Economic Losses Research of Seismic Damage Based on Grey Correlation and Genetic Neural Network

Xian Zhang Li; Zhi Tao Wang; Xiao Dong Guo

doi:10.4028/www.scientific.net/AMM.166-169.2054

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 166-169Economic Losses Research of Seismic Damage Based...

Economic Losses Research of Seismic Damage Based on Grey Correlation and Genetic Neural Network

Abstract:

In order to estimate the urban economic losses after earthquakes, builds the prediction model based on grey relation and genetic neural network. According to the grey correlation analysis, screens out the major factor effecting the earthquake losses as input vectors of neural network first, adopts genetic algorithm to optimize the initial weights and bias of BP network and then, solves the problem that the traditional neural network has slow convergence velocity and can not easy to get the global optimum. According to the example, we can get the model that has good forecast accuracy and convergence rate and checks the rationality and effectiveness at last.

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Periodical:

Applied Mechanics and Materials (Volumes 166-169)

Pages:

2054-2059

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.166-169.2054

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Online since:

May 2012

Authors:

Xian Zhang Li, Zhi Tao Wang, Xiao Dong Guo

Keywords:

Earthquake Disaster, Economic Loss, Genetic Neural Network, Grey Correlation, Prediction

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