Turbulence and Interactions: Proceedings of the TI 2018 Conference, June 25-29, 2018, Les Trois-Îlets, Martinique, France

Contents
Keynote Lectures
Fluid-Structure Interactions in Discrete Mechanics
	1 Introduction
	2 Bases of Discrete Mechanics
		2.1 Physical Model of Discrete Approach
		2.2 Geometrical Topologies and Definitions
		2.3 Discrete Motion Equation
	3 Validation of the DM Model
		3.1 Oscillatory Fluid-Solid Interaction
		3.2 Lid-Driven Open Cavity Flow with Flexible Bottom Wall
	4 Towards a Unification of Solid and Fluid Mechanics
	References
HPC and Data: When Two Becomes One
	1 Introduction
	2 HPC (R)evolution
		2.1 When AI Shakes HPC
	3 Rethink HPC: Think Data
		3.1 Data Struggling
		3.2 HPC Community Must Think Data
		3.3 FAIR Data
	4 Conclusion
	References
LES of the Flow Past a Circular Cylinder Using a Multiscale Discontinuous Galerkin Method
	1 Introduction
	2 Governing Equations
	3 The DG-VMS Formulation
	4 DG-VMS of the Flow Past a Circular Cylinder
		4.1 Simulation Results at Re=20000
		4.2 Static p-Adapted Simulation Results at Re=140000
	5 Conclusions
	References
A Volume-of-Fluid Dual-Scale Approach for Simulating Turbulent Liquid/Gas Interactions
	1 Introduction
	2 Governing Equations
		2.1 Filtered Governing Equations
	3 The Dual-Scale Approach to Modeling Sub-filter Interface Dynamics
		3.1 Sub-filter Turbulent Fluctuation Velocity Models
	4 Numerical Methods
		4.1 Comparison Metrics
	5 Results and Discussion
	6 Summary and Conclusions
	References
Influence of Particle Anisotropy and Motility on Preferential Concentration in Turbulence
	1 Introduction
	2 Methodology
	3 Results and Discussion
	4 Conclusions
	References
Reference Solutions and URANS Model Characterization for Turbulent Forced Convection Around Heated Square Cylinders
	1 Introduction
	2 Flow Dynamics of the Selected Test Case
	3 Bibliographical Review for Reference Solution Setting-Up
	4 URANS Models, Flow Configuration and Numerical Methods
	5 Analysis of the Global Quantities and Statistics
	6 Analysis of Thermal and Dynamical Profiles Around the Cylinder
	7 Conclusions
	References
A Convergence Study of the One-Fluid Formulation in a Phase Inversion Application at Moderate Reynolds and Weber Numbers
	1 Introduction
	2 Governing Equations
	3 Numerical Treatment
	4 Computational Domain
	5 Results
	6 Summary and Conclusions
	References
Finite-Volume Filtering in Large-Eddy Simulations Using a Minimum-Dissipation Model
	1 Large-Eddy Simulation
	2 Filter Length of a Finite-Volume Discretization
	3 Separation of Scales
	4 Counterbalancing the Production of Too Small Scales
	5 Eddy Viscosity
	6 Results
	7 Conclusions
	References
Contributed Papers
Simulation of a Particulate Flow in 3D Using Volume Penalization Methods
	1 Introduction
		1.1 The Darcy or L2–Penalty
		1.2 The Viscous or H1–Penalty
	2 Numerical Method to Solve the Problem
	3 Validation Tests and Comparisons
		3.1 Dropping a Ball in a Viscous Fluid
		3.2 A Rigid Rod in a Lid–Driven Cavity
	4 Concluding Remarks
	References
Simulation of a Confined Turbulent Round Jet at Moderate Reynolds Number
	1 Introduction
	2 Confined Turbulent Round Jet at Moderate Reynolds Number
		2.1 Experimental Setup
		2.2 Model and Numerical Methods
		2.3 Large Eddy Simulation (LES) Turbulence Modeling
	3 Results and Discussion
	4 Concluding Remarks
	References
Effect of Very-Large-Scale Motions on One- and Two-Point Statistics in Turbulent Pipe Flow Investigated by Direct Numerical Simulations
	1 Introduction
	2 Numerical Methodology
	3 Results
	4 Conclusion
	References
Large Eddy Simulation of Turbulent Heat Transfer in Pipe Flows of Temperature Dependent Power-Law Fluids
	1 Introduction
	2 Governing Equations and Numerical Procedure
	3 Results and Discussion
