A Program for Nonlinear Response Spectra

Developed in the University at Buffalo, NSPECTRA is a computer program for obtaining the response spectra of nonlinear systems. The program can perform the analysis for a collection of ground motions (maximum 200 ground motions) returning the response spectra for each ground motion and the average and standard deviation response spectra of the collection. The program can also perform and print out the time response for a particular pendulum in the spectrum.

The purpose of this web site is to keep you up to date on the latest enhancements, as well as to help you resolve any problems you may encounter while using NSPECTRA. If you are not familiar with the program's capabilities feel free to download it.

For additional information regarding to NSPECTRA program  you may contact:

The creators of the NSPECTRA program are:

Andrei M. Reinhorn	University at Buffalo
Raul Barron	University of Zacatecas
R.E. Valles	Consultant, Mexico
M.V Sivaselvan	University of Colorado
H. Roh	University at Buffalo

Page Designed by: Dinesh Agrawal
State University of NY at Buffalo
Buffalo, NY 14260
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