Abstract
Transient Statistical Energy Analysis (TSEA) is suitable tool to predict transient sound and vibration especially in huge structures like ship-buildings under the shock excitation. This paper proposes an experimental and numerical method for evaluating subsystem energies in time domain in order to verify the TSEA predictions. The method is yielded that the subsystem energy must be measured by one point measurement at the center of gravity of the subsystem or by some point measurement for average at the points which coordination average must correspond to the center of gravity. By using an L-shaped which is composed of two flat rectangular plates, the accelerations at lots of points on its one subsystem are measured to discuss the method. As a result, it is demonstrated that the proposed method gives the stable estimations.
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