Vibration Analysis of Inclined Laminated Composite Beams under Moving Distributed Masses

Table 1

Nondimensional fundamental frequencies (𝜔=𝜔𝐿²𝜌/(𝐸_𝐿𝐿ℎ²)) for the AS/3501-6 graphite-epoxy of (θ/−θ/−θ/θ) angle-ply clamped-clamped beams for slender ratio 𝐿/ℎ=15.

Laminate orientation	0°	15°	30°	45°	60°	75°	90°
Analytical [19]	4.8487	4.6635	4.0981	3.1843	2.1984	1.6815	1.62
Kadivar and Mohebpour [7]	4.8712	4.6835	4.1118	3.1908	2.2006	1.6814	1.6207
Present study	4.8763	4.6864	4.1050	3.1622	2.1543	1.664	1.6301