Electro-magneto-mechanical elastodynamic model for Lamb wave damage quantification in composites

Luke Borkowski, Aditi Chattopadhyay

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Physics-based wave propagation computational models play a key role in structural health monitoring (SHM) and the development of improved damage quantification methodologies. Guided waves (GWs), such as Lamb waves, provide the capability to monitor large plate-like aerospace structures with limited actuators and sensors and are sensitive to small scale damage; however due to the complex nature of GWs, accurate and efficient computation tools are necessary to investigate the mechanisms responsible for dispersion, coupling, and interaction with damage. In this paper, the local interaction simulation approach (LISA) coupled with the sharp interface model (SIM) solution methodology is used to solve the fully coupled electro-magneto-mechanical elastodynamic equations for the piezoelectric and piezomagnetic actuation and sensing of GWs in fiber reinforced composite material systems. The final framework provides the full three-dimensional displacement as well as electrical and magnetic potential fields for arbitrary plate and transducer geometries and excitation waveform and frequency. The model is validated experimentally and proven computationally efficient for a laminated composite plate. Studies are performed with surface bonded piezoelectric and embedded piezomagnetic sensors to gain insight into the physics of experimental techniques used for SHM. The symmetric collocation of piezoelectric actuators is modeled to demonstrate mode suppression in laminated composites for the purpose of damage detection. The effect of delamination and damage (i.e., matrix cracking) on the GW propagation is demonstrated and quantified. The developed model provides a valuable tool for the improvement of SHM techniques due to its proven accuracy and computational efficiency.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherSPIE
Volume9064
ISBN (Print)9780819499905
DOIs
StatePublished - 2014
EventHealth Monitoring of Structural and Biological Systems 2014 - San Diego, CA, United States
Duration: Mar 10 2014Mar 13 2014

Other

OtherHealth Monitoring of Structural and Biological Systems 2014
CountryUnited States
CitySan Diego, CA
Period3/10/143/13/14

Fingerprint

Lamb Waves
elastodynamics
Guided Waves
Lamb waves
Guided electromagnetic wave propagation
Elastodynamics
Surface waves
Quantification
Structural health monitoring
Health Monitoring
Damage
Composite
structural health monitoring
damage
Laminated Composites
composite materials
Composite materials
Laminated composites
Wave propagation
Wave Propagation

Keywords

  • Electro-magnetomechanical coupling
  • Guided wave
  • Lamb wave
  • Numerical wave propagation modeling
  • Piezoelectric
  • Piezomagnetic
  • Structural health monitoring

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Borkowski, L., & Chattopadhyay, A. (2014). Electro-magneto-mechanical elastodynamic model for Lamb wave damage quantification in composites. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 9064). [90641B] SPIE. https://doi.org/10.1117/12.2045232

Electro-magneto-mechanical elastodynamic model for Lamb wave damage quantification in composites. / Borkowski, Luke; Chattopadhyay, Aditi.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 9064 SPIE, 2014. 90641B.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Borkowski, L & Chattopadhyay, A 2014, Electro-magneto-mechanical elastodynamic model for Lamb wave damage quantification in composites. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 9064, 90641B, SPIE, Health Monitoring of Structural and Biological Systems 2014, San Diego, CA, United States, 3/10/14. https://doi.org/10.1117/12.2045232
Borkowski L, Chattopadhyay A. Electro-magneto-mechanical elastodynamic model for Lamb wave damage quantification in composites. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 9064. SPIE. 2014. 90641B https://doi.org/10.1117/12.2045232
Borkowski, Luke ; Chattopadhyay, Aditi. / Electro-magneto-mechanical elastodynamic model for Lamb wave damage quantification in composites. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 9064 SPIE, 2014.
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