图  1  模型剖切示意图（左）与俯视示意图（右）

Figure  1.  Schematic diagram of the model: profile (left); top view (right)

图  2  幂函数时数值解和解析解的比较（$\alpha = \delta = {\beta _1} = {\beta _2}$）

Figure  2.  A comparison of the exact and numerical results of the power law function （$\alpha = \delta = {\beta _1} = {\beta _2}$）

图  3  Voigt函数时本文解和有限元解的比较（$\alpha = \delta = {\beta _1} = {\beta _2}$）

Figure  3.  A comparison of the present method results and the FEM solutions for the Voigt model （$\alpha = \delta = {\beta _1} = {\beta _2}$）

图  4  厚度梯度参数δ对应力场和位移场的影响

Figure  4.  The effects of δ on the stress and radial displacement components

图  5  弹性模量梯度参数β₁对应力场和位移场的影响

Figure  5.  The effects of β₁ on the stress and radial displacement components

图  6  密度梯度参数β₂对应力场和位移场的影响

Figure  6.  The effects of β₂ on the stress and radial displacement components

图  7  各向异性度参数λ对应力场和位移场的影响

Figure  7.  The effects of λ on the stress and radial displacement components