BIOTモデルとの比較による因果的履歴減衰モデルの特性検討

概要

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Since it is well known that the internal damping of many materials is comparatively frequency independent, an analysis model that can express such characteristics (called a hysteretic damping model) in the time domain is needed. Many investigations into this subject have been carried out, and it is indicated that the Biot model is the closest model to the causal hysteretic damping model at present. On the other hand, the author proposed a causal hysteretic damping model and confirmed the efficiency of the model in a previous paper. In this paper, the Biot model was formulated using the Prony series or the transform method. The efficiency of the proposed model and the Biot model was studied through the comparison of the characteristics of the impedance, the impulse response and the results of the time history response analyses of example problems.
社団法人日本建築学会の論文
2007-01-30