In this paper, based on the nonlinear strain–deformation relationship, the dynamics equation of a spatial curved beam undergoing large displacement and small deformation is deduced using the finite-element method of floating frame of reference (FEMFFR) and Hamiltonian variation principle. The stress-stiffening effect, which is also called geometric stiffening effect, is accounted for in the dynamics equation, which makes it possible for the dynamics simulation of the spatial curved beam with high rotational speed. A numerical example is carried out by using the deduced dynamics equation to analyze the stress-stiffening effect of the curved beam and then verified by abaqus software. Then, the modal synthesis methods, which result in much fewer numbers of coordinates, are employed to improve the computational efficiency.
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August 2016
Research-Article
Study on the Stress-Stiffening Effect and Modal Synthesis Methods for the Dynamics of a Spatial Curved Beam
Jianshu Zhang,
Jianshu Zhang
Institute of Launch Dynamics,
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: zhangdracpa@sina.com
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: zhangdracpa@sina.com
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Xiaoting Rui,
Xiaoting Rui
Institute of Launch Dynamics,
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: ruixt@163.net
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: ruixt@163.net
Search for other works by this author on:
Bo Li,
Bo Li
Institute of Launch Dynamics,
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: lbnjust@163.com
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: lbnjust@163.com
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Gangli Chen
Gangli Chen
Institute of Launch Dynamics,
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: chengangli1988@163.com
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: chengangli1988@163.com
Search for other works by this author on:
Jianshu Zhang
Institute of Launch Dynamics,
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: zhangdracpa@sina.com
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: zhangdracpa@sina.com
Xiaoting Rui
Institute of Launch Dynamics,
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: ruixt@163.net
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: ruixt@163.net
Bo Li
Institute of Launch Dynamics,
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: lbnjust@163.com
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: lbnjust@163.com
Gangli Chen
Institute of Launch Dynamics,
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: chengangli1988@163.com
Nanjing University of Science and Technology,
Nanjing 210094, China
e-mail: chengangli1988@163.com
1Corresponding author.
Contributed by the Applied Mechanics Division of ASME for publication in the JOURNAL OF APPLIED MECHANICS. Manuscript received February 27, 2016; final manuscript received April 25, 2016; published online May 20, 2016. Editor: Yonggang Huang.
J. Appl. Mech. Aug 2016, 83(8): 081004 (8 pages)
Published Online: May 20, 2016
Article history
Received:
February 27, 2016
Revised:
April 25, 2016
Citation
Zhang, J., Rui, X., Li, B., and Chen, G. (May 20, 2016). "Study on the Stress-Stiffening Effect and Modal Synthesis Methods for the Dynamics of a Spatial Curved Beam." ASME. J. Appl. Mech. August 2016; 83(8): 081004. https://doi.org/10.1115/1.4033515
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