Estimation of strains / stresses in composite panels using statistical energy analysis

For the structural design of composite panels, subjected to acoustic excitation, the strains / stresses developed in the panel need to be estimated. In this work expressions for determining the strains / stresses in an SEA framework are derived. A typical composite panel used in spacecraft is subjected to diffuse field acoustic excitation in a reverberation chamber and the accelerations and the strains are measured. The strains are theoretically estimated using the expression derived and they match very well with the measured results.