SOLID MECHANICS DYNAMICS TUTORIAL – FORCED VIBRATIONS
FIXED ENDS (e.g. fixed bearings or chucks) The lowest critical speed is wL4 gEI f =3.562 and the higher critical speeds are given by 4 2 wL gEI 2 1 n 2 π f ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ = + where n = 2, 3, .. .... Note that the lowest speed almost corresponds to n = 1 Figu...