Research Article

Free Vibration Analysis of a Rotating Composite Shaft Using the 𝑝 -Version of the Finite Element Method

Table 1

Properties of composite materials [22].

Boron-epoxyGraphite-epoxy

(GPa) 211.0 139.0
(GPa)24.1 11.0
(GPa)6.9 6.05
(GPa)6.9 3.78
0.36 0.313
(kg/ )1967.01578.0