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Three‐Dimensional Nonlinear Dynamic Analysis of Complex High‐Rise Building Structures
Author(s) -
Saitoh Yasuo,
Horii Masahiro,
Teramoto Takayuki
Publication year - 1992
Publication title -
computer‐aided civil and infrastructure engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.773
H-Index - 82
eISSN - 1467-8667
pISSN - 1093-9687
DOI - 10.1111/j.1467-8667.1992.tb00416.x
Subject(s) - nonlinear system , structural engineering , trace (psycholinguistics) , bending moment , structural system , bending , response analysis , computer science , system dynamics , engineering , physics , artificial intelligence , philosophy , linguistics , quantum mechanics
Recently, designs of high‐rise buildings have become more complex. Various types of buildings result, such as buildings with a semicircular plan, and buildings in which the upper floors are larger than the lower floors. The authors have developed a three‐dimensional (3‐D) dynamic analysis system, ‘Super DYNAMICS’, which considers the nonlinear behavior of each structural member in order to analyze the structural behavior of such complex steel buildings under severe earthquakes. This system is mainly operated on a supercomputer because of the large number of calculations required for the member level dynamic analysis. This paper first describes the general concepts of the system and the 3‐D dynamic response analysis methods, based on the nonlinear behavior of each member under axial force and biaxial bending moments, and then examines and demonstrates the precision of the yield surface of steel members created by multispring models, and the ability of the system to trace the behavior of members and frames after yielding. It shows, in addition, actual examples of a static and a dynamic analysis by three‐direction ground motion applied to a 19‐story steel‐framed office building.