Gümüş, Özgür CanAtak, KaanÇetin, BarışBaranoğlu, BesimÇetin, Barbaros2025-02-222025-02-222024-010955-7997https://hdl.handle.net/11693/116649In 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.EnglishCC BY 4.0 (Attribution 4.0 International Deed)https://creativecommons.org/licenses/by/4.0/BEMIsogeometricNURBSCathodic protectionArticle10.1016/j.enganabound.2023.10.019