サブストラクチャ・オンライン応答実験法に適用する初期応力法に基づく陰な積分法

概要

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An implicit integration scheme, which is based on the initial stress method and is applicable to the Substructure On-line Test (SOT), is proposed in this paper, and numerical algorithm for SOT is built up according to the scheme. Energy effect of unbalance force, which is induced due to a limited number of iteration and is referred to as the residual error, on stability and accuracy of the scheme is rigorously investigated. Numerical experiments, in which restoring force for experimental subassemblage is simulated by the fiber method, on single degree of freedom system, two degrees of freedom system and multi degrees of freedom system of frame model, are conducted, and validities and issues of the algorithm formulated on the basis of the proposed scheme are discussed.
社団法人日本建築学会の論文
1995-07-30