功能梯度材料动力学问题的POD模型降阶分析 N

郑保敬, 梁钰, 高效伟, 朱强华, 吴泽艳

ANALYSIS FOR DYNAMIC RESPONSE OF FUNCTIONALLY GRADED MATERIALS USING POD BASED REDUCED ORDER MODEL N

Zheng Baojing, Liang Yu, Gao Xiaowei, Zhu Qianghua, Wu Zeyan

表1 两种动态载荷下位移场的计算时间

Table 1 Computational time of displacement field under two dynamic loads

4*Method Reduce order method 3* FEM full order model Untruncated Truncated 100 POD basis 40 POD basis t/s t/s E=2×1011s sine load 2.53 2.35 122.40 linear load 2.63 2.46 124.19