基于局部分级时间步长方法的水沙耦合数学模拟
胡鹏,韩健健,雷云龙

Coupled modeling of sediment-laden flows based on local-time-step approach
Peng HU,Jian-jian HAN,Yun-long LEI
表 3 局部时间步长技术模拟太平口水道冲淤的成本和精度
Tab.3 Computational cost and quantitative accuracy for simulating fluvial process of Taipingkou waterway using LTS
L Tr L2h L2(Δzb L Tr L2h L2(Δzb
1(GTS) 1.00 0 0 4 0.21 0.18 0.20
2 0.39 0.17 0.19 5 0.12 0.22 0.18
3 0.31 0.17 0.20 6 0.08 0.22 0.19