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212 Ketter Hall, North Campus, Buffalo, NY 14260 www.civil.buffalo.edu Fax: 716 645 3733 Tel: 716 645 2114 x 2400 Control of Structural Vibrations Lecture #3 Instructor: Andrei M. Reinhorn P.Eng. D.Sc. Professor of Structural Engineering. Response of Structure with Damping Devices.
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212 Ketter Hall, North Campus, Buffalo, NY 14260 www.civil.buffalo.edu Fax: 716 645 3733 Tel: 716 645 2114 x 2400 Control of Structural Vibrations Lecture #3 Instructor: Andrei M. Reinhorn P.Eng. D.Sc. Professor of Structural Engineering
Spectra for Highly Damped Systems • MODIFICATION OF RESPONSE SPECTRA FOR HIGH DAMPING • aMAX = Sa = PSEUDO-ACCELERATION • aMAX = (f1+2f2) Sa ( f1=cos[tan-1(2)] ; f2-=sin[tan-1(2)] )