Volume 12, Issue 1 And B (Transaction B: Geotechnical Engineering, January 2014)
IJCE 2014, 12(1 And B): 26-44 |
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Afzalirad M, Kamalian M, Jafari M K, Sohrabi-bidar A. Seismic behavior of topographic features with material damping using BEM in time domain. IJCE 2014; 12 (1) :26-44
URL: http://ijce.iust.ac.ir/article-1-669-en.html
URL: http://ijce.iust.ac.ir/article-1-669-en.html
Abstract: (12376 Views)
In this paper, an advanced formulation of time-domain, two-dimensional Boundary Element Method (BEM) with material damping is presented. Full space two-dimensional visco-elastodynamic time-convoluted kernels are proposed in order to incorporate proportional damping. This approach is applied to carry out site response analysis of viscoelastic topographic structures subjected to SV and P incident waves. Seismic responses of horizontally layered site, semi-circular canyons, slope topography and ridge sections subjected to these incident waves are analyzed in order to demonstrate the accuracy of the kernels and the applicability of the presented viscoelastic boundary element algorithm. The results show an excellent agreement with recent published results obtained in frequency domain. Also, the effects of different material damping ratios on site response are investigated.
Type of Study: Research Paper |
Subject:
Seismic Geotechnique
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