Search Results - "Goncalves da Silva, Eric"
-
1
High performance computing of stiff bubble collapse on CPU-GPU heterogeneous platform
Published in Computers & mathematics with applications (1987) (01-10-2021)“…•An efficient parallel GPU-CPU two-phase solver is presented.•Performances and scalability are illustrated on a heterogenous supercomputer.•Several…”
Get full text
Journal Article -
2
Numerical studies of two-phase water hammer flows using Godunov methods
Published in Annals of nuclear energy (01-03-2023)“…In this paper, an explicit finite volume Godunov-type scheme is applied for a two-phase homogeneous water hammer flow model. The developed finite volume method…”
Get full text
Journal Article -
3
Numerical investigation of three-dimensional partial cavitation in a Venturi geometry
Published 31-05-2021“…Sheet cavitation appears in many hydraulic applicationss and can lead to technical issues. Some fundamental outcomes such as the complex topology of…”
Get full text
Journal Article -
4
Jet resonance in truncated ideally contoured nozzle
Published 09-07-2020“…An overexpanded jet in a truncated ideally contoured nozzle is found to feature a tonal behavior. The flow field is investigated to understand its origin and…”
Get full text
Journal Article -
5
Assessment of volume penalization and immersed boundary methods for compressible flows with various thermal boundary conditions
Published in Journal of computational physics (15-11-2023)“…A continuous forcing immersed boundary method (IBM) and a volume penalization method are investigated to simulate compressible viscous flows past an isothermal…”
Get full text
Journal Article -
6
Numerical investigation of periodic cavitation shedding in a Venturi
Published in The International journal of heat and fluid flow (01-04-2017)“…•A self-sustained oscillating cavitation pocket developing along a Venturi is computed and compared with experimental results.•One fluid compressible RANS…”
Get full text
Journal Article -
7
Simulation of Compressible Two-Phase Flows Using a Void Ratio Transport Equation
Published in Communications in computational physics (2018)“…A compressible and multiphase flows solver has been developed for the study of liquid/gas flows involving shock waves and strong expansion waves leading to…”
Get full text
Journal Article -
8
Large Eddy Simulations on Vertical Axis Hydrokinetic Turbines - Power coefficient analysis for various solidities
Published in Renewable energy (01-03-2020)“…Large Eddy Simulations (LES) are performed on a Vertical Axis Hydrokinetic Turbine (VAHT) at two different solidities, so as to enable a more complete physical…”
Get full text
Journal Article -
9
Numerical study of turbulent cavitating flows in thermal regime
Published in International journal of numerical methods for heat & fluid flow (01-01-2017)“…Purpose The aim of this work is to quantify the relative importance of the turbulence modelling for cavitating flows in thermal regime. A comparison of various…”
Get full text
Journal Article -
10
A pressure-corrected Immersed Boundary Method for the numerical simulation of compressible flows
Published in Journal of computational physics (01-12-2018)“…The development of an improved IBM method is proposed in the present article. This method roots in efficient proposals developed for the simulation of…”
Get full text
Journal Article -
11
Comparison of multiphase models for computing shock-induced bubble collapse
Published in International journal of numerical methods for heat & fluid flow (19-06-2020)“…Purpose The purpose of this paper is to quantify the relative importance of the multiphase model for the simulation of a gas bubble impacted by a normal shock…”
Get full text
Journal Article -
12
Simulation of shock-induced bubble collapse using a four-equation model
Published in Shock waves (01-01-2019)“…This paper presents a numerical study of the interaction between a planar incident shock wave with a cylindrical gas bubble. Simulations are performed using an…”
Get full text
Journal Article -
13
Large Eddy Simulations on a pitching airfoil: Analysis of the reduced frequency influence
Published in Computers & fluids (15-01-2018)“…•LES on a pitching NACA0012 airfoil for various reduced frequencies are performed.•The lift coefficient drop is delayed with the increase of the reduced…”
Get full text
Journal Article -
14
A comparative study of cavitation models in a Venturi flow
Published in European journal of mechanics, B, Fluids (01-01-2015)“…This paper presents a numerical study of an aperiodic cavitation pocket developing in a Venturi flow. The mass transfer between phases is driven by a void…”
Get full text
Journal Article -
15
On numerical simulation of cavitating flows under thermal regime
Published in International journal of heat and mass transfer (01-02-2017)“…•Inception of thermal regime appears very early especially for thermosensitive liquids.•This enable to consider thermal controlled bubble growth to describe…”
Get full text
Journal Article -
16
About the uncertainty quantification of turbulence and cavitation models in cavitating flows simulations
Published in European journal of mechanics, B, Fluids (01-09-2015)“…Prediction in numerical simulation of turbulent cavitating flows is strongly influenced by the presence of several empirical coefficients. The aim of the…”
Get full text
Journal Article -
17
Modeling for non isothermal cavitation using 4-equation models
Published in International journal of heat and mass transfer (01-09-2014)“…A compressible, two-phase, one-fluid solver has been developed to investigate the behaviour of cavitation models including thermodynamic effects. The code is…”
Get full text
Journal Article -
18
Modelling for isothermal cavitation with a four-equation model
Published in International journal of multiphase flow (01-02-2014)“…•A new mass transfer formulation is proposed as source term of a 4-equation model.•A low Mach number preconditioning algorithm is introduced.•Validations on…”
Get full text
Journal Article -
19
Compressible effects modeling in turbulent cavitating flows
Published in European journal of mechanics, B, Fluids (01-05-2013)“…A compressible, multiphase, one-fluid RANS solver has been developed to study turbulent cavitating flows. The interplay between turbulence and cavitation…”
Get full text
Journal Article -
20
Numerical simulation of cavitating flows with homogeneous models
Published in Computers & fluids (01-10-2009)“…The simulation of cavitating flows is a challenging problem both in terms of modelling the physics and developing robust numerical methodologies. Such flows…”
Get full text
Journal Article