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Discussion of ‘Modelling viscous damping in nonlinear response history analysis of buildings for earthquake excitation’ by Anil K. Chopra and Frank McKenna

Hall, John F. (2016) Discussion of ‘Modelling viscous damping in nonlinear response history analysis of buildings for earthquake excitation’ by Anil K. Chopra and Frank McKenna. Earthquake Engineering and Structural Dynamics, 45 (13). pp. 2229-2233. ISSN 0098-8847. http://resolver.caltech.edu/CaltechAUTHORS:20161111-101200256

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Abstract

This discussion deals with recommendations in the paper on appropriate damping formulations for use in nonlinear response history analysis of buildings. Concern over potentially excessive damping forces and moments should extend beyond the damping moments produced by the stiffness proportional part of Rayleigh damping that corresponds to rotational springs used to explicitly model plastic hinges. The key to an appropriate damping formulation for nonlinear analysis is a realistic mechanism that allows all damping forces and moments to be meaningfully assessed. Then features can be added to keep these forces and moments within reasonable bounds.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1002/eqe.2761 DOIArticle
http://onlinelibrary.wiley.com/doi/10.1002/eqe.2761/abstractPublisherArticle
Additional Information:© 2016 John Wiley & Sons, Ltd. Issue online: 13 September 2016; Version of record online: 25 May 2016; Manuscript Accepted: 24 April 2016; Manuscript Revised: 22 April 2016; Manuscript Received: 19 January 2016.
Subject Keywords:buildings; earthquake engineering; damping models; nonlinear response history analysis
Record Number:CaltechAUTHORS:20161111-101200256
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20161111-101200256
Official Citation:Hall, J. F. (2016) Discussion of ‘Modelling viscous damping in nonlinear response history analysis of buildings for earthquake excitation’ by Anil K. Chopra and Frank McKenna. Earthquake Engng Struct. Dyn., 45: 2229–2233. doi: 10.1002/eqe.2761
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71934
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:16 Nov 2016 00:28
Last Modified:16 Nov 2016 00:28

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