Abstract
This paper presents an approximate method to calculate the response of cylindrical solid rocket motor cases to longitudinal shock or vibration. Approximate equations are derived by use of the principle of the virtual work under the assumption of zero lateral displacement. The equations are applied to the steady state forced vibration and the shock propagation of solid rocket motor models. Numerical examples considering the case of solid cylindrical core are presented and compared with the experiments studied by WAKAHARA. And also the authors' experimental results in the case of hollow cylindrical core are presented and compared with the theoretical results.
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