瞬态激励下保守耦合系统的统计能量分析

根据保守耦合系统的统计能量分析原理,通过对耦合子系统之间功率平衡方程式的修正和推导,得到了瞬态激励条件下系统的能量平衡方程,并针对L-型耦合平板的具体结构形式,建立了两子系统的SEA模型,提出了有关参数的预估和测试方法,计算了耦合平板的能量分布和功率流,测量了瞬态激励条件下系统的能量等参数.理论分析和实验结果的一致性证明了本文的研究方法和所取得的结果是合理可靠的.

Statistical energy analysis of conservatively coupled systems under transient excitations

In this paper,based on the theory of statistical energy analysis(SEA) for conservatively coupled systems,equations of power balance between coupled subsystem is modified and derived,the energy balance equations of systems under transient excitations is obtained,and to the specific structure of L-shape coupled plates,the SEA model of two subsystem is established,the prediction of related parameters and tested method is raised,the energy distribution of coupled plates and power flow is calculated,the energy of system under transient excitations and so on is measured.The correspondence of theory analysis and experienced result verified that the researched method and the obtained results is responsible and reliable.