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RANDOM VIBRATION METHOD
COMPARISON OF RANDOM VIBRATION
ANALYSIS OF THE RESPONSE SPECTRUM METHOD
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acceleration average velocity spectra calculate COMPARISON critical damping damping was assumed decoupled response derived effect of decoupling en(t ENVELOPE FUNCTION error evaluated expressions freedom system fundamental period Gungor 12 HISTORY AND RANDOM I.OI influence of nonstationarity integrals Iterated response spectrum Kassawara 16 l.ll l.ll l.OI mass ratio mmjj modal responses multi-degree of freedom natural frequencies nonstationarity due nonstationary pj sm primary and secondary primary mass primary period primary structures primary system probability of exceedance random process r(t random vibration approach random vibration method RANDOM VIBRATION SOLUTIONS—STRUCTURE resonance response of light response spectrum method results obtained secondary frequencies secondary mass secondary system damping Seismic Analysis shear beam systems shown in Fig SOLUTIONS—STRUCTURE OF FIG spectral density spring distortions square root strong-motion earthquakes STRUCTURE OF FIG system of Fig system shown systems considered time-history analysis time-history solutions torsional two-degree of freedom values variances white noise zero initial conditions