@inproceedings{accf2a39671b49bd89c95b4d3840dfa6,
title = "Use of nonlinear vibration frequencies and electrical conductivity measurements in the separation of internal and boundary damage in structures",
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.",
author = "Butcher, {Eric A.} and Igor Sevostianov and Sari, {Ma'en S.} and Al-Shudeifat, {Mohammad A.}",
year = "2009",
doi = "10.1115/IMECE2008-66555",
language = "British English",
isbn = "9780791848722",
series = "ASME International Mechanical Engineering Congress and Exposition, Proceedings",
pages = "589--598",
booktitle = "2008 Proceedings of the ASME International Mechanical Engineering Congress and Exposition, IMECE 2008",
note = "2008 ASME International Mechanical Engineering Congress and Exposition, IMECE 2008 ; Conference date: 31-10-2008 Through 06-11-2008",
}