Fully-coupled simulation of low temperature ablator and hypersonic flow solver

AL Zibitsker, J McQuaid, C Brehm, A Martin - AIAA SciTech 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-0676. vid Interaction between
physical systems in nature occur seamlessly, where two or more processes affect each other …

Study of a Two-Dimensional Shape Change of Blunt-Body Geometries at Hypersonic Conditions Using Fully Coupled Simulation

AL Zibitsker, JA McQuaid, C Brehm… - AIAA AVIATION 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-4006. vid The majority of
atmospheric entry vehicles use heat shields made of thermal protection materials that ablate …

A sharp interface Cartesian grid method for viscous simulation of shocked particle-laden flows

P Das, O Sen, G Jacobs… - International Journal of …, 2017 - Taylor & Francis
ABSTRACT A Cartesian grid-based sharp interface method is presented for viscous
simulations of shocked particle-laden flows. The moving solid–fluid interfaces are …

Forced beam vibrations of coaxial cylinders separated by a fluid gap of arbitrary size. Inviscid theory and numerical assessment of the fluid forces

R Lagrange, L Lorand, MA Puscas - Journal of Fluids and Structures, 2023 - Elsevier
In this paper, we consider the small-amplitude forced beam vibrations of two coaxial finite-
length cylinders separated by an inviscid Newtonian fluid. The three-dimensional fluid …

Viscous Theory for the Vibrations of Coaxial Cylinders: Analytical Formulas for the Fluid Forces and the Modal Added Coefficients

R Lagrange, M Adela Puscas - Journal of Applied …, 2023 - asmedigitalcollection.asme.org
This article addresses the small-amplitude forced beam vibrations of two coaxial finite-length
cylinders separated by a viscous Newtonian fluid. A new theoretical approach based on an …

FSI—vibrations of immersed cylinders. Simulations with the engineering open-source code TrioCFD. Test cases and experimental comparisons

D Panunzio, MA Puscas… - Comptes …, 2022 - comptes-rendus.academie-sciences …
In this paper, we assess the capabilities of the Arbitrary Lagrangian–Eulerian (ALE) method
implemented in the open-source code TrioCFD to tackle down two fluid–structure interaction …

Hydrodynamic interaction between two flexible finite length coaxial cylinders: new theoretical formulation and numerical validation

R Lagrange, M Adela Puscas - Journal of Applied …, 2022 - asmedigitalcollection.asme.org
This article addresses the interaction of two coaxial cylinders separated by a thin fluid layer.
The cylinders are flexible, have a finite length, and are subject to a vibration mode of an …

A Computationally Efficient Dynamic Grid Motion Approach for Arbitrary Lagrange–Euler Simulations

A Leprevost, V Faucher, MA Puscas - Fluids, 2023 - mdpi.com
The present article addresses the topic of grid motion computation in Arbitrary Lagrange–
Euler (ALE) simulations, where a fluid mesh must be updated to follow the displacements of …

A variational discrete element method for the computation of Cosserat elasticity

F Marazzato - Computational Mechanics, 2021 - Springer
The variational discrete element method developed in Marazzato et al.(Int J Numer Methods
Eng, 121 (23): 5295–5319, 2020) for dynamic elasto-plastic computations is adapted to …

[PDF][PDF] Mesh adaptation for the embedded boundary method in CFD

R Feuillet, A Loseille, F Alauzet - 2019 - inria.hal.science
The numerical simulation of complex physical phenomenons usually requires a mesh. In
Computational Fluid Dynamics, it consists in representing an object inside a huge control …