CHENG Yong-guang, SUO Li-sheng. 2-D open channel flow simulations by the lattice Boltzmann model[J]. Advances in Water Science, 2003, 14(1): 9-14.
Citation: CHENG Yong-guang, SUO Li-sheng. 2-D open channel flow simulations by the lattice Boltzmann model[J]. Advances in Water Science, 2003, 14(1): 9-14.

2-D open channel flow simulations by the lattice Boltzmann model

  • A special lattice Boltzmann rmdel for simulating 2-D unsteady open channel flows is built by combining the Chapman-Enskog-Expansion derived multi-scale equations that approximate the form of shallow water equations.To verify the model typical 1-D and 2-D dam breaks are simulated,and the results show agreement with analytical method and other models.As an actual example,the unsteady flows in the tailrace channel of a hydropower plant are calculated.
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