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Calculation of response spectra from strong-motion earthquake records

Nigam, Navin C. and Jennings, Paul C. (1969) Calculation of response spectra from strong-motion earthquake records. Bulletin of the Seismological Society of America, 59 (2). pp. 909-922. ISSN 0037-1106. https://resolver.caltech.edu/CaltechAUTHORS:20140801-162108191

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Abstract

A numerical method for computing response spectra from strong-motion earthquake records is developed, based on the exact solution to the governing differential equation. The method gives a three to four-fold saving in computing time compared to a third order Runge-Kutta method of comparable accuracy. An analysis also is made of the errors introduced at various stages in the calculation of spectra so that allowable errors can be prescribed for the numerical integration. Using the proposed method of computing or other methods of comparable accuracy, example calculations show that the errors introduced by the numerical procedures are much less than the errors inherent in the digitization of the acceleration record.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://bssa.geoscienceworld.org/content/59/2/909.abstractPublisherArticle
Additional Information:Copyright © 1969, by the Seismological Society of America. Manuscript received September 12, 1968. Appreciation is extended to the National Science Foundation for partial support of this research under NSF Grant 1197X.
Funders:
Funding AgencyGrant Number
NSF1197X
Issue or Number:2
Record Number:CaltechAUTHORS:20140801-162108191
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140801-162108191
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47855
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:04 Aug 2014 14:49
Last Modified:03 Oct 2019 06:57

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