動的応答計算における外力項を考慮した一般化座標 : 第2報,部分構造モード合成法への適用

概要

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In dynamic response analysis by component mode synthesis, we present the calculation method which always gives accurate value about not only nodal point displacement but also element stress. We consider that Craig-Bampton's method is excellent in free vibration analysis. But, when their method is applied to forced response analysis, there are instances where we can not bet correct stress value. We present new generalized coordinates that are shown in Fig.7(b). In this method g^N_h is zero, and generalized coordinates are orthonormalized about stiffness matrix. These generalized coordinates give fully satisfactory result (in Table 3, compare D with E, where A is exact).
一般社団法人日本機械学会の論文
1985-11-25