Technical Manual for Strata, PEER Report 2008-10


The computer program Strata performs equivalent-linear site response analysis in the frequency domain using time domain input motions or random vibration theory (RVT) methods, and allows for randomization of the site properties. The following document explains the technical details of the program, and provides a user's guide.

Strata is distributed under the GNU Genera l Public License, which can be found at

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Albert R. Kottke
Ellen M. Rathje
Publication date: 
December 1, 2008
Publication type: 
Technical Report
Kottke, A. R., & Rathje, E. M. (2008). Technical Manual for Strata, PEER Report 2008-10. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA.