Introducing an effective coherence function to generate non-uniform ground motion on topographic site using time-domain boundary element method |
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| Institution: | Faculty of Civil Engineering, University of Tabriz, Tabriz, East Azerbaijan Province, Iran;Faculty of Civil Engineering, University of Tabriz, Tabriz, East Azerbaijan Province, Iran |
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| Abstract: | In this study, a comprehensive parametric analysis was performed on non-uniform excitation of V-shaped topography using the boundary element method in time domain. For this purpose, wave scattering analysis was carried out on a topography subjected to the SV-wave for different predominant frequencies and shape ratios. Based on the numerical results, new coherence and time delay functions are proposed to generate non-uniform ground motion for topographic irregularities. The efficiency and accuracy of the proposed functions for real engineering problems are indicated by comparison with observations reported in previous literature. |
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