Figures & data
Figure 1 (a) Positive interface moving in upstream direction, (b) negative interface moving in upstream direction, (c) interface reversal
Figure 2 Sketch of confined air pocket
Figure 3 x–t diagram for a positive interface propagating upstream
Figure 4 x–t diagram for a negative interface propagating upstream
Figure 5 Threshold levels for piezometric head during numerical pressurization
Figure 6 Measured and computed piezometric depths 0.6 m from downstream gate for type A tests of Trajkovic et al. Citation(1999) for different reopenings
Figure 7 Measured and computed velocities 9.9 m from upstream end for tests of Vasconcelos et al. Citation2006
Figure 8 Measured and computed piezometric heads 14.1 m from upstream end for tests of Vasconcelos et al. (Citation2006)
Figure 9 Experimental and simulated gauge pressure heads for H o */H b * = 2.43, λ o = 0.89, y/d = 0.4
Figure 10 Experimental and simulated gauge pressure heads for H o */H b * = 4.57, λ o = 0.8, d o /d = 0.028, y/d = 0
