相关激励下的统计能量分析法（SEA）研究

STATISTICAL ENERGY ANALYSIS FOR NON-CONSERVATIVELY COUPLED SYSTEMS UNDER HIGH- FREQUENCY WIDE-BAND CORRELATED EXCITATIONS

目前相关激励下的统计能量关系实质是在比例相关或互谱密度为实数的相关激励下获得的，从分析普通相关激励下的功率流入手、给出相关激励下保守耦合系统及非保守耦合系统统计能量关系的普遍形式，实例表明：文中的分析和结论是正确的。

In this paper,based on the theory of power flow and energy distribution be-tween non-conservat ively co upled os cillators under correlated excit at ions, the equations ofenergy balance for the oscillators are derived and statistical energy analysis theory for non-conservatively coupled systems under correlated excitations is developed. The results showthat the input power vector is substited by the equivalent one, the symmetrical statisticalenergy parameter matrix is substited by the non-symmetical statistical energy parameter-matrix, then in according to formula of traditional SEA, one can estimate the responsesdstructures to highfrequency wide-band correlated excitation. At the end of paper, theauthor gives two examples of structures excited by correlated excitation to demonstrate thevalidity of the results given in this paper.