PARALLEL  PSEUDO-SPECTRAL  SIMULATIONS
OF NONLINEAR VISCOUS  FINGERING IN MIS-
CIBLE DISPLACEMENTS

N. Mangiavacchi; A.L.G.A. Coutinho; N.F.F. Ebecken

doi:10.2495/OE970351

PARALLEL PSEUDO-SPECTRAL SIMULATIONS OF NONLINEAR VISCOUS FINGERING IN MIS- CIBLE DISPLACEMENTS

Price

Free (open access)

Transaction

WIT Transactions on The Built Environment

Volume

Pages

Published

1997

Size

813 kb

Paper DOI

10.2495/OE970351

WIT Press

Author(s)

N. Mangiavacchi, A.L.G.A. Coutinho & N.F.F. Ebecken

Abstract

-- High performance parallel pseudo-spectral methods for the simulation of two-dimensional miscible displacements in porous media are developed. The code is designed to perform high resolution, space and time accurate simulations of nonlinear viscous finger interactions, on var- ious distributed memory architectures. The parallelization is based on a domain decomposition approach in latu sensu, where the decomposition is done either in physical space or in the Fourier representation of the fields. Simulations show occurrence of finger interaction mechanisms on isotropic and Taylor dispersion cases, and stresses the importance of the initial conditions even for results of long time integrations

Keywords

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Code

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