相关激励作用下板结构的统计能量分析

基于统计能量分析理论,研究了相关输入形式下保守和非保守耦合振子的能量平衡方程,讨论了相关输入形式下保守和非保守耦合板结构的能量分布和功率流情况,并推导了板结构的能量平衡方程式及相关功率项的计算式,在此基础上进行了实验验证.研究结果表明,用考虑了输入形式之间相关性的修正的统计能量分析方法预测的保守和非保守耦合板结构响应结果,与实验测量结果之间的一致性优于用经典的统计能量分析法预测的振动响应.

Statistical Energy Analysis on the Couple Plates under Correlative Excitations

Based on the traditional statistical energy analysis theory,it discusses the energy balance of conservatively and non-conservatively coupled oscillators under the correlative excitations,proposes the energy distribution and power flow of conservatively at non-conservatively coupled plates with correlative excitations,derives its equations of power balance and other items calculations.Using modified SEA balance equation under the correlative excitations,this method can predicts the responses of the plates structures.The experiment result shows that the resposnses between the predicted and measured data are better than the ones of the classical SEA equations.