Identification of crack and disbond fronts in repaired aircraft structural panels with bonded FRP composite patches

Composite Structures

Volumn 77, Issue 4, 2007, Pages 533-545

  Fujimoto, Shin etsu ^a   Sekine, Hideki ^a  

^a TOHOKU UNIVERSITY   (Japan)

Author keywords

Fatigue cracked aircraft structural panel; FRP composite patch; Identification of crack and disbond fronts; Improved tunneling method; In plane strain range; Nonlinear mathematical programming; Repair; Structural health monitoring

Indexed keywords

CRACKS; FATIGUE OF MATERIALS; FIBER REINFORCED PLASTICS; MATHEMATICAL MODELS; MEASUREMENT ERRORS; NONLINEAR PROGRAMMING; STRAIN MEASUREMENT; STRUCTURAL PANELS;

COMPOSITE PATCH; DISBOND FRONTS; IN-PLANE STRAIN RANGE; STRUCTURAL HEALTH MONITORING;

AIRCRAFT PARTS AND EQUIPMENT;

AIRCRAFT; CALCULATION; CRACKING; FIBER REINFORCED COMPOSITE; IDENTIFICATION METHOD; MATHEMATICAL ANALYSIS; REPAIR; STRAIN;

EID: 33750620822     PISSN: 02638223     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.compstruct.2005.08.005     Document Type: Article

References (16)

1. Jones R., Davis M., Callinan R.J., and Mallinson G.D. Crack patching: analysis and design. J Struct Mech 10 2 (1982) 177-190
2. Baker A.A. Fiber composite repair of cracked metallic aircraft components-practical and basic aspects. Composites 18 4 (1987) 293-308
3. Baker A.A., Rose L.R.F., Walker K.F., and Wilson E.S. Repair substantiation for a bonded composite repair to F111 Lower Wing Skin. Appl Compos Mater 6 4 (1999) 251-267
4. Baker A. Bonded composite repair of fatigue-cracked primary aircraft structure. Compos Struct 47 1-4 (1999) 431-443
5. Chiu W.K., Koh Y.L., Galea S.C., and Rajic N. Smart structure application in bonded repairs. Compos Struct 50 4 (2000) 433-444
6. McKenzie I., Jones R., Marshall I.H., and Galea S. Optical fibre sensors for health monitoring of bonded repair systems. Compos Struct 50 4 (2000) 405-416
7. Fujimoto S, Sekine H. Numerical investigation of structural health monitoring of cracked metallic aircraft structural panels repaired with a bonded FRP composite patch. In: Proceedings of the 14th international conference on composite materials (ICCM-14), San Diego, 14-18 July 2003.
8. Fujimoto S., and Sekine H. Identification of location and shape of fatigue crack fronts in aircraft structural panels repaired with a bonded FRP composite patch containing a strain measurement plane. J Jpn Soc Aeronaut Space Sci 52 607 (2004) 361-370 [in Japanese]
9. Poole P, Lock D, Young A. Composite patch repair of thick aluminum alloy sections. International conference on aircraft damage assessment and repair (Melbourne, Australia) 1991. p. 85-91.
10. Schubbe J.J., and Mall S. Investigation of a cracked thick aluminum panel repaired with a bonded composite patch. Eng Fract Mech 63 3 (1999) 305-323
11. Denney J.J., and Mall S. Characterization of disbond effects on fatigue crack growth behavior in aluminum plate with bonded composite patch. Eng Fract Mech 57 5 (1997) 507-525
12. Sekine H., Fujimto S., and Shibuya Y. Numerical analysis of patching efficiency in cracked rectangular structural panels repaired with a bonded FRP composite patch. J Jpn Soc Aeronaut Space Sci 49 565 (2001) 55-61 [in Japanese]
13. Akin J.E. The generation of elements with singularities. Int J Numer Methods Eng 10 6 (1976) 1249-1259
14. Vanderplaats G.N., and Sugimoto H. A general-purpose optimization program for engineering design. Comput Struct 24 1 (1986) 13-21
15. Levy A.V., and Montalvo A. The tunneling algorithm for the global minimization of functions. SIAM J Sci Stat Comput 6 1 (1985) 15-29
16. Chen D.H., and Harada K. Stress singularities for crack normal to and terminating at bimaterial interface on orthotropic half-plates. Int J Fract 81 2 (1996) 147-162