Finite Difference Solution of Elastic-Plastic Thin Rotating Annular Disk with Exponentially Variable Thickness and Exponentially Variable Density

Figure 1

Radial stress (𝑇_𝑟𝑟) and circumferential stress (𝑇_𝜃𝜃) for annular disk with exponentially variable thickness and exponentially variable density with 𝑛=0.7,0.2,0.5 and 𝑚=0.7,0.1,0.5 under (a) 500 rad/s and (b) 780 rad/s for both approaches.

(a)

(b)