Dynamic Analysis of a Rotating Rigid-Flexible Coupled Smart Structure With Large Deformations

HUANG Yong-an; DENG Zi-chen; YAO Lin-xiao

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Article Navigation > Applied Mathematics and Mechanics > 2007 > 28(10): 1203-1212

HUANG Yong-an, DENG Zi-chen, YAO Lin-xiao. Dynamic Analysis of a Rotating Rigid-Flexible Coupled Smart Structure With Large Deformations[J]. Applied Mathematics and Mechanics, 2007, 28(10): 1203-1212.

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Dynamic Analysis of a Rotating Rigid-Flexible Coupled Smart Structure With Large Deformations

1.
School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi'an 710072, P. R. China;

Received Date: 2006-01-20
Rev Recd Date: 2007-07-27
Publish Date: 2007-10-15

Abstract

Abstract

Based on Hamilton.s principle,a new kind of fully coupled nonlinear dynamic model for a rotating rigid-flexible smart structure with a tip mass is proposed.The geometrically nonlinear effects of the axial,transverse displacement and rotation angle are considered by means of the first-order approximation coupling (FOAC) model theory,in which the large deformations and the centrifugal stiffening effects are considered.Three kinds of systems are established respectively,which are a structure without piezoelectric layer,with piezoelectric layer in open circuit and closed circuit.Several simulations based on simplified models are presented to show the differences in characteristics between structures with and without the tip mass,between smart beams in closed and open circuit,and between the centrifugal effects in high speed rotating state or not.The last simulation calculates the dynamic response of the structure subjected to external electrical loading.
- multibody system,
- smart beam,
- finite element method,
- large deformation

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References(13)

References

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