FastSVD-ML–ROM: A reduced-order modeling framework based on machine learning for real-time applications

GI Drakoulas, TV Gortsas, GC Bourantas… - Computer Methods in …, 2023 - Elsevier
Digital twins have emerged as a key technology for optimizing the performance of
engineering products and systems. High-fidelity numerical simulations constitute the …

An accelerated boundary element method via cross approximation of integral kernels for large‐scale cathodic protection problems

TV Gortsas, SV Tsinopoulos… - Computer‐Aided Civil …, 2022 - Wiley Online Library
The boundary element method (BEM), combined with hierarchical matrices (HM) and
adaptive cross approximation (ACA) techniques, is a powerful tool for treating large‐scale …

Cathodic protection of a container ship using a detailed BEM model

DT Kalovelonis, DC Rodopoulos, TV Gortsas… - Journal of Marine …, 2020 - mdpi.com
In the present work, an impressed current cathodic protection (ICCP) system for the
protection against corrosion of a 399-m-length container ship throughout its service life is …

A local domain BEM for solving transient convection-diffusion-reaction problems

TV Gortsas, SV Tsinopoulos - International Journal of Heat and Mass …, 2022 - Elsevier
The convection-diffusion-reaction (CDR) equation has been extensively used to simulate a
variety of physical phenomena. A robust numerical method for solving linear CDR problems …

Fast Multipole Boundary Element Method (FMM/BEM) for the solution of the Navier-Stokes in primitive variables based on the Burton and Miller formulation in two …

EJ Sellountos - Journal of Computational Physics, 2022 - Elsevier
In the present work the fast multipole boundary element method (FMM/BEM) is presented for
the solution of incompressible Navier-Stokes equations in 2 dimensions. This is a velocity …

A local domain boundary element method for solving the nonlinear fisher KPP diffusion-reaction equation

TV Gortsas, SV Tsinopoulos, D Polyzos - Engineering Analysis with …, 2022 - Elsevier
The nonlinear Fisher-KPP diffusion-reaction equation has been successfully employed to
model competitive processes in biological populations. A robust numerical method for …

SCTBEM: A scaled coordinate transformation boundary element method with 99-line MATLAB code for solving Poisson's equation

B Yu, R Jing - Computer Physics Communications, 2024 - Elsevier
This study introduces the scaled coordinate transformation boundary element method
(SCTBEM), a novel boundary-type method for solving three-dimensional potential problems …

Modelling of 3D periodic cathodic protection problems in reinforced concrete structures with accelerated boundary element method

DT Kalovelonis, TV Gortsas, SV Tsinopoulos - Construction and Building …, 2023 - Elsevier
The steel used for concrete reinforcement exhibits either active or passive electrochemical
behavior. As long as the concrete environment remains highly alkaline, the steel remains …

Accelerated boundary element method for direct current interference of cathodic protections systems

DT Kalovelonis, TV Gortsas, SV Tsinopoulos… - Ocean …, 2022 - Elsevier
The use of cathodic protection (CP) is a widely used practice to mitigate the corrosion of
metals. In certain circumstances, stray-current induced corrosion can occur on a structure …

[HTML][HTML] Multi-physics analysis of the galvanic corrosion of Mg-steel couple under the influence of time-dependent anisotropic deposition film

K Wang, C Li, Y Li, J Lu, Y Wang, X Luo - Journal of Magnesium and Alloys, 2021 - Elsevier
The anisotropic deposit film formed during the galvanic corrosion can impede the mass
transfer of the involved species, thereby affecting the electro-chemical behavior and the …