NASA NTRS · 19720021255
Coupling between structure and liquids in a parallel stage space shuttle design
Abstract
A study was conducted to determine the influence of liquid propellants on the dynamic loads for space shuttle vehicles. A parallel-stage configuration model was designed and tested to determine the influence of liquid propellants on coupled natural modes. A forty degree-of-freedom analytical model was also developed for predicting these modes. Currently available analytical models were used to represent the liquid contributions, even though coupled longitudinal and lateral motions are present in such a complex structure. Agreement between the results was found in the lower few modes.
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Kana, D. D., Ko, W. L., Francis, P. H., Nagy, A.. 1972-07-05. Coupling between structure and liquids in a parallel stage space shuttle design. https://ntrs.nasa.gov/citations/19720021255
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