Damage identification and health monitoring of structural and mechanical systems from changes in their vibration characteristics: A literature review

Doebling, Scott W.; Farrar, Charles R.; Prime, Michael B.; Shevitz, Daniel

doi:10.2172/249299

Cited by 2,201 publications

(1,541 citation statements)

References 64 publications

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“…Flexible monopiles are often designed in such a manner as to ensure that the global system has a natural frequency between the 1P and 3P range and it is critical that a designer can accurately predict the system's natural frequency and avoid resonance [1,2]. However, recent field measurements suggest that the soil stiffness values recommended in offshore design codes [3,4] may result in significant errors in estimating the structure's natural frequency.…”

Section: Dynamic Soil-structure Interaction (Dssi)mentioning

confidence: 99%

“…Understanding a soil's dynamic stiffness is also very important with regard to Structural Health Monitoring (SHM). Recent advances in SHM use changes in the modal properties of structures in order to infer some form of damage [1]. In the case of bridges, most of the work to date has focused on monitoring the superstructure.…”

Section: Dynamic Soil-structure Interaction (Dssi)mentioning

confidence: 99%

“…x,t w t x p k ,  (1) where p(x, t) is the applied pressure (N m -2 ) at a given unit of time, w(x, t) is the deflection (m) at a given time, and k is the coefficient of subgrade reaction (N m -3 ). The key uncertainty with using a Winkler model for dynamic applications lies with the specification of the parameters required to model the behaviour of the soil under dynamic motion.…”

Section:    mentioning

confidence: 99%

See 2 more Smart Citations

A comparison of initial stiffness formulations for small-strain soil–pile dynamic Winkler modelling

Prendergast

Gavin

2016

Soil Dynamics and Earthquake Engineering

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Section: Dynamic Soil-structure Interaction (Dssi)mentioning

confidence: 99%

Section: Dynamic Soil-structure Interaction (Dssi)mentioning

confidence: 99%

Section:    mentioning

confidence: 99%

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A comparison of initial stiffness formulations for small-strain soil–pile dynamic Winkler modelling

Prendergast

Gavin

2016

Soil Dynamics and Earthquake Engineering

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“…Farrar and Worden [1] point out that this research is motivated by its potential life-safety and economic impact. Nondestructive damage identification techniques tend to fall into the category of local or global [2]. Localised methods include techniques such as acoustic emission, ultra sonic testing, magnetic field, radiography and eddy current methods.…”

Section: Introductionmentioning

confidence: 99%

“…A number of authors have published reviews on the most common vibration-based condition monitoring techniques [2][3][4][5]. Broadly speaking these methods can be categorized as: (i) natural frequency based methods, (ii) mode shape based methods and (iii) curvature based methods.…”

Section: Introductionmentioning

confidence: 99%

An investigation into the acceleration response of a damaged beam-type structure to a moving force

González

Hester

2013

Journal of Sound and Vibration

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Publication information Journal of Sound and Vibration, 332 (13): 3201-3217Publisher Elsevier Item record/more information http://hdl.handle.net/10197/6212 Publisher's statementThis is the author's version of a work that was accepted for publication in Journal of Sound and Vibration. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Sound and Vibration (VOL 332, ISSUE 13, (2013) that did not appear in the healthy structure is present in the response of the damaged structure. This paper elucidates from first principles how the acceleration response can be assumed to consist of 'static' and 'dynamic' components, and where the beam has experienced a localised loss in stiffness, an additional 'damage' component. The combination of these components establishes how the damage singularity will appear in the total response.For a given damage severity, the amplitude of the 'damage' component will depend on how close the damage location is to the sensor, and its frequency content will increase with higher velocities of the moving force. The latter has implications for damage detection because if the frequency content of the 'damage' component includes bridge and/or vehicle frequencies, it becomes more difficult to identify damage. The paper illustrates how a thorough understanding of the relationship between the 'static' and 'damage' components contributes *Manuscript Click here to download Manuscript: Manuscript RevC.doc Click here to view linked References 2 to establish if damage has occurred and to provide an estimation of its location and severity.The findings are corroborated using accelerations from a planar finite element simulation model where the effects of force velocity and bridge span are examined.

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Free and Forced Vibration Models

Haroon¹

2008

Encyclopedia of Structural Health Monitoring

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This article provides an overview of vibrations‐based structural health monitoring (SHM). The framework of vibrations‐based SHM is discussed by using Newton's Law to interpret the various aspects, including data types and classes of techniques available. The process of SHM is illustrated by discussing experimental and numerical examples of loads and damage identification drawn from the literature and the use of this SHM information in the development of empirical damage prognosis models.

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Damage identification and health monitoring of structural and mechanical systems from changes in their vibration characteristics: A literature review

Cited by 2,201 publications

References 64 publications

A comparison of initial stiffness formulations for small-strain soil–pile dynamic Winkler modelling

A comparison of initial stiffness formulations for small-strain soil–pile dynamic Winkler modelling

An investigation into the acceleration response of a damaged beam-type structure to a moving force

Free and Forced Vibration Models

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