High-precision finite element analysis of elastoplastic dynamic responses of super-high-rise steel frames / Makoto Ohsaki in Earthquake engineering structural dynamics, Vol. 38 N°5 (Avril 2009)  

Public ISBD [article]  inEarthquake engineering structural dynamics > Vol. 38 N°5 (Avril 2009) . - pp. 635-654 Titre : High-precision finite element analysis of elastoplastic dynamic responses of super-high-rise steel frames Type de document : texte imprimé Auteurs : Makoto Ohsaki, Auteur ; Tomoshi Miyamura, Auteur ; Masayuki Takahashi, Auteur Article en page(s) : pp. 635-654 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Large-scale structure  Dynamic collapse analysis  Finite element E-simulator  Steel frame Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : A new framework is presented for analysis of dynamic collapse behavior of steel frames using large-scale parallel finite element method based on the domain decomposition method. The analysis software is based on ADVC as a part of the E-Simulator that takes advantage of recent development of computer science and high-performance parallel computing in computational mechanics. By making an analysis model with fine meshing, a complicated sequence of local buckling of columns and beams can be simulated. Numerical results are shown for dynamic collapse analysis of single-story and 5-story frame models to show that the global and local behaviors are simultaneously simulated by a high-precision finite element analysis. Eigenvalue analysis is also carried out for a 31-story frame to demonstrate that dynamic analysis can be carried out for a structure discretized to solid elements with more than 70 million DOFs. ISSN : 0098-8847 En ligne : http://www3.interscience.wiley.com/journal/122198910/abstract [article] High-precision finite element analysis of elastoplastic dynamic responses of super-high-rise steel frames [texte imprimé] / Makoto Ohsaki, Auteur ; Tomoshi Miyamura, Auteur ; Masayuki Takahashi, Auteur . - pp. 635-654. Génie Civil Langues : Anglais (eng) in Earthquake engineering structural dynamics > Vol. 38 N°5 (Avril 2009) . - pp. 635-654 Mots-clés : Large-scale structure  Dynamic collapse analysis  Finite element E-simulator  Steel frame Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : A new framework is presented for analysis of dynamic collapse behavior of steel frames using large-scale parallel finite element method based on the domain decomposition method. The analysis software is based on ADVC as a part of the E-Simulator that takes advantage of recent development of computer science and high-performance parallel computing in computational mechanics. By making an analysis model with fine meshing, a complicated sequence of local buckling of columns and beams can be simulated. Numerical results are shown for dynamic collapse analysis of single-story and 5-story frame models to show that the global and local behaviors are simultaneously simulated by a high-precision finite element analysis. Eigenvalue analysis is also carried out for a 31-story frame to demonstrate that dynamic analysis can be carried out for a structure discretized to solid elements with more than 70 million DOFs. ISSN : 0098-8847 En ligne : http://www3.interscience.wiley.com/journal/122198910/abstract

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