Structural anomaly detection using fiber optic sensors and inverse finite element method

Collection of Technical Papers - AIAA Guidance, Navigation, and Control Conference

Volumn 6, Issue , 2005, Pages 4799-4806

  Quach, Cuong C ^a   Vazquez, Sixto L ^a   Tessler, Alex ^a   Moore, Jason P ^a   Cooper, Eric G ^a   Spangler, Jan L ^b  

^a NASA LANGLEY RESEARCH CENTER   (United States)

^b Lockheed Martin Aeronautics Company   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AIRCRAFT ACCIDENTS; FIBER OPTIC SENSORS; FINITE ELEMENT METHOD; SOFTWARE PROTOTYPING; STRAIN; STRUCTURAL ANALYSIS;

FIBER OPTIC STRAIN SENSING; INVERSE FINITE ELEMENT METHOD; STRUCTURAL ANOMALY DETECTION; STRUCTURAL COMPONENT FAILURE; SURFACE SHAPE INFORMATION;

FAILURE (MECHANICAL);

EID: 29744468413     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2005-6357     Document Type: Conference Paper

References (8)

1. Froggatt, M. E., and Moore, J. P., "Distributed Measurement of Static Strain in an Optical Fiber with Multiple Bragg Gratings at Nominally Equal Wavelengths," Applied Optics-OT, Vol. 37, No. 10, 1998, pp. 1741.
2. Quach, C. C., and Vazquez, S. L., "Comparison of Fiber Strain Demodulation Implementations," NASA TM-2005-0213521, 2005.
3. Childers, B. A, Froggatt, M. E., Allison, S. G., and Moore, T. C., Sr., Hare, D. A., Batten, C. F. and Jegley, D. C., "Use of 3000 Bragg Grating Strain Sensors Distributed on Four Eight Meter Optical Fibers During Static Load Tests of a Composite Structure," NASA-2001-9spie-bac, 2001.
4. Munns, T. E., Kent, R. M., et al., "Health Monitoring for Airframe Structural Characterization", NASA CR-2002-211428, 2002.
5. Tessler, A., Spangler, J. L., "A Least-Squares Variational Method for Full-Field Reconstruction of Elastic Deformations in Shear Deformable Plates and Shells," Computer Methods in Applied Mechanics and Engineering, Vol. 194, pp. 327-339, 2005.
6. Tessler, A. and Spangler, J. L., "Inverse FEM for Full-Field Reconstruction of Elastic Deformations in Shear Deformable Plates and Shells," Proceedings of Second European Workshop on Structural Health Monitoring, Munich, Germany, pp. 83-90, 2004.
7. Vazquez, S. L., Tessler, A., Quach, C. C., Cooper, E. G., Parks, J., Spangler, J, L., "Structural Health Monitoring Using High-Density Fiber Optic Strain Sensor and Inverse Finite Element Methods", NASA TM-2005-213761, 2005.
8. Tessler, A., Spangler, J., L., "A Variational Principal for Reconstruction of Elastic Deformation of Shear Deformable Plates and Shells", NASA TM-2003-212445.