Numerical algorithm based on regularized equations for incompressible flow modeling and its implementation in OpenFOAM

MV Kraposhin, DA Ryazanov, TG Elizarova - Computer Physics …, 2022 - Elsevier
Various aspects of incompressible viscous flow modeling using regularized equations are
considered: from the formulation of quasi hydrodynamic (QHD) equations for fluid motion to …

On the scope of Lagrangian vortex methods for two-dimensional flow simulations and the POD technique application for data storing and analyzing

K Kuzmina, I Marchevsky, I Soldatova, Y Izmailova - Entropy, 2021 - mdpi.com
The possibilities of applying the pure Lagrangian vortex methods of computational fluid
dynamics to viscous incompressible flow simulations are considered in relation to various …

The VM2D open source code for two-dimensional incompressible flow simulation by using fully Lagrangian vortex particle methods

I Marchevsky, K Sokol, E Ryatina, Y Izmailova - Axioms, 2023 - mdpi.com
This article describes the open-source C++ code VM2D for the simulation of two-
dimensional viscous incompressible flows and solving fluid-structure interaction problems …

Fast Barnes–Hut-based algorithm in 2D vortex method of computational hydrodynamics

I Marchevsky, E Ryatina, A Kolganova - Computers & Fluids, 2023 - Elsevier
In the present paper, the efficient modification of the Barnes–Hut algorithm is proposed
based on ideas of multipole and local expansions. Such an approach allows for forming a …

Flow simulation around 3D bodies by using Lagrangian vortex loops method with boundary condition satisfaction with respect to tangential velocity components

SA Dergachev, IK Marchevsky… - Aerospace Science and …, 2019 - Elsevier
A new approach is developed for incompressible 3D flow simulation around bodies by
Lagrangian vortex method. Closed vortex loops are considered as vortex elements, which …

Role of Biermann Battery Mechanism in Appearance of Magnetic Fields in Accretion Discs

RR Andreasyan, IK Marchevsky, EA Mikhailov - Astronomy Reports, 2024 - Springer
At present, there is little doubt that accretion discs surrounding compact astrophysical
objects such as black holes, white dwarfs, and neutron stars may have magnetic field …

The Barnes—Hut-type algorithm in 2D Lagrangian vortex particle methods

E Ryatina, A Lagno - Journal of Physics: Conference Series, 2021 - iopscience.iop.org
The Lagrangian vortex particle method for two-dimensional flow simulation around airfoils is
considered. Generally, the most time-consuming operation in the vortex method is vortex …

Parallel Implementation of Fast Algorithms in the Vortex Particle Method

A Kolganova, I Marchevsky - International Conference on Parallel …, 2023 - Springer
The problem considered in this paper arises in the vortex particle method and is similar to
the N-body problem, which is the problem of determining the velocities of all the particles …

[HTML][HTML] Т-схемы для математического моделирования генерации завихренности на гладких профилях в вихревых методах

ИК Марчевский, КС Сокол… - … университета им. НЭ …, 2022 - cyberleninka.ru
Предложены новые численные схемы решения граничного интегрального уравнения,
решаемого в вихревых методах вычислительной гидродинамики при моделировании …

Аналитическое и полуаналитическое вычисление интегралов от логарифмического и ньютоновского потенциала и их градиентов по прямолинейным …

IK Marchevsky, SR Serafimova - Вычислительные методы и …, 2022 - en.num-meth.ru
Рассмотрены интегралы, возникающие при решении граничных интегральных
уравнений, ядром в которых является логарифмический или ньютоновский потенциал …