AN IMPROVED CWT-BASED ALGORITHM FOR THE GENERATION OF SPECTRUM-COMPATIBLE RECORDS

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MONTEJO LUIS A.; SUAREZ LUIS E.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING Year:2013 | Volume:5 | Issue:- Page(s): 1-7

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Information Journal Paper

Title

AN IMPROVED CWT-BASED ALGORITHM FOR THE GENERATION OF SPECTRUM-COMPATIBLE RECORDS

Author(s)

MONTEJO LUIS A. | SUAREZ LUIS E. | Issue Writer Certificate

Keywords

WAVELET TRANSFORM

FAST CONVOLUTION

FAST FOURIER TRANSFORM

ARTIFICIAL EARTHQUAKE RECORDS

SEISMIC DESIGN

Abstract

The SEISMIC DESIGN of most civil structures is usually accomplished using the response spectrum approach or simplified equivalent lateral force methods. However, some special tasks require the use of dynamic time history analyses. In the nuclear industry, for example, dynamic analyses are required in the design verification and seismic assessment of critical buildings and in the development of floor response spectra and free-field ground response spectra. The input motion for these analyses requires acceleration time series whose response spectrum matches a target design spectrum. This article revises the continuous WAVELET TRANSFORM (CWT) approach to generate spectrum-compatible records from the modification of acceleration time histories recorded in actual seismic events. The computational efficiency of the algorithm is increased greatly by performing the wavelet decomposition and details reconstruction via FAST CONVOLUTION using FAST FOURIER TRANSFORMs. The new algorithm is evaluated using a typical design spectrum from the nuclear industry and different seed records.

Cites

EXPERIMENTAL AND NUMERICAL EVALUATION OF WAVELET BASED DAMAGE DETECTION METHODOLOGIES

References

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APA: Copy

MONTEJO, LUIS A., & SUAREZ, LUIS E.. (2013). AN IMPROVED CWT-BASED ALGORITHM FOR THE GENERATION OF SPECTRUM-COMPATIBLE RECORDS. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, 5(-), 1-7. SID. https://sid.ir/paper/319752/en

Vancouver: Copy

MONTEJO LUIS A., SUAREZ LUIS E.. AN IMPROVED CWT-BASED ALGORITHM FOR THE GENERATION OF SPECTRUM-COMPATIBLE RECORDS. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING[Internet]. 2013;5(-):1-7. Available from: https://sid.ir/paper/319752/en

IEEE: Copy

LUIS A. MONTEJO, and LUIS E. SUAREZ, “AN IMPROVED CWT-BASED ALGORITHM FOR THE GENERATION OF SPECTRUM-COMPATIBLE RECORDS,” INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, vol. 5, no. -, pp. 1–7, 2013, [Online]. Available: https://sid.ir/paper/319752/en

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