Isogeometric boundary element formulation for cathodic protection of amphibious vehicles

In this study, we propose an isogeometric boundary element formulation for the cathodic protection (CP) modeling for amphibious vehicles which includes the treatment of non-linear boundary conditions. Half-space Green’s functions are utilized which leads to the discretization of the hull surface onl...

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Bibliographic Details
Published inEngineering analysis with boundary elements Vol. 158; pp. 85 - 96
Main Authors Gümüş, Özgür Can, Atak, Kaan, Çetin, Barış, Baranoğlu, Besim, Çetin, Barbaros
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.01.2024
Subjects
BEM
Cathodic protection
Isogeometric
NURBS
Cathodic protection
Isogeometric
BEM
NURBS
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Summary:In this study, we propose an isogeometric boundary element formulation for the cathodic protection (CP) modeling for amphibious vehicles which includes the treatment of non-linear boundary conditions. Half-space Green’s functions are utilized which leads to the discretization of the hull surface only. Non-Uniform Rational B-splines (NURBS) are employed to represent both geometry and field variables to obtain higher accuracy where discontinuous collocation points are utilized to make multi-patch implementation easier. Variable condensation technique is applied to manipulate system matrices in a such way that the solution is iterated only on the surfaces where non-linear boundary conditions are assigned which results in reduced computational cost. The computational performance of the formulation is assessed with different solvers for a representative hull geometry.
ISSN:0955-7997
1873-197X
DOI:10.1016/j.enganabound.2023.10.019