Inverse Leidenfrost impacting drops

K Isukwem, CA Charles, T Phou, L Ramos… - Journal of Fluid …, 2025 - cambridge.org
We investigate the spreading of falling ambient-temperature Newtonian drops after their
normal impact on a quartz plate covered with a thin layer of liquid nitrogen. As a drop …

The role of viscoplastic drop shape in impact

K Isukwem, J Godefroid, C Monteux… - Journal of Fluid …, 2024 - cambridge.org
The impact of fluid drops on solid substrates is a cardinal fluid dynamics phenomenon
intrinsically related to many fields. Although these impacting objects are very often non …

Particle regeneration technique for Smoothed Particle Hydrodynamics in simulation of compressible multiphase flows

YX Peng, AM Zhang, FR Ming - Computer Methods in Applied Mechanics …, 2021 - Elsevier
In this work, a particle regeneration technique is developed for Smoothed Particle
Hydrodynamics (SPH). In traditional SPH, the particle disorder phenomenon will occur when …

Fully compressible multiphase model for computation of compressible fluid flows with large density ratio and the presence of shock waves

VT Nguyen, TH Phan, TN Duy, DH Kim, WG Park - Computers & Fluids, 2022 - Elsevier
We propose a fully compressible multiphase model for simulating compressible interfacial
flows. The mathematical model is formulated on the basis of the typical conservation laws for …

The effect of viscosity, yield stress, and surface tension on the deformation and breakup profiles of fluid filaments stretched at very high velocities

R Valette, E Hachem, M Khalloufi, AS Pereira… - Journal of Non …, 2019 - Elsevier
The fast stretching of fluid filaments to form either drops or broken threads is sensitive to both
fluid rheology and surface tension and in this paper numerical tools are used to simulate the …

Simulating two-phase flows with thermodynamically consistent energy stable Cahn-Hilliard Navier-Stokes equations on parallel adaptive octree based meshes

MA Khanwale, AD Lofquist, H Sundar… - Journal of …, 2020 - Elsevier
We report on simulations of two-phase flows with deforming interfaces at various density
contrasts by solving thermodynamically consistent Cahn-Hilliard Navier-Stokes equations …

A fully-coupled framework for solving Cahn-Hilliard Navier-Stokes equations: Second-order, energy-stable numerical methods on adaptive octree based meshes

MA Khanwale, K Saurabh, M Fernando… - Computer Physics …, 2022 - Elsevier
We present a fully-coupled, implicit-in-time framework for solving a thermodynamically-
consistent Cahn-Hilliard Navier-Stokes system that models two-phase flows. In this work, we …

A projection-based, semi-implicit time-stepping approach for the Cahn-Hilliard Navier-Stokes equations on adaptive octree meshes

MA Khanwale, K Saurabh, M Ishii, H Sundar… - Journal of …, 2023 - Elsevier
Abstract The Cahn-Hilliard Navier-Stokes (CHNS) system provides a computationally
tractable model that can be used to effectively capture interfacial dynamics in two-phase …

Stabilized finite element method for incompressible solid dynamics using an updated Lagrangian formulation

R Nemer, A Larcher, T Coupez, E Hachem - Computer Methods in Applied …, 2021 - Elsevier
This paper proposes a novel way to solve transient linear, and non-linear solid dynamics for
compressible, nearly incompressible, and incompressible material in the updated …

Adaptive Immersed Mesh Method (AIMM) for Fluid–Structure Interaction

R Nemer, A Larcher, E Hachem - Computers & Fluids, 2024 - Elsevier
Our paper proposes an innovative approach for modeling Fluid–Structure Interaction (FSI).
Our method combines both traditional monolithic and partitioned approaches, creating a …