activity
20222026
most citedSome observations regarding the RBF-FD approximation accuracy dependence on stencil size

8 citations · 19 across the 13 of their papers we have counts for

collaborators

14 papers

physics.flu-dyn2026

Meshless -adaptive Solution for non-Newtonian Natural Convection in a Differentially Heated Cavity

Miha Rot, Gregor Kosec

One of the main challenges in numerically solving partial differential equations is finding a discretisation for the computational domain that balances the accurate representation…

cs.DC2026

Load Balanced Parallel Node Generation for Meshless Numerical Methods

Jon Vehovar, Miha Rot, Matjaž Depolli +1

Meshless methods are used to solve partial differential equations by approximating differential operators at a node as a weighted sum of values at its neighbours. One of the algori…

math.NA2025

Adaptive hyperviscosity stabilisation for the RBF-FD method in solving advection-dominated transport equations

Miha Rot, Žiga Vaupotič, Andrej Kolar-Požun +1

This paper presents an adaptive hyperviscosity stabilisation procedure for the Radial Basis Function-generated Finite Difference (RBF-FD) method, aimed at solving linear and non-li…

physics.comp-ph2025★ 1 cited

An RBF-based method for computational electromagnetics with reduced numerical dispersion

Andrej Kolar-Požun, Gregor Kosec

The finite difference time domain method is one of the simplest and most popular methods in computational electromagnetics. This work considers two possible ways of generalising it…

math.NA2025★ 1 cited

A Numerical Study of Combining RBF Interpolation and Finite Differences to Approximate Differential Operators

Adrijan Rogan, Andrej Kolar-Požun, Gregor Kosec

This paper focuses on RBF-based meshless methods for approximating differential operators, one of the most popular being RBF-FD. Recently, a hybrid approach was introduced that com…

cs.DC2025

Performance Trade-offs of High Order Meshless Approximation on Distributed Memory Systems

Jon Vehovar, Miha Rot, Gregor Kosec

Meshless methods approximate operators in a specific node as a weighted sum of values in its neighbours. Higher order approximations of derivatives provide more accurate solutions…

math.NA2024

Numerical analysis of small-strain elasto-plastic deformation using local Radial Basis Function approximation with Picard iteration

Filip Strniša, Mitja Jančič, Gregor Kosec

This paper deals with a numerical analysis of plastic deformation under various conditions, utilizing Radial Basis Function (RBF) approximation. The focus is on the elasto-plastic…

math.NA2024★ 2 cited

Spatially dependent node regularity in meshless approximation of partial differential equations

Miha Rot, Mitja Jančič, Gregor Kosec

In this paper, we address a way to reduce the total computational cost of meshless approximation by reducing the required stencil size through spatially varying computational node…

physics.flu-dyn2024★ 3 cited

Hyperviscosity stabilisation of the RBF-FD solution to natural convection

Žiga Vaupotič, Miha Rot, Gregor Kosec

The numerical stability of fluid flow is an important topic in computational fluid dynamics as fluid flow simulations usually become numerically unstable in the turbulent regime. M…

physics.flu-dyn2024★ 1 cited

Cross-validation of meshless Navier-Stokes solvers in porous media flows

Dawid Strzelczyk, Miha Rot, Gregor Kosec +1

In this paper, two mesh-free CFD solvers for pore-scale fluid flow through porous media are considered, namely the Lattice Boltzmann Method with the two relaxation time collision t…

math.NA2024★ 8 cited

Some observations regarding the RBF-FD approximation accuracy dependence on stencil size

Andrej Kolar-Požun, Mitja Jančič, Miha Rot +1

When solving partial differential equations on scattered nodes using the Radial Basis Function-generated Finite Difference (RBF-FD) method, one of the parameters that must be chose…

math.NA2024

A superconvergence result in the RBF-FD method

Andrej Kolar-Požun, Mitja Jančič, Gregor Kosec

Radial Basis Function-generated Finite Differences (RBF-FD) is a meshless method that can be used to numerically solve partial differential equations. The solution procedure consis…

math.NA2023

Meshless interface tracking for the simulation of dendrite envelope growth

Mitja Jančič, Miha Založnik, Gregor Kosec

The growth of dendritic grains during solidification is often modelled using the Grain Envelope Model (GEM), in which the envelope of the dendrite is an interface tracked by the Ph…

math.NA2022★ 3 cited

Refined radial basis function-generated finite difference analysis of non-Newtonian natural convection

Miha Rot, Gregor Kosec

In this paper we present a refined Radial Basis Function-generated Finite Difference (RBF-FD) solution for a non-Newtonian fluid in a closed differentially heated cavity. The non-N…