Computational modeling of ion transport in electrodeposition: Serial and parallel processing

G MARSHALL,; F. V. MOLINA; S DENGRA,; E MOCSKOS,; E ARIAS,

Journal Of Computational Methods In Science And Engineering

IOS

Lugar: en prensa; Año: 2007 p. 1 - 1

Ion transport and growth morphology in thin-layer cells are studied throughtheoretical and computational modeling. The theoretical macroscopic model is based onrst principles, using the Nernst-Planck equations for ion transport, the Poisson equationfor the electrostatic potential and the Navier-Stokes equations for the uid ow. Numericalsimulations in realistic cell congurations using serial and parallel computing are presented.In the parallel simulations, use is made of domain decomposition techniques with a stronglyimplicit iterative method and its implementation in a 16 node Beowulf cluster under MPIand Linux. This allows the utilization of very ne grids in highly distorted domains with amore realistic physical parametrization and results in a robust algorithm attaining almostlinear speedup. Theory and simulations, in gravitoconvective prevailing conditions, predictamong many other features, space-time vortex tube fronts evolution, in close agreementwith the results observed in the experiments.