Wavelet Transform Theory The wavelet transform is a powerful mathematical tool for describing the signal’s local features. It is found that the characteristics of elastic and inelastic structural response depend strongly on the time variation of the frequency content in the seismic input.Immediate online access to all issues from 2019. Beck JL, Papadimitriou C (1993) Moving Resonance in nonlinear response to fully nonstationary stochastic ground motion. Tadao M, Yutaka O (1988) Elastic-plastic response spectra for different hysteretic rules. Studies have shown that the frequency content of radiated seismic energy in the first seconds of earthquakes scales with magnitude, implying determinism. Department of Civil and Environmental Engineering, Report N°63, Stanford UniversityVentsel H (1973) Théorie des Probabilités. The S. H. Crandall Festschrift, pp 211–240Naga P, Eatherton MR (2013) Analysing the effect of moving resonance on seismic response of structures using wavelet transforms. Earthq Eng Struct Dyn 31(4):993–1005.
Traductions Française Editions MIR, MoscouWang L, McCullough M, Kareem A (2014) Modelling and simulation of nonstationary processes utilizing wavelet and hilbert transforms. frequency content of the incoming earthquake signal is used. <>
Immediate online access to all issues from 2019.
Earthq Eng Struct Dyn. %PDF-1.5
Earthquake ground acceleration records exhibit nonstationarity in both amplitude and frequency content.
Earthq Eng Struct Dyn 43(5):759–768Papadimitriou K, Beck JL (1992) Stochastic characterization of ground motion and applications to structural response. Earthquake forecasting is concerned with the probabilistic assessment of general earthquake hazard, including the frequency and magnitude of damaging earthquakes in a given area over years or decades. J Eng Mech 140:345–360This work was carried out between the National Earthquake Engineering Research Center (CGS) and the National Polytechnic School (ENP).National Earthquake Engineering Research Center, C.G.S., Rue Kaddour RAHIM, Hussein Dey, BP 252, Algiers, AlgeriaHassan Aknouche, Abdelhalim Airouche & Hakim BechtoulaYou can also search for this author in Report N°.SSRP-15/047, University of California, San DiegoLi Y, Conte JP, Barbato M (2016) Influence of time-varying frequency content in earthquake ground motions on seismic response of linear elastic systems.
Three hysteretic models have been considered, elasto-plastic model (bilinear), Clough’s stiffness degrading model and maximum point-oriented bilinear model. Earthq Eng Struct Dyn 16:555–568Tiliouine B, Azevado J, Chah HA (1984) Computer program for nonstationary analysis and simulation of strong earthquake records. endobj
& Bechtoula, H. Influence of Earthquake Frequency Nonstationarity on Seismic Structural Response. 4 0 obj
Li Y, Conte JP, Barbato M (2015) Closed form solutions for the stochastic response of linear elastic systems to earthquake ground motion models with and without frequency nonstationarity. Subscription will auto renew annually.Aknouche H (1999) Identification et analyse des Effets de la nonstationnarité des mouvements sismiques forts sur la réponse des structures. Soil Dyn Earthq Eng 29:292–299Clough RW, Penzien J (1975) Dynamics of structures. fě�3ڀ
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