Heat transfer and natural convection of nanofluids in porous media

GC Bourantas, ED Skouras, VC Loukopoulos… - European Journal of …, 2014 - Elsevier
Natural convection of a nanofluid in a square cavity filled with a porous matrix is numerically
investigated using a meshless technique. The Darcy–Brinkman and the energy transport …

MHD natural-convection flow in an inclined square enclosure filled with a micropolar-nanofluid

GC Bourantas, VC Loukopoulos - International Journal of Heat and Mass …, 2014 - Elsevier
Transient, laminar, natural-convection flow of a micropolar-nanofluid (Al 2 O 3/water) in the
presence of a magnetic field in an inclined rectangular enclosure is considered. A meshless …

Modeling the natural convective flow of micropolar nanofluids

GC Bourantas, VC Loukopoulos - International journal of Heat and mass …, 2014 - Elsevier
A micropolar model for nanofluidic suspensions is proposed in order to investigate
theoretically the natural convection of nanofluids. The microrotation of the nanoparticles …

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 …

[HTML][HTML] Using DC PSE operator discretization in Eulerian meshless collocation methods improves their robustness in complex geometries

GC Bourantas, BL Cheeseman, R Ramaswamy… - Computers & …, 2016 - Elsevier
Many fluid-dynamics applications require solutions in complex geometries. In these cases,
mesh generation can be a difficult and computationally expensive task for mesh-based …

A study concerning the solution of advection–diffusion problems by the Boundary Element Method

CLN Cunha, JAM Carrer, MF Oliveira… - Engineering Analysis with …, 2016 - Elsevier
This work is concerned with the development of two Boundary Element Method formulations
for the solution of the advection–diffusion problem in two-dimensions. Beside the discussion …

A compact finite differences exact projection method for the Navier–Stokes equations on a staggered grid with fourth-order spatial precision

GA Reis, IVM Tasso, LF Souza, JA Cuminato - Computers & Fluids, 2015 - Elsevier
An exact projection method for the numerical solution of the incompressible Navier–Stokes
equations is devised. In all spatial discretizations, fourth-order compact finite differences are …

Two-phase biofluid flow model for magnetic drug targeting

ID Boutopoulos, DS Lampropoulos, GC Bourantas… - Symmetry, 2020 - mdpi.com
Magnetic drug targeting (MDT) is a noninvasive method for the medical treatment of various
diseases of the cardiovascular system. Biocompatible magnetic nanoparticles loaded with …

Modeling the natural convection flow in a square porous enclosure filled with a micropolar nanofluid under magnetohydrodynamic conditions

NP Karagiannakis, GC Bourantas, ED Skouras… - Applied Sciences, 2020 - mdpi.com
The laminar, natural convective flow of a micropolar nanofluid in the presence of a magnetic
field in a square porous enclosure was studied. The micropolar nanofluid is considered to …

A meshless scheme for incompressible fluid flow using a velocity–pressure correction method

GC Bourantas, VC Loukopoulos - Computers & Fluids, 2013 - Elsevier
A meshless point collocation method is proposed for the numerical solution of the steady
state, incompressible Navier–Stokes (NS) equations in their primitive u–v–p formulation. The …