Category Dynamics (behaviour and earthquake)
Publisher  NISEE - University of California, Berkeley 
Platform DOS
Status Public domain
Description WAVES computes the dynamic characteristics and seismic response of horizontally layered soil deposits. The soil site is discretized into a finite element mesh of 1D shear elements. It takes advantage of the tri-diagonal nature of the 1D equilibrium equations by implementing a Gauss elimination solution scheme. The program can compute the mode shapes and vibration periods of the finite element site model and can also conduct linear or iterative, equivalent linear site response analysis using direct step-by-step time domain procedures. Time domain procedures can result in slightly more efficient numerical solutions than similar frequency domain based procedures with the added advantage of being able to perform nonlinear site response analysis using various solution strategies. The input to the program consists of site information (number of layers and layer material properties) and earthquake input information (the user can select from a library of twenty earthquake records). Histories of any layer response quantity (including stress, strain, displacement, velocity or acceleration) can be requested as output. Earthquake response spectra, computed from the analytical acceleration response of any layer, can also be obtained.
Cost Free on WWW
Data formats supported None stated
Supplier in United States of America  NISEE - University of California, Berkeley 

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