WIT Press


Numerical Simulations Of An Oil Spill Accident In Guanabara Bay, Rio De Janeiro, Brazil

Price

Free (open access)

Paper DOI

10.2495/CENV000141

Volume

43

Pages

8

Published

2000

Size

1,165 kb

Copyright

WIT Press

Author(s)

R.F. Cantao, R.F. De Oliveira & J.F.C.A. Meyer

Abstract

In this work we present a classical evolution equation for the movement of oil slicks in marine water in its second phase (Fay, 1969), and, setting it in its variational formulation, discretize it with a view towards the use of the Finite Element Method (using first degree approximations for oil concentration). For simulating marine currents special upwinding techniques are adopted so as to eliminate main oscillations caused by numerical options. These currents are given by the solution of Stokes' equation using second order finite elements, and boundary conditions are obtained from data furnished by the Brazilian National Hydrographic Directory. Resulting currents were then used for a qual

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