The natural frequency formulas used for calculations are given below the calculator. … Fixed Fixed Beam Natural Frequency Formula: ParameterEquationFirst natural frequency of fixed beam with uniform load w per unit length plus a center load M (approximately) [f1]f1=13.862π√EIgMl3+0.383wl4Natural Frequency of a Uniform Beam with Fixed Ends – Amesweb amesweb.info › Vibration › Natural-Frequency-Uniform-Beam-Both-Ends-…