The ERCOFTAC Bulletin

This is an informal communication platform where new scientific and engineering trends are published. The Bulletin is free to members in electronic and printed form.

Alternate issues of the Bulletin are devoted to a special scientific theme; these special issues provide a snapshot of the state-of-the-art of research in a particular FTAC domain.

The Bulletin contains news from the ERCOFTAC Association, reports from Pilot Centers and Special Interest Groups, and, an Agenda announcing activities such as workshops, training schools, conference and meetings.

ERCOFTAC Members can access the bulletins in PDF form by clicking here.

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Bulletin 121

Progress in RANS-based Scale-Resolving Flow Simulation Methods II S. Jakirlic RANS-based Sub-scale Modelling in Eddy-resolving Simulation Methods S. Jakirlic, M. Bopp, C-Y. Chang, F. K¨ohler, B. Krumbein, L. Kutej, D. Kutemeier, I. Maden, R. Maduta, M. Ullrich and S. Wegt and C. Tropea

Bulletin 120

Bulletin 120, September 2019 Table of Contents: Progress in RANS-based Scale-Resolving Flow Simulation Methods S. Jakirlic Detached-Eddy Simulation: Steps towards Maturity and Industrial Value EDRFCM-2019 P. Spalart and M. Strelets Hierarchical Turbulence and Geometry Modelling of

Bulletin 119

Table of Contents: Workshop and Summer School Reports Workshop Astroflu IV co-organised by Henri Benard Pilot Centre and SIG 35 R. Marino, R. Bruno, A. Cadiou, F. Godeferd, A. Salhi and C. Cambon European Drag Reduction and Flow Control Meeting EDRFCM-2019 K-So Choi, D. Gatti and B.

Bulletin 118

Introduction: The Theme issue (118, March 2019) is devoted to the subject of laminar-turbulent transition prediction and flow control. Transition of flow state from laminar to turbulent is associated with significant changes in its structures and characteristics and therefore its prediction is of

Bulletin 117

Table of Contents: Workshop and Summer School Reports: 13th Workshop on Synthetic Turbulence Models Synthetic Flows and Complex Heat and Mass Transfer F.C.G.A. Nicolleau, J. Pozorski, A.F. Nowakowski and T.M. Michelitsch Summer School and Workshop Prague-Sum 2018 “Waves in Flows" T. Bodnar

Bulletin 116

Introduction: The Theme issue (116, September 2018) provides some examples of recent developments in methodological aspects and validation of large-eddy simulation (LES). The increasing complexity of the simulated problems and the use of LES in an engineering context bring new challenges, which

Bulletin 115

Table of Contents: Workshop and Summer School Reports: Report on the 6th International Workshop on Turbulent Combustion of Sprays (TCS 6) D. Roekaerts, E. Gutheil, B. Merci and A. Masri Report on the International Workshop on the Complex Turbulent Flows O. B. Mahjoub and A. Ouadoud

Bulletin 114

Introduction: The latest Theme issue (114, March 2018) is devoted to Geophysical, Environmental and even Astrophysical Flows and one of the common discussed topics is the role of body forces in fluids. The issue contains eleven papers, which concerns some aspect of this topic. The basic aspect that

Bulletin 113

Table of Contents: Workshop and Summer School Reports: Ercoftac Workshop on Direct and Large-Eddy Simulation 11 - DLES ll V. Armenia, J. Frohlich, B. J. Geurts, H. Kuerten and M. V. Salvetti 12th SPHERIC Workshop A. Crespo 12th ERCOFTAC SIG33 Workshop Progress in Flow Instability,

Bulletin 112

Introduction: The latest Theme issue (112, September 2017) is devoted to modelling & simulation in Oil & Gas industry. The issue contains six papers, which concerns some aspect of the key work carried out, from both academia and industry. The subject of interest covers various flow phenomena

Bulletin 106

Transition Modelling Theme Issue on Transition Modelling E. Dick & W. Elsner The Role of Linear Perturbation Methods in Transition Prediction M. W. Johnson On Hypersonic Boundary Layer Transition: Role of Streaks J. Ren and S. Fu Theory and Simulations of Bypass Transition in Two-Fluid

Bulletin 104

Multi-phase Flows Introduction to Special Theme: Multiphase Flows O. H. M. Rodr Viscous Oil-Water Pipe Flows:Flow Patterns, Pressure Gradient and Interfacial Wave Properties M. S. de Castro Sand Ripples in Liquids E. de M. Franklin Optical Methods for Fluid Mechanics

Bulletin 102

Design Optimization Introduction to Special Theme: Design Optimization K. Giannakoglou Optimization in Fluid Mechanics using Adjoint Methods and Evolutionary Algorithms K.C. Giannakoglou, D.I. Papadimitriou, V.G. Asouti, X.S. Trompoukis, E.M. Papoutsis-Kiachagias, K.T. Tsiakas and

Bulletin 100

Erosion Processes Introduction to Special Theme: Erosion Processes V Armenio Numerical Simulation of Coastal Flow And Sediment Transport Over Rippled Beds G. A. Kolokythas, G. A. Leftheriotis and A. A. Dimas Two-phase Flow Modelling for Sediment Transport: Application to

