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Nonlinear modeling for dynamic analysis of a rotating cantilever beam

Title
Nonlinear modeling for dynamic analysis of a rotating cantilever beam
Author
정진태
Keywords
VIBRATIONS; Nonlinear boundary conditions; Nonlinear modeling; Rotating cantilever beam; Stretch deformation; Non-Cartesian deformation variables
Issue Date
2016-11
Publisher
SPRINGER
Citation
NONLINEAR DYNAMICS, v. 86, No. 3, Page. 1981-2002
Abstract
This paper proposes a nonlinear model for more accurate and efficient dynamic analysis of a rotating cantilever beam with elastic deformation. The proposed nonlinear model is described by partial integro-differential equations with non-Cartesian deformation variables, i.e., the stretch, chordwise and flapwise deformations. After the equations of motion are discretized by using the mode superposition method, dynamic responses are computed by applying the Newmark time integration method to the discretized equations. To show the accuracy and efficiency of the proposed model, convergence characteristics and dynamic responses for the present model are compared with those for previous models. This study shows that the proposed model not only yields good accuracy and efficiency in terms of computation, but also overcomes the limitations of a previous conventional nonlinear model expressed by Cartesian variables.
URI
https://link.springer.com/article/10.1007/s11071-016-3009-5http://repository.hanyang.ac.kr/handle/20.500.11754/71310
ISSN
0924-090X
DOI
10.1007/s11071-016-3009-5
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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