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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 44
ADVANCES IN BOUNDARY ELEMENT METHODS
Edited by: B.H.V. Topping
Paper V.4

A Solution Technique for Cathodic Protection with Dynamic Boundary Conditions by the Boundary Element Method

J.A.F. Santiago and J.C.F. Telles

COPPE/Federal University of Rio de Janeiro, Rio de Janeiro, Brazil

Full Bibliographic Reference for this paper
J.A.F. Santiago, J.C.F. Telles, "A Solution Technique for Cathodic Protection with Dynamic Boundary Conditions by the Boundary Element Method", in B.H.V. Topping, (Editor), "Advances in Boundary Element Methods", Civil-Comp Press, Edinburgh, UK, pp 121-128, 1996. doi:10.4203/ccp.44.5.4
Abstract
This paper is concerned with the application of the Boundary Element Method to cathodic protection problems of submerged structures using polarization curves depending upon time and formation potential. These curves have been adjusted from potentiostatic data obtained from in-situ experiments, yielding a nonlinear functional representation. The solution technique adopts stepwise linearized polarization curves and is employed for sufficiently small time steps. The influence of varying formation potential is introduced into the analysis under two alternative hypotheses here designated fictitious time and fictitious potential.

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