WIT Press

A Numerical Model For Shallow-water Flows In Complex Geometries By The Interpolation Matrix Method

Price

Free (open access)

Paper DOI

10.2495/CE990401

Volume

43

Pages

11

Published

1999

Size

864 kb

Author(s)

K.D. Nguyen and H.S. Chae

Abstract

A numerical model for estuarine and coastal flows in arbitrary geometries is presented. In this model, the Interpolating Matrix Method (IMM) is coupled with a TVD scheme. The Saint-Venant equations are solved by a splitting technique in the successive steps: advection, diffusion, wave propagation and velocity correction. The proposed model has been validated by several benchmarks. 1 Introduction The Interpolating Matrix Method (IMM) was first proposed by Koshizuka et al. [6] and then improved by Nguyen and En-Nefkhaoui [9] as a finite difference method to solve the Navier-Stokes equations. The IMM is interesting for its simplicity to formulate and to code flow problems in a generalized curvilinear-coordinate system. The IMM has the same adaptabilit

Keywords