Use of nonlinear vibration frequencies and electrical conductivity measurements in the separation of internal and boundary damage in structures

Eric Butcher, Igor Sevostianov, Ma'en S. Sari, Mohammad A. Al-Shudeifat

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

3 Citations (Scopus)

Abstract

The paper addresses one of the key problems in structural health monitoring -how to separate defects, both microscopic and macroscopic, accumulated in structural members from damage in the joints and boundaries. It is suggested to use a simultaneous set of measurements - nonlinear vibration frequencies and electrical conductivities - to distinguish between three distinct types of defects. Nonlinearities occur as a result of breathing internal cracks and slapping in damaged joints. The use of proper orthogonal decomposition and a local equivalent linear stiffness method allows for model updating to account for the damage. The theory is presented for full three-dimensional elastic solids and illustrated via the problem of a beam damaged both internally as well as at the boundaries.

Original languageEnglish (US)
Title of host publicationASME International Mechanical Engineering Congress and Exposition, Proceedings
Pages589-598
Number of pages10
Volume11
DOIs
StatePublished - 2009
Externally publishedYes
Event2008 ASME International Mechanical Engineering Congress and Exposition, IMECE 2008 - Boston, MA, United States
Duration: Oct 31 2008Nov 6 2008

Other

Other2008 ASME International Mechanical Engineering Congress and Exposition, IMECE 2008
CountryUnited States
CityBoston, MA
Period10/31/0811/6/08

Fingerprint

Defects
Structural members
Structural health monitoring
Stiffness
Cracks
Decomposition
Electric Conductivity

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Butcher, E., Sevostianov, I., Sari, M. S., & Al-Shudeifat, M. A. (2009). Use of nonlinear vibration frequencies and electrical conductivity measurements in the separation of internal and boundary damage in structures. In ASME International Mechanical Engineering Congress and Exposition, Proceedings (Vol. 11, pp. 589-598) https://doi.org/10.1115/IMECE2008-66555

Use of nonlinear vibration frequencies and electrical conductivity measurements in the separation of internal and boundary damage in structures. / Butcher, Eric; Sevostianov, Igor; Sari, Ma'en S.; Al-Shudeifat, Mohammad A.

ASME International Mechanical Engineering Congress and Exposition, Proceedings. Vol. 11 2009. p. 589-598.

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

Butcher, E, Sevostianov, I, Sari, MS & Al-Shudeifat, MA 2009, Use of nonlinear vibration frequencies and electrical conductivity measurements in the separation of internal and boundary damage in structures. in ASME International Mechanical Engineering Congress and Exposition, Proceedings. vol. 11, pp. 589-598, 2008 ASME International Mechanical Engineering Congress and Exposition, IMECE 2008, Boston, MA, United States, 10/31/08. https://doi.org/10.1115/IMECE2008-66555
Butcher E, Sevostianov I, Sari MS, Al-Shudeifat MA. Use of nonlinear vibration frequencies and electrical conductivity measurements in the separation of internal and boundary damage in structures. In ASME International Mechanical Engineering Congress and Exposition, Proceedings. Vol. 11. 2009. p. 589-598 https://doi.org/10.1115/IMECE2008-66555
Butcher, Eric ; Sevostianov, Igor ; Sari, Ma'en S. ; Al-Shudeifat, Mohammad A. / Use of nonlinear vibration frequencies and electrical conductivity measurements in the separation of internal and boundary damage in structures. ASME International Mechanical Engineering Congress and Exposition, Proceedings. Vol. 11 2009. pp. 589-598
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