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

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

doi:10.1115/IMECE2008-66555

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

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

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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 language	English (US)
Title of host publication	Mechanical Systems and Control
Publisher	American Society of Mechanical Engineers (ASME)
Pages	589-598
Number of pages	10
ISBN (Print)	9780791848722
DOIs	https://doi.org/10.1115/IMECE2008-66555
State	Published - 2009
Externally published	Yes
Event	2008 ASME International Mechanical Engineering Congress and Exposition, IMECE 2008 - Boston, MA, United States Duration: Oct 31 2008 → Nov 6 2008

Publication series

Name	ASME International Mechanical Engineering Congress and Exposition, Proceedings
Volume	11

Conference

Conference	2008 ASME International Mechanical Engineering Congress and Exposition, IMECE 2008
Country/Territory	United States
City	Boston, MA
Period	10/31/08 → 11/6/08

ASJC Scopus subject areas

Mechanical Engineering

Access to Document

10.1115/IMECE2008-66555

Cite this

Butcher, E. A., 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 Mechanical Systems and Control (pp. 589-598). (ASME International Mechanical Engineering Congress and Exposition, Proceedings; Vol. 11). American Society of Mechanical Engineers (ASME). 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 A.; Sevostianov, Igor; Sari, Ma'en S. et al.
Mechanical Systems and Control. American Society of Mechanical Engineers (ASME), 2009. p. 589-598 (ASME International Mechanical Engineering Congress and Exposition, Proceedings; Vol. 11).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Butcher, EA, 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 Mechanical Systems and Control. ASME International Mechanical Engineering Congress and Exposition, Proceedings, vol. 11, American Society of Mechanical Engineers (ASME), 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 EA, 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 Mechanical Systems and Control. American Society of Mechanical Engineers (ASME). 2009. p. 589-598. (ASME International Mechanical Engineering Congress and Exposition, Proceedings). doi: 10.1115/IMECE2008-66555

Butcher, Eric A. ; Sevostianov, Igor ; Sari, Ma'en S. et al. / Use of nonlinear vibration frequencies and electrical conductivity measurements in the separation of internal and boundary damage in structures. Mechanical Systems and Control. American Society of Mechanical Engineers (ASME), 2009. pp. 589-598 (ASME International Mechanical Engineering Congress and Exposition, Proceedings).

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AB - 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.

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

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ASJC Scopus subject areas

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