图 7. 时间步长$\Delta \tau =2.5\times 10^{-4}$下利用不同算法计算得到的板中心处$z$方向的响应标称值
Fig. 7. The nominal value of the response of the center of the plate in $z$-direction obtained by different algorithms with time step $\Delta \tau =2.5\times 10^{-4}$