Fig. 5From: A numerical shallow-water model for gravity currents for a wide range of density differencesAnalytical solutions for the AB model during the slumping stage. a Front velocity u N (red curve) and shock speed S (blue curve), as functions of ε. b Relationship between ε and ρ c/ρ a, in which \(Fr = \sqrt {2}\) (Benjamin 1968) is used. Dashed curves represent the solutions for ρ c/ρ a<1Back to article page