Author(s): Susanne Krueger
Linked Author(s):
Keywords: Numerical modelling; Shallow Water Equations; Finite Element Method; Channel-Contraction; Air-Water Flow; Shock-Waves
Abstract: An extension of the classical shallow water approach taking into account nonhydrostatic pressure distribution as well as momentum in the third direction is applied for shock-wave simulation. Using the compressible form of governing equations and the gas law to account for compressibility effects in supercritical air-water flows, a reduction of velocity, a damping of relative mixture depth and an upstream shift of shock-waves is observed, depending mainly on the air-concentration.
Year: 1999