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9-3Šª
”NF
1994”N
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E.169-E.174•Å
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PROCEEDINGS OF THE JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM
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Carlos ZAVALA, Kenichi OHI, Koichi TAKANASHI
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SUBSTRUCTURING HYBRID SIMUIATION ON EARTHQUAKE RESPONSES OF 2D FRAMES
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The removal of the unbalance forces related with the non-mass degree of freedom, generated between steps of integration on flexible frames, is presented for the sub-structuring hybrid scheme. Four different predictors of the specimen response, Elastic model, two-component Bili near model, Multi-Spring model, and Neural Network model, are evaluated in order to eliminate and reduce the unbalance forces under constant axial load. A controlled variation of the moment gradient are considered for the first time in this kind of simulation. Box-shaped sections 100 x 100 x 6 are considered as test specimen for the special conditions of the test setup and the required transformations are presented.
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