Optimization of Endurance Time Acceleration Function using Fourier and Wavelet Transform and Optimization Algorithms

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Arabzadeh, Behrooz | 2016

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 49965 (09)
University: Sharif University of Technology
Department: Civil Engineering
Advisor(s): Esmaeil Purestekanchi, Homayoon
Abstract:
So far, several studies have been conducted on the endurance time method. In general, these studies can be categorized into two categories. The first group of studies are based on the theoretical foundations of this methodology and the second group of researches that use the method of endurance time in different engineering issues of earthquake and engineering, and also compare the results of this method with other conventional methods of seismic analysis.The purpose of this study, which is more in the first category of research, is to optimize the acceleration functions using various Transform, such as Fourier and Wavelet, as well as the use of various optimization algorithms. In optimizing these functions, they will target a variety of targets, such as acceleration spectrum, speed spectrum, displacement spectrum, breakdown and damage spectrum.In this study, by choosing different objective functions and also using different transform functions and moving them, we try to optimize the acceleration time functions of the previous one, so that they can be used in analyzes with different goals and methods
Keywords:
Earthquake Engineering ; Endurance Time Method ; Wavelet Transform ; Fourier Transform ; Optimization Algorithms

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