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Geomechanics and Engineering
  Volume 9, Number 2, August 2015, pages 169-193

Dynamic simulation models for seismic behavior of soil systems — Part II: Solution algorithm and numerical applications
Abdurrahman Sahin

    This paper is the second part of the study for determining the seismic behavior of soil systems. The aim of this part is to present solution approaches for determining seismic site amplification. For this purpose, two solution techniques are used. The first technique is equivalent linear analysis which is mostly used in literature. The other technique is real time parameter updating approach and this approach uses the possibilities of Simulink effectively. A graphical user interfaced (GUI) program called DTASSA standing for Discrete-Time Analysis of Seismic Site Amplification is developed. In DTASSA, automatic block diagram producing system is developed and seismic site amplification for multiple soil layers may easily be investigated in real time. Numerical applications have been carried out to check the reliability of developed algorithm. The reults of DTASSA are compared with SUA, EERA and NERA programs for the particular example problems.
Key Words
    seismic site amplification; soil dynamics; digital simulation; Simulink; Matlab
Department of Civil Engineering, Yıldız Technical University, 34220, Istanbul, Turkey.

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