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Finite Element Method with Applications in Engineering by T. L. Eldho, Y. M. Desai

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10.6 HYDRODYNAMICS SIMULATION OF SHALLOW WATER FLOW

10.6.1 Introduction

Flow regime in rivers, channels, estuaries and coastal regions is a transient real world phenomenon. Solution to these problems can be obtained through physical models, analytical solutions or numerical models. Physical model is an attempt to reduce the complex problem into small observable scale in laboratory. Physical models are generally difficult to make, time consuming to prove (possibility of scale effects, etc) and expensive. Analytical solutions refer to closed form solutions of governing equations. For rivers, channels or estuary problems, very few analytical solutions are available for simplified domain and boundary conditions. A numerical model is an attempt to ...

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