clear; close all; clc; E = 206e9; d = 0.1; I = pi/64*d^4; m = 30; l = 2; a = l/2; b = l/2; k = 6*E*I*l/(a*b*(l^2-a^2-b^2)); nc = 60/(2*pi)*sqrt(k/m); fprintf('危険速度: %.0f [rpm]\n',nc);
実行結果
危険速度: 4294 [rpm]
clear; close all; clc; E = 206e9; d = 0.1; I = pi/64*d^4; m = 30; l = 2; a = l/2; b = l/2; k = 6*E*I*l/(a*b*(l^2-a^2-b^2)); nc = 60/(2*pi)*sqrt(k/m); fprintf('危険速度: %.0f [rpm]\n',nc);
実行結果
危険速度: 4294 [rpm]