图 1自然坐标系下的二次单元

Figure 1.A quadratic element in natural coordinate system

图 2压缩和剪切组合作用下的金属薄层

Figure 2.Thin metallic layer under combined compressive and shear loads

图 3压缩−剪切组合作用下归一化的切应力−位移关系

Figure 3.Normalized shear stress-displacement relation under combined compression and shear

图 4${{{u_1}} \mathord{\left/ {\vphantom {{{u_1}} H}} \right. } H} = 0.02$时塑性切应变$ {\gamma _{\text{P}}} $的分布云图

Figure 4.Contours of the plastic shear strain $ {\gamma _{\text{P}}} $ at ${{{u_1}} \mathord{\left/ {\vphantom {{{u_1}} H}} \right. } H} = 0.02$

图 5SGP理论预测结果与受限薄层剪切实验结果^[11]的比较

Figure 5.Comparison between SGP predictions and experimental results of shear deformation of confined layer^[11]

图 6周期矩形边界条件

Figure 6.Periodic rectangular boundary condition

图 7不同周期下归一化切应力与位移的变化关系

Figure 7.Normalized shear stress-displacement relation under different periods

图 8${{{u_1}} \mathord{\left/ {\vphantom {{{u_1}} H}} \right. } H} = 0.02$时不同周期下塑性切应变$ {\gamma _{\text{P}}} $分布云图

Figure 8.Contours of the plastic shear strain $ {\gamma _{\text{P}}} $ at ${{{u_1}} \mathord{\left/ {\vphantom {{{u_1}} H}} \right. } H} = 0.02$ under different periods

图 9${{{u_1}} \mathord{\left/ {\vphantom {{{u_1}} H}} \right. } H} = 0.02$时不同周期下储能高阶应力$\tau _{122}^{\text{E}}$分布云图

Figure 9.Contours of the higher-order stress $\tau _{122}^{\text{E}}$ at ${{{u_1}} \mathord{\left/ {\vphantom {{{u_1}} H}} \right. } H} = 0.02$ under different periods

图 10周期正弦边界条件

Figure 10.Periodic sinusoidal boundary condition

图 11不同边界条件下归一化的切应力−位移关系

Figure 11.Normalized shear stress-displacement relation under different boundary conditions

图 12${{{u_1}} \mathord{\left/ {\vphantom {{{u_1}} H}} \right. } H} = 0.02$时的塑性切应变$ {\gamma _{\text{P}}} $分布云图

Figure 12.Contours of the plastic shear strain $ {\gamma _{\text{P}}} $ at ${{{u_1}} \mathord{\left/ {\vphantom {{{u_1}} H}} \right. } H} = 0.02$

图 13SGP理论预测结果与受限剪切实验结果^[11]的比较

Figure 13.Comparison between SGP predictions and experimental results of confined shear^[11]