The P-DNS method for turbulent fluid flows: an overview

SR Idelsohn, JM Gimenez, AE Larreteguy… - … Methods in Engineering, 2024 - Springer
An overview of the Pseudo-Direct Numerical Simulation (P-DNS) method is presented. This
is a multi-scale method aiming at numerically solving the unknown fields at two different …

Unconditional stability and optimal error estimates of Euler implicit/explicit-SAV scheme for the Navier–Stokes equations

T Zhang, JY Yuan - Journal of Scientific Computing, 2022 - Springer
The unconditional stability and convergence analysis of the Euler implicit/explicit scheme
with finite element discretization are studied for the incompressible time-dependent Navier …

A pseudo-DNS method for the simulation of incompressible fluid flows with instabilities at different scales

S Idelsohn, N Nigro, A Larreteguy, JM Gimenez… - Computational Particle …, 2020 - Springer
In this work, a new model for the analysis of incompressible fluid flows with massive
instabilities at different scales is presented. It relies on resolving all the instabilities at all …

Simulation of the burning and dripping cables in fire using the particle finite element method

J Marti, B Schartel, E Oñate - Journal of fire sciences, 2022 - journals.sagepub.com
The behavior of the cable jacket in fire characterized by the tendency to melt and drip
constitutes a major source of fire hazard. The reason is that the melted material may convey …

A practical finite difference scheme for the Navier–Stokes equation on curved surfaces in R3

J Yang, Y Li, J Kim - Journal of Computational Physics, 2020 - Elsevier
We present a practical finite difference scheme for the incompressible Navier–Stokes
equation on curved surfaces in three-dimensional space. In the proposed method, the …

A three-dimensional numerical model for the motion of liquid drops by the particle finite element method

E Mahrous, R Valéry Roy, A Jarauta, M Secanell - Physics of Fluids, 2022 - pubs.aip.org
Analysis of drop spreading and sliding on solid substrates is critical for many industrial
applications, such as microfluidic devices, cooling towers, and fuel cells. A new three …

A particle finite element-based model for droplet spreading analysis

E Mahrous, A Jarauta, T Chan, P Ryzhakov… - Physics of …, 2020 - pubs.aip.org
A particle finite element method-based model is proposed to analyze droplet dynamics
problems, particularly droplet spreading on solid substrates (wetting). The model uses an …

Meshfree methods for the time fractional Navier–Stokes equations

Y Liu, J Yang, Z Liu, Q Xu - Engineering Analysis with Boundary Elements, 2024 - Elsevier
Abstract The Navier–Stokes equations are the fundamental equations governing fluid
motions. Due to the excellent properties of memory and heredity of the time fractional …

Fully decoupled, linear and unconditional stability implicit/explicit scheme for the natural convection problem

T Zhang - Applicable Analysis, 2023 - Taylor & Francis
The aim of this paper is to develop an unconditionally stable Euler implicit/explicit scheme
for the natural convection equations based on an introduced exponential scalar auxiliary …

Improving accuracy of the moving grid particle finite element method via a scheme based on Strang splitting

J Marti, P Ryzhakov - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
Particle finite element method (PFEM) is a computational tool suitable for simulating fluid
dynamics problems characterized by presence of moving boundaries. In this paper a new …