed experimentally, and the validity of the method is verified by comparing the identification results with the measured location and force history.

本文言語English
ホスト出版物のタイトル27th Annual Technical Conference of the American Society for Composites 2012, Held Jointly with 15th Joint US-Japan Conference on Composite Materials and ASTM-D30 Meeting
ページ515-523
ページ数9
出版ステータスPublished - 2012 12月 1
イベント27th Annual Technical Conference of the American Society for Composites 2012, Held Jointly with 15th Joint US-Japan Conference on Composite Materials and ASTM-D30 Meeting - Arlington, TX, United States
継続期間: 2012 10月 12012 10月 3

出版物シリーズ

名前27th Annual Technical Conference of the American Society for Composites 2012, Held Jointly with 15th Joint US-Japan Conference on Composite Materials and ASTM-D30 Meeting

Other

Other27th Annual Technical Conference of the American Society for Composites 2012, Held Jointly with 15th Joint US-Japan Conference on Composite Materials and ASTM-D30 Meeting
国/地域United States
CityArlington, TX
Period12/10/112/10/3

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 材料化学

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