Keywords: Modal damping ratios
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Journal Articles
Engineering Computations (2017) 34 (3): 682–708.
Published: 02 May 2017
.... This paper aims to present a constrained quadratic programming approach to address these issues. Design/methodology/approach The new method minimizes the error of the structural displacement peak based on the response spectrum theory, while all modal damping ratios are constrained to be greater than zero...

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