Research Article

Flexural Free Vibrations of Multistep Nonuniform Beams

Table 1

Calculation results of natural frequencies for Case 1.

Beam typeOne-step beam with small value of βOne-step uniform beam with height 0.249 mRelative error (%)

1st (rad/s)4.06804.0499−0.4451
2nd (rad/s)25.450725.3805−0.2755
3rd (rad/s)71.227371.0663−0.2261