A simple example of the collapse of a water supply reservoir in a narrow valley is used to demonstrate the capability of the model. The model is shown to be stable and robust. It is capable of resolving shocks, handling complex geometry, including the influence of steep bed slopes and simulating the wetting and drying process. All rights reserved. The model involves the partial differential equations governing flow and heat transfer, in large enclosures, containing heat sources.
Turbulent flow is simulated and buoyancy effects are taken into account.
The model allows for such practical aspects of the problems under consideration as blockages, internal heat loads, external weather conditions, the presence of people, etc. Elsevier Science Inc. All rights reserved. A numerical model based on the two-phase flow equations is developed for predicting the intense sediment motions in steady and unsteady flows. As the governing equations are coupled and highly nonlinear, the failure of some earlier attempts in applying two-phase flow models to reproduce the laboratory measurements of flow properties has been found to be largely due to the deficiencies in the numerical schemes rather than the parameterisations of physical processes. In this paper, a numerical scheme for the complete set of two-phase flow equations is presented.