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Consistent Structural Linearisation in Flexible-Body Dynamics with Large Rigid-Body Motion

Author(s):

H. Hesse, R. Palacios
Conference/Journal:

Computers & Structures, vol. 110-111
Abstract:

A consistent linearisation, using perturbation methods, is obtained for the structural degrees of freedom of flexible slender bodies with large rigid-body motions. The resulting system preserves all couplings between rigid and elastic motions and can be projected onto a few vibration modes of a reference configuration. This gives equations of motion with cubic terms in the rigid-body degrees of freedom and constant coefficients which can be pre-computed prior to the time-marching simulation. Numerical results are presented to illustrate the approach and to show its advantages with respect to mean-axes approximations.

Year:

2012
Type of Publication:

(01)Article
Supervisor:



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% Autogenerated BibTeX entry
@Article { HesPal:2012:IFA_4981,
    author={H. Hesse and R. Palacios},
    title={{Consistent Structural Linearisation in Flexible-Body
	  Dynamics with Large Rigid-Body Motion}},
    journal={Computers \& Structures},
    year={2012},
    volume={110-111},
    number={},
    pages={},
    month=nov,
    url={http://control.ee.ethz.ch/index.cgi?page=publications;action=details;id=4981}
}
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