Research Article

Dynamic Analysis of a Tapered Composite Thin-Walled Rotating Shaft Embedded with SMA Wires Using the Generalized Differential Quadrature Method

Table 5

The critical rotating speed corresponding to the different SMA wires fractions and taper ratio for C-F boundary condition ().

σ = 0.2σ = 0.4σ = 0.6σ = 0.8σ = 1

0111.6599102.072496.877693.507790.9933
0.190.304883.396879.529476.974973.9555
0.280.561771.710467.272963.645160.0068
0.375.629564.111058.484653.735849.3613
0.468.533358.945851.987346.654141.0534
0.564.906555.319047.075140.672434.4605