A review of domain decomposition methods for simulation of fluid flows: concepts, algorithms, and applications

HS Tang, RD Haynes, G Houzeaux - Archives of Computational Methods …, 2021 - Springer
Abstract Domain decomposition (DD) is a powerful approach to numerically solve partial
differential equations, and it has become popular and indispensable in simulations of fluid …

Hybrid analysis and modeling, eclecticism, and multifidelity computing toward digital twin revolution

O San, A Rasheed, T Kvamsdal - GAMM‐Mitteilungen, 2021 - Wiley Online Library
Most modeling approaches lie in either of the two categories: physics‐based or data‐driven.
Recently, a third approach which is a combination of these deterministic and statistical …

Effects of pressure waves on the cooling-fan performance and indoor flow of air-conditioning units on the roof of a high-speed maglev train

H Guo, K Zhang, G Xu, J Niu - Tunnelling and Underground Space …, 2024 - Elsevier
Air-conditioning units (ACUs) are important components of trains, and their performance
directly affects the thermal environment of train cabins. Their operational performance is …

Fluid–structure interaction simulations outperform computational fluid dynamics in the description of thoracic aorta haemodynamics and in the differentiation of …

R Pons, A Guala… - Royal Society …, 2020 - royalsocietypublishing.org
Abnormal fluid dynamics at the ascending aorta may be at the origin of aortic aneurysms.
This study was aimed at comparing the performance of computational fluid dynamics (CFD) …

[HTML][HTML] Arbitrary-Lagrangian-Eulerian finite volume IMEX schemes for the incompressible Navier-Stokes equations on evolving Chimera meshes

MG Carlino, W Boscheri - Journal of Computational Physics, 2024 - Elsevier
In this article we design a finite volume semi-implicit IMEX scheme for the incompressible
Navier-Stokes equations on evolving Chimera meshes. We employ a time discretization …

Fluid-structure interaction based on HPC multicode coupling

JC Cajas, G Houzeaux, M Vázquez, M García… - SIAM Journal on …, 2018 - SIAM
The fluid-structure interaction (FSI) problem has received great attention in the last few
years, mainly because it is present in many physical systems, industrial applications, and …

A simple Chimera grid method with an implicit Dirichlet/Neumann coupling scheme for flows with moving boundaries

K Mu, J Mao, L Zhao, H Zhu - Journal of Computational Physics, 2022 - Elsevier
A simple Chimera grid method is developed for complex flows with moving boundaries.
Based on the interpolation condition, a coupling strategy is proposed where algebraic …

A multimesh finite element method for the Navier–Stokes equations based on projection methods

JS Dokken, A Johansson, A Massing… - Computer Methods in …, 2020 - Elsevier
The multimesh finite element method is a technique for solving partial differential equations
on multiple non-matching meshes by enforcing interface conditions using Nitsche's method …

On the performance of a Chimera-FEM implementation to treat moving heat sources and moving boundaries in time-dependent problems

BA Storti, AE Albanesi, I Peralta, MA Storti… - Finite Elements in …, 2022 - Elsevier
Problems with moving sources and moving inner boundaries in transient regime are of high
interest in many research fields and engineering applications. One approach to properly …

Optimization of an internal blade cooling passage configuration using a Chimera approach and parallel computing

B Storti, L Garelli, M Storti, J D'elia - Finite Elements in Analysis and Design, 2020 - Elsevier
Improving gas turbine performance depends almost exclusively on the maximum
temperature of the combustion gases. This temperature is limited by the thermomechanical …