Tidal Motion - Mass Transfer In Shallow
Waters
Author(s)
K. Onishi, G. Aramaki & M. Ishigaki
Abstract
A computational technique is presented for the numerical simulation of mass
transfer by tidal motion of the sea in shallow waters. The Taylor-Galerkin
approximation of second order is discussed for numerical solutions to the
shallow water equations, to which an advection - diffusion equation with
the resulting residual current is coupled for the mass transfer. Two-step
scheme is used in the time integration and linear triangular finite elements
are used in spatial discretisation. The present method is applied to the
simulation of contaminant transport in the Ariake Sea.
1 Governing equations
We shall be interested in tidal motion in a local area of the sea with the
rectangular coordinates x,y,z (m). Let the surface of the mean sea level
designate the reference plane
Keywords
Related Book
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