		3.1 Mean Velocity and RMS Profiles
		3.2 Temperature, RMS and Turbulent Heat Fluxes
		3.3 Visualizations
	4 Conclusions
	References
The Flow Around a Surface Combatant at 10 Static Drift: Assessment of Turbulence Models
	1 Introduction
	2 ISIS-CFD at Glance
	3 Results
	4 Conclusions
	References
Experiments and Large Eddy Simulations on Particle Interaction with a Turbulent Air Jet Impacting a Wall
	1 Introduction
	2 Analysis of the Impinging Plane Air Jet, Without Particle
		2.1 Experimental Facility and Method
		2.2 Flow Configuration, LES Model and Numerical Methods
		2.3 Result Discussion for an Air Jet Without Particle
	3 Analysis of the Jet/Particles Interaction
		3.1 Experimental Facility and Particle Generation (Spinning Disk)
		3.2 Configuration and Parameters of the Jet/Particle Simulations
		3.3 Result Discussion for an Air Jet with Particle Injection
	4 Conclusions
	References
A Review of Geometrical Interface Properties for 3D Front-Tracking Methods
	1 Introduction
	2 Geometrical Interface Properties
		2.1 The Meyer et al. Approach
		2.2 The Frenet Approach
	3 Simulations and Results
	4 Remarks and Conclusion
	References
Soft-Sphere DEM Simulation of Coarse Particles Transported by a Fully Developed Turbulent Gas Vertical Channel Flow
	1 Introduction
	2 General Description
		2.1 Flow Configuration
		2.2 Averaging of Physical Quantities
	3 Particle Dynamics: Lagrangian Simulation
		3.1 The Equations of Motion
		3.2 Collision Model
		3.3 Collision Parameters
		3.4 Numerical Parameters
	4 Simulation Results and Discussions
	5 Conclusion
	References
Rod-Bundle Thermalhydraulics Mixing Phenomena: 3D Analysis with Cathare-3 of ROSA-2/LSTF Experiment
	1 Introduction
	2 The CATHARE Code and its 3D Module
	3 LSTF and the ROSA-2 Test 3
	4 Comparison Between CATHARE and LSTF
	5 Conclusions
	References
Sensitivity of Approximate Deconvolution Model Parameters in a Posteriori LES of Interfacial Turbulence
	1 Introduction
	2 Numerical Methodology
		2.1 Description of ADM-VOF Approach
		2.2 Explicit Filter Operation
	3 Results and Discussion
	4 Conclusion
	References
Time-Resolved High-Density Particle Tracking Velocimetry of Turbulent Rayleigh-Bénard Convection in a Cubic Sample
	1 Introduction
	2 Experimental and Synthetic Setup
	3 High-Density PTV
		3.1 Three Dimensional Particle Tracking
	4 Synthetic Case
	5 Experimental Case
	6 Conclusion
	References
Sub-grid Deconvolution Approach for Filtered Two-Fluid Models and the Application to Fluidized Gas-Particle Suspensions
	1 Introduction
	2 Filtered Two-Fluid Model
	3 Case Setup
	4 Results and Discussion
	5 Conclusions
	References
A Front-Tracking Method for Multiphase Flows with a Sharp Interface Representation
	1 Introduction
	2 The Front-Tracking Method
		2.1 Base Components of the Front-Tracking Method
		2.2 Volume Conservation
	3 A Marker Advection Method Based on the Jump Relations at the Interface
	4 Bubble Rising Test Case
	5 Conclusion
	References
Bayesian Estimation of Turbulent Flow Intermittency
	1 Introduction
	2 Data Description
	3 Causal Log-Normal Cascade Model
		3.1 Model Definition
		3.2 Estimating the Intermittency Parameter
	4 Multilevel Intermittency Model
	5 Estimation of the Multilevel Intermittency Model
		5.1 Procedure
		5.2 Application to JHTDB Datasets
	6 Conclusion
	References
Lagrangian Scheme for Scalar Advection-Diffusion. Application to Pollutant Transport
	1 Introduction
	2 Model and Numerical Methods
	3 Advection-Diffusion of a Concentration Peak
	4 Injection of a Pollutant in a Cavity
	5 Concluding Remarks
	References
Spreading Time of Liquid Droplets Impacting on Non-wetting Solid Surfaces
	1 Introduction
	2 The Dependence of tmax on Weber and Reynolds Number
	3 Conclusions and Remarks
	References
Author Index