Sensitivity and Hessian matrix analysis of power spectrum density function for non-classically damped systems subject to stationary stochastic excitations

•The first and second derivatives for PSD function subject to stochastic excitations are derived.•The proposed methods are applicable to non-classically damped systems.•The highly efficient Pseudo-Excitation-Method (PEM) is adopted.•Two correction methods are developed without the need to calculate...

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Vydané v:	Mechanical systems and signal processing Ročník 161; s. 107895
Hlavní autori:	Ding, Zhe, Shi, Junlei, Huang, Qianwen, Kong, Jianyi, Liao, Wei-Hsin
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Elsevier Ltd 01.12.2021
Predmet:	Hessian matrix Non-classically damped Power spectrum density Sensitivity analysis Stationary stochastic excitation Stationary stochastic excitation Sensitivity analysis Power spectrum density Non-classically damped Hessian matrix
ISSN:	0888-3270, 1096-1216
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