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APPROXIMATE DYNAMIC ANALYSIS OF STRUCTURES FOR EARTHQUAKE LOADING USING FWT
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نویسنده
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Heidari A. ,Heidari A. ,Salajegheh E.
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منبع
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international journal of engineering - 2007 - دوره : 20 - شماره : 1 - صفحه:37 -47
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چکیده
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Approximate dynamic analysis of structures is achieved by fast wavelet transform(fwt). the loads are considered as time history earthquake loads. to reduce the computational vork~fwt is used by which the number of points in the earthquake record are reduced. for this purpose,the theory of wavelets together with filter banks are used. the low and high pass filters are used forthe decot11position of earthquake records in the high and lov frequency of the records. the lovfl'equency content is the inost ilnportant part; therefore this part of the record is used for dynan1icanalysis. a number of structures are analysed and the results are colnpared with exact dynamicanalysis and the fast fourier 111ethod (fft).
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کلیدواژه
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Approximate Dynamic Analysis ,Signal Processing. Filter Banks ,Fast Wavelet Transforms
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آدرس
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shahrekord university, Faculty of Engineering, ایران, shahrekord university, Faculty of Engineering, ایران, shahid bahonar university of kerman, Department of Civil Engineering, ایران
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پست الکترونیکی
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eysasala@yahoo
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Authors
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