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Experimental damage identification using modified mode shape difference

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Abstract

An experimental program was undertaken to test the feasibility to detect the occurrence of structural damage using a modified mode shape difference technique. The vibration response of a steel beam fixed at one end and hinged at the other was obtained for the intact and damage conditions. Modal analysis was performed to extract the frequencies and mode shapes. The method shows a good potential in detection of occurrence and location of damage.

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Authors and Affiliations

  1. Civil Engineering Department, Faculty of Engineering, Memorial University, St. John’s, NL, A1B 1T2, Canada

    Ahmed A. Elshafey

  2. Department Civil Engineering, Faculty of Engineering, Architecture and Science, Ryerson University, Toronto, ON, M5B 2K3, Canada

    H. Marzouk

  3. Department Naval Architecture, Faculty of Engineering and Applied Science, Memorial University, St. John’s, NL, A1B 1T2, Canada

    M. R. Haddara

Authors
  1. Ahmed A. Elshafey
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  2. H. Marzouk
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  3. M. R. Haddara
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Corresponding author

Correspondence to Ahmed A. Elshafey.

Additional information

Foundation item: Supported by PRAC, NSERC, and MITACS.

Ph.D. Ahmed A. Elshafey. is an assistant Professor, Faculty of Engineering, Minufiya University, Egypt and a post doctorate fellow, Memorial University of Newfoundland. He has many publications in the field of dynamics, modal analysis and structural health monitoring.

Ph.D. H. Marzouk has published many papers in the area of high-strength concrete design, creep analysis, building design; rehabilitation of existing concrete structural elements using fibre reinforced plastics and steel plates; offshore design; stress analysis; steel rehabilitation of columns.

Ph.D. M.R. Haddara is a research Prof., Naval Architecture, Memorial University of Newfoundland. He has many publications in the field of Parametric Identification, ship motion, structural dynamics, stability, reliability, and risk based maintenance.

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Elshafey, A.A., Marzouk, H. & Haddara, M.R. Experimental damage identification using modified mode shape difference. J. Marine. Sci. Appl. 10, 150–155 (2011). https://doi.org/10.1007/s11804-011-1054-5

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  • DOI: https://doi.org/10.1007/s11804-011-1054-5

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