Research Article

Free Vibration Analysis of an Euler Beam of Variable Width on the Winkler Foundation Using Homotopy Perturbation Method

Table 12

Normalized free vibration frequencies of simply supported beam resting on the Winkler foundation with exponentially varying flexural stiffness.

0.000.250.500.751.00

9.92019.89289.81799.74939.7849
39.491139.473639.458439.545639.9202
88.832188.818288.820488.956489.4478
157.9168157.9048157.9164158.0782158.6327
246.7421246.7312246.7485246.9262247.5200