計算力学

[I-44] A Study on Reliability Evaluation of Eigenvalue Analysis Results by Subspace Method

*Ryouji Tokuhashi¹, Tsutomu Yoshizawa¹, Kimitoshi Sakai², Keigo Tsukioka², Daiki Yamashita², Yoshiya Sakamoto³, Masahiro Nishitani³, Yasuaki Kaneda³ (1. Nippon Engineering Consultants, 2. Railway Technical Reseach Institute, 3. Honshu-Shikoku BridgeExpressway Co., Ltd.)

Keywords:Eigenvalue analysis, Suspension bridge, Natural frequency, Error of Numerical analysis, Subspace method