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

Ding, Z; Shi, JL; Huang, QW; Kong, JY; Liao, WH

Ding, Z (corresponding author), Wuhan Univ Sci & Technol, Sch Machinery & Automat, Minist Educ, Key Lab Met Equipment & Control Technol, Wuhan 430081, Peoples R China.; Ding, Z; Liao, WH (corresponding author), Chinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China.; Ding, Z (corresponding author), Wuhan Univ Sci & Technol, Sch Machinery & Automat, Hubei Key Lab Mech Transmiss & Mfg Engn, Wuhan 430081, Peoples R China.

MECHANICAL SYSTEMS AND SIGNAL PROCESSING, 2021; 161 ():

Abstract

Calculating the first and second derivatives of Power Spectrum Density (PSD) function with respect to various design variables is a prerequisite for r......

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