Research Article

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

Table 3

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

σ = 0.2σ = 0.4σ = 0.6σ = 0.8σ = 1

0288.7726373.2199446.1622513.1162576.2055
0.1336.2508409.5044476.5109539.6059601.8750
0.2375.2434440.5979503.3052565.2639626.6544
0.3407.0560466.9272526.4565587.5596648.3361
0.4433.6116489.6077546.7068605.8255667.4872
0.5456.2062509.3690564.5955623.3322684.5385