Brief history of computation of earthquake response spectra |
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Authors: | M.D. Trifunac |
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Affiliation: | aUniversity of Southern California, Civil Engineering Department, Los Angeles, CA 90089-2531, USA |
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Abstract: | The methods for computation of response spectrum amplitudes are reviewed for the period preceding the modern digital computer age. The mechanical and electrical analog methods that preceded the modern digital calculations were time consuming, inaccurate, and difficult to verify. Modern studies of response and of the nature of strong ground motion became possible after mid-1960 with accumulation of strong-motion records and with accurate digitization and digital data processing. |
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