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Modal survey of the space shuttle solid rocket motor using multiple input methods (1987)

Mason, Donald R. ; Hunt, David L. ; Jensen, Brent M. ; [et al.]

In: CASI

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Publication Date: 2013-08-31

Description: The ability to accurately characterize propellant in a finite element model is a concern of engineers tasked with studying the dynamic response of the Space Shuttle Solid Rocket Motor (SRM). THe uncertainties arising from propellant characterization through specimem testing led to the decision to perform a model survey and model correlation of a single segment of the Shuttle SRM. Multiple input methods were used to excite and define case/propellant modes of both an inert segment and, later, a live propellant segment. These tests were successful at defining highly damped, flexible modes, several pairs of which occured with frequency spacing of less than two percent.

Keywords: SPACECRAFT PROPULSION AND POWER

Type: NASA-Marshall Space Flight Center, The 58th Shock and Vibration Symposium, Volume 1; p 155-167

Format: application/pdf

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