Analysis of Tapered Timoshenko and Euler–Bernoulli Beams on an Elastic Foundation with Moving Loads

Table 6

First 3 natural frequencies for beam (2).

λ	Current (EB.)	Leszek [13] (EB.)	Current (Tim.)	Leszek [13] (Tim.)
λ1	442.017	441.8	443.30	440.8
λ2	1767.44	1767.2	1567.15	1752.2
λ3	3978.22	3978.2	2781.12	3901.2