Filtering out Environmental Effects in Damage Detection of Civil Engineering Structures

P. Andersen; Poul Henning Kirkegaard; Rune Brincker

Filtering out Environmental Effects in Damage Detection of Civil Engineering Structures

P. Andersen, Poul Henning Kirkegaard, Rune Brincker

Publikation: Bidrag til bog/antologi/rapport/konference proceeding › Konferenceartikel i proceeding › Forskning › peer review

2 Citationer (Scopus)

11 Downloads (Pure)

Abstract

This paper concerns the problems of using eigenfrequencies, estimated from sampled data, of a structural system exposed to fluctuating ambient conditions. In this paper it is the effects of a fluctuating ambient temperature that is of primary concern. A regression model, for elimination of the influence of the ambient temperature on the estimated natural eigenfrequencies, is formulated. This regression model is tested using simulations of a steel beam, having a growing crack and being exposed to a fluctuating ambient temperature. It is found that even with a simple parametrization, it is possible to remove the influence of the fluctuating ambient temperature from the estimated eigenfrequencies.

Originalsprog	Engelsk
Titel	Proceedings of the 15th International Modal Analysis Conference : February 3-6, 1997, Orlando, Florida
Antal sider	7
Vol/bind	1
Udgivelsessted	Bethel, Connecticut
Forlag	Society for Experimental Mechanics
Publikationsdato	1997
Sider	905-911
ISBN (Trykt)	0-912053-53-4
Status	Udgivet - 1997
Begivenhed	The International Modal Analysis Conference - Orlando, Florida, USA Varighed: 3 feb. 1997 → 6 feb. 1997 Konferencens nummer: 15

Konference

Konference	The International Modal Analysis Conference
Nummer	15
Land/Område	USA
By	Orlando, Florida
Periode	03/02/1997 → 06/02/1997

Navn	IMAC
Vol/bind	1
ISSN	1046-6770

Emneord

Fluctuating Ambient Temperature
Fluctuating Ambient Conditions
Regression Model
Steel Beam
Crack
Eigenfrequencies

AUB Link

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Citationsformater

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title = "Filtering out Environmental Effects in Damage Detection of Civil Engineering Structures",

abstract = "This paper concerns the problems of using eigenfrequencies, estimated from sampled data, of a structural system exposed to fluctuating ambient conditions. In this paper it is the effects of a fluctuating ambient temperature that is of primary concern. A regression model, for elimination of the influence of the ambient temperature on the estimated natural eigenfrequencies, is formulated. This regression model is tested using simulations of a steel beam, having a growing crack and being exposed to a fluctuating ambient temperature. It is found that even with a simple parametrization, it is possible to remove the influence of the fluctuating ambient temperature from the estimated eigenfrequencies.",

keywords = "Fluctuating Ambient Temperature, Fluctuating Ambient Conditions, Regression Model, Steel Beam, Crack, Eigenfrequencies, Fluctuating Ambient Conditions, Fluctuating Ambient Temperature, Regression Model, Steel Beam, Crack, Eigenfrequencies",

author = "P. Andersen and Kirkegaard, {Poul Henning} and Rune Brincker",

year = "1997",

language = "English",

isbn = "0-912053-53-4",

volume = "1",

series = "IMAC",

publisher = "Society for Experimental Mechanics",

pages = "905--911",

booktitle = "Proceedings of the 15th International Modal Analysis Conference",

address = "United States",

note = "The International Modal Analysis Conference ; Conference date: 03-02-1997 Through 06-02-1997",

}

Andersen, P, Kirkegaard, PH & Brincker, R 1997, Filtering out Environmental Effects in Damage Detection of Civil Engineering Structures. i Proceedings of the 15th International Modal Analysis Conference: February 3-6, 1997, Orlando, Florida. bind 1, Society for Experimental Mechanics, Bethel, Connecticut, IMAC, bind 1, s. 905-911, The International Modal Analysis Conference, Orlando, Florida, USA, 03/02/1997.

Filtering out Environmental Effects in Damage Detection of Civil Engineering Structures. / Andersen, P.; Kirkegaard, Poul Henning; Brincker, Rune.
Proceedings of the 15th International Modal Analysis Conference: February 3-6, 1997, Orlando, Florida. Bind 1 Bethel, Connecticut: Society for Experimental Mechanics, 1997. s. 905-911 (IMAC, Bind 1).

Publikation: Bidrag til bog/antologi/rapport/konference proceeding › Konferenceartikel i proceeding › Forskning › peer review

TY - GEN

T1 - Filtering out Environmental Effects in Damage Detection of Civil Engineering Structures

AU - Andersen, P.

AU - Kirkegaard, Poul Henning

AU - Brincker, Rune

N1 - Conference code: 15

PY - 1997

Y1 - 1997

N2 - This paper concerns the problems of using eigenfrequencies, estimated from sampled data, of a structural system exposed to fluctuating ambient conditions. In this paper it is the effects of a fluctuating ambient temperature that is of primary concern. A regression model, for elimination of the influence of the ambient temperature on the estimated natural eigenfrequencies, is formulated. This regression model is tested using simulations of a steel beam, having a growing crack and being exposed to a fluctuating ambient temperature. It is found that even with a simple parametrization, it is possible to remove the influence of the fluctuating ambient temperature from the estimated eigenfrequencies.

AB - This paper concerns the problems of using eigenfrequencies, estimated from sampled data, of a structural system exposed to fluctuating ambient conditions. In this paper it is the effects of a fluctuating ambient temperature that is of primary concern. A regression model, for elimination of the influence of the ambient temperature on the estimated natural eigenfrequencies, is formulated. This regression model is tested using simulations of a steel beam, having a growing crack and being exposed to a fluctuating ambient temperature. It is found that even with a simple parametrization, it is possible to remove the influence of the fluctuating ambient temperature from the estimated eigenfrequencies.

KW - Fluctuating Ambient Temperature

KW - Fluctuating Ambient Conditions

KW - Regression Model

KW - Steel Beam

KW - Crack

KW - Eigenfrequencies

KW - Fluctuating Ambient Conditions

KW - Fluctuating Ambient Temperature

KW - Regression Model

KW - Steel Beam

KW - Crack

KW - Eigenfrequencies

M3 - Article in proceeding

SN - 0-912053-53-4

VL - 1

T3 - IMAC

SP - 905

EP - 911

BT - Proceedings of the 15th International Modal Analysis Conference

PB - Society for Experimental Mechanics

CY - Bethel, Connecticut

T2 - The International Modal Analysis Conference

Y2 - 3 February 1997 through 6 February 1997

ER -

Filtering out Environmental Effects in Damage Detection of Civil Engineering Structures

Abstract

Konference

Emneord

AUB Link

Fingeraftryk

Citationsformater