普遍的方法による回転機危険速度通過時非定常最大値の定式化 : 第1報,多変量多項式による近似

概要

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A computerized method for systematically formulating nonstationary values such as maximum displacement, critical speed and maximum dynamic load torque, generated when a rotor passes its critical speed is described in this paper. The multivariate polynomial and the least square method are used in this method's formulations. The practical approximate formulae are introduced for a basic rotor model with 3 parameters. Quadratic curves on both or half-sided logarithmic coordinates are used for the approximation formulae. The effective performance of this method in systematically obtaining the highly accurate approximation formula is demonstrated in this paper.
1989-07-25