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 2 局部时间步长技术模拟动床溃坝水流的成本和精度
Tab.2 Computational cost and quantitative accuracy for simulating dam-break flow over mobile beds using LTS
L Tr L2z)/10−4 L2(Δzb)/10−5
1(GTS) 1.0 0 0
2 0.53 1.8 2.8
3 0.32 3.5 7.7
4 0.25 2.3 48