Dynamic Analysis of Truss‐Beam System
Publication: Journal of Aerospace Engineering
Volume 4, Issue 4
Abstract
As the manned exploration of space continues, many complex structural components are being developed to construct the orbital platforms that will be used to house communication hardware, personnel, and manufacturing complexes. These components are extremely flexible and complex in their behavior. There is a need for a simple method for determining the dynamic characteristics of these space structures with a minimum of effort. A mathematical model of one of these structural elements, an articulating truss beam, has been developed to predict its dynamic response. Assumptions of the force interaction between the beam elements and the joints have been made for using this model. Algorithms are provided to determine the flexibility matrix of the truss beam for use in the equation of motion. The natural frequencies obtained from using this method are compared with those obtained by the finite element method. An experimental procedure is planned to validate the results from the theoretical method.
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References
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Abu‐Saba, E. G., McGinley, W. M., and Montgomery, R. C. (1989). “Mini‐mast dynamic analysis using the truss‐beam model.” 3rd Annual Conf. on Aeospace Computational Control, NASA, NSF, DOD, Aug. 28‐20.
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Abu‐Saba, E. G., McGinley, W. M., and Montgomery, R. C. (1990). “Truss‐beam and space technology.” Proc. Space '90, Apr. 2, 1112–1121.
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Information & Authors
Information
Published In
Journal of Aerospace Engineering
Volume 4 • Issue 4 • October 1991
Pages: 347 - 354
Copyright
Copyright © 1991 ASCE.
History
Published online: Oct 1, 1991
Published in print: Oct 1991
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