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http://dx.doi.org/10.5000/EESK.2007.11.2.001

Incorporating Genetic Algorithms into the Generation of Artificial Accelerations  

Park, Hyung-Ghee (인천대학교 토목환경시스템공학과)
Chung, Hyun-Kyo (인천대학교 대학원 토목환경시스템공학과)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.11, no.2, 2007 , pp. 1-9 More about this Journal
Abstract
The method of generating the artificial acceleration time histories for seismic analysis based on genetic algorithms is presented. For applying to the genetic algorithms, the frequencies are selected as the decision variables eventually to be genes. An arithmetic average crossover operator and an arithmetic ratio mutation operator are suggested in this study. These operators as well as the typical simple crossover operator are utilized in generating the artificial acceleration time histories corresponding to the specified design response spectrum. Also these generated artificial time histories are checked whether their outward features are to be coincident with the recorded earthquake motion or not. The features include envelope shape, correlation condition between 2 horizontal components of motion, and the relationship of max. acceleration, max. velocity and max. displacement of ground.
Keywords
artificial time history; genetic algorithms; decision variable; genetic operator;
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