衝突を伴う片持ちはりにおけるカオス振動の数値解析(J15-2,J15 連続体に関する解析と設計の融合化)

概要

論文の詳細を見る
In this research, chaotic vibration of a cantilever beam with impact is analyzed numerically. Time response of the beam was computed by the finite element method. Frequency regions of chaotic response were obtained by frequency response curves and the maximum Lyapnov exponents. Two chaotic regions exist among the domain of impact vibration. In the lower frequency region of the chaos, one collision is observed in two periods of excitation, while one collision occurs in an excitation in the higher region. Effects of the excitation frequency on the mode contribution to the chaos are clarified, by the principal component analysis. Numerical results agree well with the experimental ones, which verifies numerical method in this research.
社団法人日本機械学会の論文
2004-09-04