Research Article

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

Table 4

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

σ = 0.2σ = 0.4σ = 0.6σ = 0.8σ = 1

0201.4930258.3495308.2733354.4699398.2391
0.1290.7035323.4748360.5079398.6258439.7155
0.2344.3648370.9844402.2928438.4120477.5412
0.3383.2343403.6488436.0954471.4010509.4798
0.4413.8560437.6519464.4654497.5642536.9760
0.5439.0786462.7169488.7473522.0381560.9935