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Finite Element Solution of Nonlinear Intrinsic Equations for Curved Composite Beams

Hodges, D.H. / Shang, X. / Cesnik, C.E.S.

A geometrically nonlinear finite element analysis, based on a weak form of the geometrically exact intrinsic equilibrium and constitutive equation, is presented for initially curved and twisted composite beams. Results for both nonlinear static deformation and linarized free vibration about the static state of deformation are obtained and compared with published exact and theoretical analyses in the literature for initially curved isotropic beams and for isotropic and composite beams with swept tips. The results agree very well with experiment.

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Finite Element Solution of Nonlinear Intrinsic Equations for Curved Composite Beams

Hodges, D.H. / Shang, X. / Cesnik, C.E.S.

A geometrically nonlinear finite element analysis, based on a weak form of the geometrically exact intrinsic equilibrium and constitutive equation, is presented for initially curved and twisted composite beams. Results for both nonlinear static deformation and linarized free vibration about the static state of deformation are obtained and compared with published exact and theoretical analyses in the literature for initially curved isotropic beams and for isotropic and composite beams with swept tips. The results agree very well with experiment.

Finite Element Solution of Nonlinear Intrinsic Equations for Curved Composite Beams

Hodges, D.H. / Shang, X. / Cesnik, C.E.S.

A geometrically nonlinear finite element analysis, based on a weak form of the geometrically exact intrinsic equilibrium and constitutive equation, is presented for initially curved and twisted composite beams. Results for both nonlinear static deformation and linarized free vibration about the static state of deformation are obtained and compared with published exact and theoretical analyses in the literature for initially curved isotropic beams and for isotropic and composite beams with swept tips. The results agree very well with experiment.

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Title:

Finite Element Solution of Nonlinear Intrinsic Equations for Curved Composite Beams

Additional title:

Finite-Elemente-Lösung von nichtlinearen inneren Gleichungen für gekrümmte Verbundstoffbalken

Contributors:

Hodges, D.H. (author) / Shang, X. (author) / Cesnik, C.E.S. (author)

Published in:

and AIAA/ASME Adaptive Structures Forum, AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, 36 ; 1 ; 103-112

Publication date:

1995

Size:

10 Seiten, 17 Bilder, 1 Tabelle, 22 Quellen

ISBN:

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Finite-Elemente-Methode , Nichtlinearität , Balken , Gleichgewicht , Verbundwerkstoff , Vibration , Linearisierung , Biegen , statische Methode , Isotropie , experimentelle Untersuchung , geometrische Form , Biegung

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