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Eigenfrequency analysis of thin-walled girders curved in plan

Stavridis, L.T. / Michaltsos, G.T.

An analytical procedure is proposed for the evaluation of the eigenfrequencies of a thin-walled beam curved in plan in response to transverse bending and torsion with various boundary conditions. The analysis is performed through the introduction of four non-dimensionalized geometric parameters which govern the dynamic behaviour of the beam. These parameters lead to an equally non-dimensionalized eigenfrequency parameter through an appropriate treatment of the differential equations on the basis of a computer program specially developed for this purpose. This program is also applied to investigate the influence of the aforementioned parameters on the eigenfrequency behaviour of a thin-wall girder.

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Eigenfrequency analysis of thin-walled girders curved in plan

Stavridis, L.T. / Michaltsos, G.T.

An analytical procedure is proposed for the evaluation of the eigenfrequencies of a thin-walled beam curved in plan in response to transverse bending and torsion with various boundary conditions. The analysis is performed through the introduction of four non-dimensionalized geometric parameters which govern the dynamic behaviour of the beam. These parameters lead to an equally non-dimensionalized eigenfrequency parameter through an appropriate treatment of the differential equations on the basis of a computer program specially developed for this purpose. This program is also applied to investigate the influence of the aforementioned parameters on the eigenfrequency behaviour of a thin-wall girder.

Eigenfrequency analysis of thin-walled girders curved in plan

Stavridis, L.T. / Michaltsos, G.T.

An analytical procedure is proposed for the evaluation of the eigenfrequencies of a thin-walled beam curved in plan in response to transverse bending and torsion with various boundary conditions. The analysis is performed through the introduction of four non-dimensionalized geometric parameters which govern the dynamic behaviour of the beam. These parameters lead to an equally non-dimensionalized eigenfrequency parameter through an appropriate treatment of the differential equations on the basis of a computer program specially developed for this purpose. This program is also applied to investigate the influence of the aforementioned parameters on the eigenfrequency behaviour of a thin-wall girder.

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Title:

Eigenfrequency analysis of thin-walled girders curved in plan

Additional title:

Die Eigenfrequenzanalyse von in der Ebene gekrümmten dünnwandigen Trägern

Contributors:

Stavridis, L.T. (author) / Michaltsos, G.T. (author)

Published in:

Journal of Sound and Vibration ; 227 ; 383-396

Publication date:

1999

Size:

14 Seiten, 7 Bilder, 2 Tabellen, 5 Quellen

ISSN:

DOI:

https://doi.org/10.1006/jsvi.1999.2350

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Träger (Bauwesen) , Dünnwand , Krümmung , dynamisches Verhalten , Modalanalyse , Eigenfrequenz , analytische Untersuchung , Biegebeanspruchung , Querrichtung , Verwindung (Torsion) , Formparameter , Differenzengleichung , Computer-Simulation

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