GENERATION OF MULTIPLE SPECTRUM-COMPATIBLE ARTIFICIAL EARTHQUAKE ACCELEGRAMS WITH HARTLEY TRANSFORM AND RBF NEURAL NETWORK

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GHODRATI AMIRI G.; IRAJI K.; NAMIRANIAN P.

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Journal Paper

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Journal: International Journal of Optimization in Civil Engineering Year:2014 | Volume:4 | Issue:1 Page(s): 59-75

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Title

GENERATION OF MULTIPLE SPECTRUM-COMPATIBLE ARTIFICIAL EARTHQUAKE ACCELEGRAMS WITH HARTLEY TRANSFORM AND RBF NEURAL NETWORK

Author(s)

GHODRATI AMIRI G. | IRAJI K. | NAMIRANIAN P. | Issue Writer Certificate

Keywords

HARTLEY TRANSFORM

RBF NEURAL NETWORK

ARTIFICIAL EARTHQUAKE ACCELEROGRAMS

Abstract

The HARTLEY TRANSFORM, a real-valued alternative to the complex Fourier transform, is presented as an efficient tool for the analysis and simulation of earthquake accelerograms. This paper is introduced a novel method based on discrete HARTLEY TRANSFORM (DHT) and radial basis function (RBF) neural network for generation of ARTIFICIAL EARTHQUAKE ACCELEROGRAMS from specific target spectrums. Acceleration time histories of horizontal earthquake ground motion are obtained by the capability of learning of RBF NEURAL NETWORK to expand the knowledge of the inverse mapping from the response spectrum to earthquake accelerogram. In the first step, HARTLEY TRANSFORM is used to decompose earthquake accelerograms, then a RBF NEURAL NETWORK is trained to learn to relate the response spectrum to Hartley spectrum. Finally, the generated accelerogram using inverse discrete HARTLEY TRANSFORM is obtained from target spectrum. Approximately 200 uniformly scaled horizontal ground motion records from recent Iran’s earthquakes are used to decompose with real HARTLEY TRANSFORM and train networks.

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APA: Copy

GHODRATI AMIRI, G., IRAJI, K., & NAMIRANIAN, P.. (2014). GENERATION OF MULTIPLE SPECTRUM-COMPATIBLE ARTIFICIAL EARTHQUAKE ACCELEGRAMS WITH HARTLEY TRANSFORM AND RBF NEURAL NETWORK. INTERNATIONAL JOURNAL OF OPTIMIZATION IN CIVIL ENGINEERING, 4(1), 59-75. SID. https://sid.ir/paper/329440/en

Vancouver: Copy

GHODRATI AMIRI G., IRAJI K., NAMIRANIAN P.. GENERATION OF MULTIPLE SPECTRUM-COMPATIBLE ARTIFICIAL EARTHQUAKE ACCELEGRAMS WITH HARTLEY TRANSFORM AND RBF NEURAL NETWORK. INTERNATIONAL JOURNAL OF OPTIMIZATION IN CIVIL ENGINEERING[Internet]. 2014;4(1):59-75. Available from: https://sid.ir/paper/329440/en

IEEE: Copy

G. GHODRATI AMIRI, K. IRAJI, and P. NAMIRANIAN, “GENERATION OF MULTIPLE SPECTRUM-COMPATIBLE ARTIFICIAL EARTHQUAKE ACCELEGRAMS WITH HARTLEY TRANSFORM AND RBF NEURAL NETWORK,” INTERNATIONAL JOURNAL OF OPTIMIZATION IN CIVIL ENGINEERING, vol. 4, no. 1, pp. 59–75, 2014, [Online]. Available: https://sid.ir/paper/329440/en

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