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Users manual: Dynamics of two bodies connected by an elastic tether, six degrees of freedom forebody and five degrees of freedom deceleratorThe equations of motion and a computer program for the dynamics of a six degree of freedom body joined to a five degree of freedom body by a quasilinear elastic tether are presented. The forebody is assumed to be a completely general rigid body with six degrees of freedom; the decelerator is also assumed to be rigid, but with only five degrees of freedom (symmetric about its longitudinal axis). The tether is represented by a spring and dashpot in parallel, where the spring constant is a function of tether elongation. Lagrange's equation is used to derive the equations of motion with the Lagrange multiplier technique used to express the constraint provided by the tether. A computer program is included which provides a time history of the dynamics of both bodies and the tension in the tether.
Document ID
19740021191
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Doyle, G. R., Jr. (Goodyear Aerospace Corp. Akron, OH, United States)
Burbick, J. W. (Goodyear Aerospace Corp. Akron, OH, United States)
Date Acquired
September 3, 2013
Publication Date
April 1, 1974
Subject Category
Structural Mechanics
Report/Patent Number
NASA-CR-120261
GER-16047
Accession Number
74N29304
Funding Number(s)
CONTRACT_GRANT: NAS8-29144
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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