Experimental impact force identification of CFRP stiffened panels

Masanori Tajima; Ning Hu; Hisao Fukunaga

Experimental impact force identification of CFRP stiffened panels

Masanori Tajima, Ning Hu, Hisao Fukunaga

ENG - Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

An experimental identification method of impact force location and history acting on CFRP laminated plates is presented. The relation between force histories and strain responses is first determined experimentally by using measured force histories and the corresponding strain responses at the discrete points. By employing this relation, the location and history of impact force is identified using measured strain responses based on the mathematical programming method. The validity of the present identification method has been verified through the impact test of CFRP laminated plate with embedded PZT piezoelectric sensors and CFRP stiffened panel using biaxial strain gauges attached on the surface of the panel. The method is also applied to the impact force identification of CFRP plate involving impact damages such as delamination.

Original language	English
Title of host publication	Proceedings of the 16th International Conference on Composite Materials, ICCM-16 - "A Giant Step Towards Environmental Awareness
Subtitle of host publication	From Green Composites to Aerospace"
Publication status	Published - 2007 Dec 1
Event	16th International Conference on Composite Materials, ICCM-16 - "A Giant Step Towards Environmental Awareness: From Green Composites to Aerospace" - Kyoto, Japan Duration: 2007 Jul 8 → 2007 Jul 13

Publication series

Name	ICCM International Conferences on Composite Materials

Other

Other	16th International Conference on Composite Materials, ICCM-16 - "A Giant Step Towards Environmental Awareness: From Green Composites to Aerospace"
Country	Japan
City	Kyoto
Period	07/7/8 → 07/7/13

Keywords

Delamination
Drop-weight test
Experiment
Identification
Impact force
Stiffened panel

ASJC Scopus subject areas

Engineering(all)
Ceramics and Composites

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Experimental impact force identification of CFRP stiffened panels. / Tajima, Masanori; Hu, Ning; Fukunaga, Hisao.

Proceedings of the 16th International Conference on Composite Materials, ICCM-16 - "A Giant Step Towards Environmental Awareness: From Green Composites to Aerospace". 2007. (ICCM International Conferences on Composite Materials).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tajima, M, Hu, N & Fukunaga, H 2007, Experimental impact force identification of CFRP stiffened panels. in Proceedings of the 16th International Conference on Composite Materials, ICCM-16 - "A Giant Step Towards Environmental Awareness: From Green Composites to Aerospace". ICCM International Conferences on Composite Materials, 16th International Conference on Composite Materials, ICCM-16 - "A Giant Step Towards Environmental Awareness: From Green Composites to Aerospace", Kyoto, Japan, 07/7/8.

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abstract = "An experimental identification method of impact force location and history acting on CFRP laminated plates is presented. The relation between force histories and strain responses is first determined experimentally by using measured force histories and the corresponding strain responses at the discrete points. By employing this relation, the location and history of impact force is identified using measured strain responses based on the mathematical programming method. The validity of the present identification method has been verified through the impact test of CFRP laminated plate with embedded PZT piezoelectric sensors and CFRP stiffened panel using biaxial strain gauges attached on the surface of the panel. The method is also applied to the impact force identification of CFRP plate involving impact damages such as delamination.",

keywords = "Delamination, Drop-weight test, Experiment, Identification, Impact force, Stiffened panel",

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T1 - Experimental impact force identification of CFRP stiffened panels

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AU - Hu, Ning

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N2 - An experimental identification method of impact force location and history acting on CFRP laminated plates is presented. The relation between force histories and strain responses is first determined experimentally by using measured force histories and the corresponding strain responses at the discrete points. By employing this relation, the location and history of impact force is identified using measured strain responses based on the mathematical programming method. The validity of the present identification method has been verified through the impact test of CFRP laminated plate with embedded PZT piezoelectric sensors and CFRP stiffened panel using biaxial strain gauges attached on the surface of the panel. The method is also applied to the impact force identification of CFRP plate involving impact damages such as delamination.

AB - An experimental identification method of impact force location and history acting on CFRP laminated plates is presented. The relation between force histories and strain responses is first determined experimentally by using measured force histories and the corresponding strain responses at the discrete points. By employing this relation, the location and history of impact force is identified using measured strain responses based on the mathematical programming method. The validity of the present identification method has been verified through the impact test of CFRP laminated plate with embedded PZT piezoelectric sensors and CFRP stiffened panel using biaxial strain gauges attached on the surface of the panel. The method is also applied to the impact force identification of CFRP plate involving impact damages such as delamination.

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KW - Drop-weight test

KW - Experiment

KW - Identification

KW - Impact force

KW - Stiffened panel

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