Analytical description of pinching, degrading, and sliding in a bilinear hysteretic system / Mehran Zeynalian in Journal of engineering mechanics, Vol. 138 N° 11 (Novembre 2012)  

Public ISBD [article]  inJournal of engineering mechanics > Vol. 138 N° 11 (Novembre 2012) . - pp.1381–1387. Titre : Analytical description of pinching, degrading, and sliding in a bilinear hysteretic system Type de document : texte imprimé Auteurs : Mehran Zeynalian, Auteur ; H. R. Ronagh, Auteur ; P. Dux, Auteur Année de publication : 2013 Article en page(s) : pp.1381–1387. Note générale : Mécanique appliquée Langues : Anglais (eng) Mots-clés : Hysteretic behavior Analytical model cycles Sliding Slackness Résumé : A differential model is presented to show the behavior of general hysteretic systems considering all relevant structural characteristics, including pinching, stiffness degradation, load deterioration, and sliding. This model is generated based on Mostaghel’s model, which already includes all of these characteristics except sliding. Thus, an attempt is made to develop the model to also cover sliding. A single-degree-of-freedom system is used to develop the hysteretic model by writing a system of ordinary differential equations. The proposed model captures the key features of the hysteretic cycles of any structure using some measurable system parameters through tests. A few examples of bilinear systems excited by harmonic loads are provided to show that the descriptions of the force-displacement performance of general hysteretic systems are realistic. ISSN : 0733-9399 En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29EM.1943-7889.0000442 [article] Analytical description of pinching, degrading, and sliding in a bilinear hysteretic system [texte imprimé] / Mehran Zeynalian, Auteur ; H. R. Ronagh, Auteur ; P. Dux, Auteur . - 2013 . - pp.1381–1387. Mécanique appliquée Langues : Anglais (eng) in Journal of engineering mechanics > Vol. 138 N° 11 (Novembre 2012) . - pp.1381–1387. Mots-clés : Hysteretic behavior Analytical model cycles Sliding Slackness Résumé : A differential model is presented to show the behavior of general hysteretic systems considering all relevant structural characteristics, including pinching, stiffness degradation, load deterioration, and sliding. This model is generated based on Mostaghel’s model, which already includes all of these characteristics except sliding. Thus, an attempt is made to develop the model to also cover sliding. A single-degree-of-freedom system is used to develop the hysteretic model by writing a system of ordinary differential equations. The proposed model captures the key features of the hysteretic cycles of any structure using some measurable system parameters through tests. A few examples of bilinear systems excited by harmonic loads are provided to show that the descriptions of the force-displacement performance of general hysteretic systems are realistic. ISSN : 0733-9399 En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29EM.1943-7889.0000442

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