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Title
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Dynamics Of A Class Of Viscously Damped Struts
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Report Number
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WL-TR-91-3078 Volume I, p. CCC-1 thru CCC-14
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Creator
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Yiu, Y. C.
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Ginter, S. D.
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Corporate Author
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Lockheed Missiles & Space Company
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Honeywell Inc., Satellite Systems Operation
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Laboratory
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Wright Laboratory
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Date
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1991
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Date Issued
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1991-08
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Extent
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14
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Contract
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Laboratory Research - No Contract
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DoD Project
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2401
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DoD Task
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240104
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Identifier
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ADA241311
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Format
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1 online resource
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Abstract
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The dynamics of a class of struts with one viscous chamber at one end of the strut is developed using formulation and methods consistent with finite element dynamic analysis of structural system. This technique is developed to enable consistent and systematic design and analysis of large truss structures passively damped by viscous struts. Modeling and model reduction methods for accurate analysis with a minimum number of design parameters are developed. Design parameters for optimum damping characteristic, and the associated dynamic stiffness and bandwidth characteristics are derived. A design procedure and design curves to size the struts for system level integration are presented.
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Description
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The dynamics of a class of struts with one viscous chamber at one end of the strut is developed using formulation and methods consistent with finite element dynamic analysis of structural system. This technique is developed to enable consistent and systematic design and analysis of large truss structures passively damped by viscous struts. Modeling and model reduction methods for accurate analysis with a minimum number of design parameters are developed. Design parameters for optimum damping characteristic, and the associated dynamic stiffness and bandwidth characteristics are derived. A design procedure and design curves to size the struts for system level integration are presented.
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Distribution Classification
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1
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Distribution Conflict
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No
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DTIC Record Exists
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No
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Illinois Tech Related
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No
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Photo Quality
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Not Needed
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Report Availability
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Full text available
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Type
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article