Optimization-based record selection approach to incremental dynamic analysis and estimation of fragility curves

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KAVEH A.; JAVADI S.M.; Mahdipour Moghanni R.

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Journal Paper

Paper Information

Journal: Scientia Iranica Year:2021 | Volume:28 | Issue:2 (Transactions A: Civil Engineering) Page(s): 700-708

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Title

Optimization-based record selection approach to incremental dynamic analysis and estimation of fragility curves

Author(s)

KAVEH A. | JAVADI S.M. | Mahdipour Moghanni R. | Issue Writer Certificate

Keywords

Seismic performance of structures

Incremental dynamic analysis

Ground motion record

Optimization

Fragility curves

Abstract

In order to assess the Seismic performance of structures, it is required to conduct Incremental dynamic analysis and obtain Fragility curves. Producing these curves is time consuming since it requires performing numerous nonlinear dynamic analyses; therefore, it is of signi cance to select appropriate earthquake Ground motion records which yield reliable responses with su cient accuracy. Due to the lack of a solid framework, selection of an appropriate Ground motion record set is still a challenging problem. The main objective of this paper was to select a suitable set of records from a general set of records in order to reliably predict limit-state capacity of structures. To this end, Incremental dynamic analysis was conducted for an equivalent single degree of freedom under a general set of records, and an Optimization algorithm was employed to solve the problem by minimizing the error between the mean Incremental dynamic analysis curves for each selected subset and mean Incremental dynamic analysis curve for a general set of records. The Fragility curves obtained by all records were compared with those of the selected ones, the results of which showed that the Fragility curves corresponding to the selected records could appropriately estimate the target Fragility curves.

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APA: Copy

KAVEH, A., JAVADI, S.M., & Mahdipour Moghanni, R.. (2021). Optimization-based record selection approach to incremental dynamic analysis and estimation of fragility curves. SCIENTIA IRANICA, 28(2 (Transactions A: Civil Engineering)), 700-708. SID. https://sid.ir/paper/974038/en

Vancouver: Copy

KAVEH A., JAVADI S.M., Mahdipour Moghanni R.. Optimization-based record selection approach to incremental dynamic analysis and estimation of fragility curves. SCIENTIA IRANICA[Internet]. 2021;28(2 (Transactions A: Civil Engineering)):700-708. Available from: https://sid.ir/paper/974038/en

IEEE: Copy

A. KAVEH, S.M. JAVADI, and R. Mahdipour Moghanni, “Optimization-based record selection approach to incremental dynamic analysis and estimation of fragility curves,” SCIENTIA IRANICA, vol. 28, no. 2 (Transactions A: Civil Engineering), pp. 700–708, 2021, [Online]. Available: https://sid.ir/paper/974038/en

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