Crack Localization in Stepped Beams

Meccanica

Volumn 32, Issue 4, 1997, Pages 315-325

  Al Qaisia, Ahmad ^a   Meneghetti, Umberto ^a  

^a UNIVERSITY OF BOLOGNA   (Italy)

Author keywords

Beams vibration; Damage location; Modal analysis; Vibrations (structural elements)

Indexed keywords

BEAMS AND GIRDERS; BOUNDARY CONDITIONS; MODAL ANALYSIS; NATURAL FREQUENCIES; VIBRATIONS (MECHANICAL);

CRACK LOCALIZATION; LOCAL MODAL CRACK SENSITIVITY; STEPPED BEAMS;

CRACKS;

EID: 0031206195     PISSN: 00256455     EISSN: None     Source Type: Journal    
DOI: 10.1023/A:1004288914173     Document Type: Article

References (11)

1. Cawley, P. and Adams, R. D., 'The location of defects in structures from measurements of natural frequencies', J. Strain Analysis, 14(2) (1979), 49-57.
2. Ju, F. D., Akgun, M., Wong, E. T. and Lopez T. L., 'Modal method in diagnosis of fracture damage in simple structure', ASME AMD-V52 (1982), 113-125.
3. Rizos, P. F., Aspragathos, N. and Dimarogonas, A. D., 'Identification of crack location and magnitude in a cantilever beam from the vibration modes', J. Sound and Vibration, 138(3) (1990), 381-388.
4. Davini C., Gatti, F. and Morassi, A., 'A damage analysis of steel beams', Meccanica, 28 (1993), 27-37.
5. Swamidas, A. S. J. and Chen, Y., 'Monitoring crack growth through change of modal parameters', J. Sound and Vibration, 186(2) (1995), 325-343.
6. Maggiore, A. and Meneghetti, U., 'Crack monitoring by modal analysis techniques', ÖIAZ, Österreichische Ingenieur- und Architekten-Zeitschrift, 137(11) (1992), 562-566.
7. Meneghetti, U. and Maggiore, A., 'Crack detection by sensitivity analysis', Proceedings of XIIInternational Modal Analysis Conference, Honolulu, HW, 2 (1994), pp. 1292-1298.
8. Shabana, A., Mechanical Vibrations for Engineers, John Wiley & Sons, New York, 1983.
9. Gorman, D. J., Free Vibration Analysis of Beams and Shafts, John Wiley & Sons, New York, 1975.
10. Ismail, F., Ibrahim, A. and Martin, H. R., 'Identification of fatigue cracks from vibration testing', J. Sound and Vibration, 140(2) (1990), 305-317.
11. Catania, G., Meneghetti, U. and Maggiore, A., 'Monitoring rotors by sensitivity analysis', Condition Monitoring '94, Pineridge Press, (1994), pp. 253-264.