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Reduced order modelling for the nonlinear geometric response of some curved structures

Abstract : The focus of this paper is on the assessment of nonlinear reduced order models (ROM) for the accurate prediction of the geometrically nonlinear response of some curved structures. Earlier difficulties in obtaining accurate reduced order models are clarified and a revised identification procedure of the ROM parameters is proposed. The validation of the methodology to a curved beam and a cylindrical shell, in full 3-D displacements, are presented. The excellent matching between full finite element and ROM predicted responses demonstrate the value of the approach.
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Submitted on : Thursday, May 17, 2012 - 5:46:42 PM
Last modification on : Thursday, March 19, 2020 - 11:52:03 AM
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Y.-W. Chang, X.Q. Wang, Evangéline Capiez-Lernout, M. P. Mignolet, Christian Soize. Reduced order modelling for the nonlinear geometric response of some curved structures. International Forum on Aeroelasticity and Structural Dynamics, IFASD 2011, Jun 2011, Paris, France. paper IFASD-2011-185, Pages: 1-19. ⟨hal-00698725⟩

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