Bulletin 98

“Swirling Flows“ concerning rotation effects Synthesis on the activities of SIG 36 “Swirling Flows“ concerning rotation effects M. Braza and P. Bontoux Breakdown of the Swirling Wake Behind a Wind Turbine M. Carrion, M. Woodgate, R. Steijl, and G.N. Barakos Indeterminate Regime in

Bulletin 96

Reactive Flows and Combustion A Stress-Strain Lag Eddy Viscosity Model for Variable Density Flow M. Assad R. Prosser, A. Revell and B. Sapaos Report on the 13th An Evolution Equation for Flame Turbulence Interaction in Premixed Turbulent Combustion U. Ahmed, R. Prosser and A. J. Revell

Bulletin 94

Plasma Aerodynamics PLASMAERO European Project D. Caruana, C. Tropea, C. Hollenstein,J-P Boeuf, E. Moreau Surface Dielectric Barrier Discharge Plasma Actuators E. Moreau, A. Debien, N. BENARD, T. Jukes, R. Whalley, K.S. Choi, A. Berendt, J. Podlinski and J. Mizeraczyk Nanosecond Pulsed

Bulletin 92

Synthetic Turbulence Models Randomisation and Phase Coherence in Quasi-Homogeneous Turbulence, and Interactions C Cambon Manufactured Turbulence with Langevin Equations A. A. Mishra and D. Girimaji Subgrid-scale Statistics in Synthetic Helical Turbulent Fields Generated by the

Bulletin 90

Aeroacoustics Direct Numerical Simulation of Airfoil Self-Noise R. D. Sandberg and L. E Jones Broadband Shock-Associated Noise in Screeching and Non-Screeching Underexpanded SUpersonic Jets B. André, T. Castelain and C. Bailly Impact of Homogeneous Density Distributions on Acoustic Sources in

Bulletin 88

Multipoint Turbulence Structure and Modelling Multipoint Turbulence Structure and Modelling C. Cambon Kolmogorov’s Theory: K41 or K62? W.C. McComb Interfaces in Turbulence and Implications for Advanced Modeling Methods I. Eames, J.C.R. Hunt, M. Braza, C.B. da Silva, J. Westerweel

Bulletin 86

Fluid Structure Interaction Editorial - Fluid Structure Interaction E. Longatte, M. Braza Immersed Stress Method for Solving Fluid-Structure Interaction E. Hachem, S. Feghali, T. Coupez A General Partitioned Fluid Structure Interaction Model for Non-Matching Unstructured Mesh K. Suresh, A.

Bulletin 84

Fibre Suspension Flows Editorial - Fibre Suspension Flows F.Lundell and J. Hämäläinen DNS of Non-Spherical Particles in Turbulent Flows H.I. Andersson and L. Zhao Electrical Resistance Tomography Technique in Pulp and Paper Industry L. Heikkinen, J. Kourunen, P. Paananen, K. Peltonen, J.

Bulletin 82

Dispersed Multiphase Flow Dispersed multiphase flow: From microscale to macroscale numerical modelling M Sommerfeld Direct numerical simulation of high Schmidt number mass transfer from air bubbles rising in liquids using the Volume-of-Fluid-Method A Alke, D Bothe, M Kröger, B Weigand, D

Bulletin 80

Transition Modelling Editorial E Dick, W Elsner DNS of transition in turbomachinery J Wissink Laminar-turbulent transition in boundary layers on axial turbomachine blades G J Walker, J P Gostelow Turbulent spots detection during boundary layer by-pass transition P Jonas, W Elsner, O Mazur,

Bulletin 78

Environmental Fluid Mechanics Editorial B J Geurts LES for modelling the urban environment I P Castro, Z-T Xie LES based urban dispersal predictions for consequence management F Grinstein, R Bos, T Dey Atmospheric turbulent reacting flows influenced by shallow cumulus: A large eddy

Bulletin 76

Smoothed Particle Hydrodynamics Smoothed-particle hydrodynamics emerges in CFD mainstream D Violeau, N J Quinlan Exact kernel integration in smoothed particle hydrodynamics M Basa, N J Quinlan, M Lastiwka Visualisation and analysis of SPH data J Biddiscombe, D Graham, P Maruzewski, R Issa

Bulletin 74

Laminar-Turbulent Transition Editorial A. Hanifi In-flight investigation on Tollmien-Schlichting waves and receptivity on laminar airfoils I Peltzer, W Nitsche, A Seitz, M Weismüller, C Tropea Receptivity of three-dimensional boundary layers to surface roughness E Piot, L-U Schrader

Bulletin 72

Wall Modelling in LES: Method Development and Application Editorial S. Jakirlic Atmospheric Boundary Layers over Rough Terrain M. Abouali, B. J. Geurts, A. Gieske Wall Models for LES of Separated Flows M. Breuer Hybrid LES-RANS: Estimating Resolution Requirements using Two-Point Correlations

Bulletin 70

Turbulence in Compressible Flows Editorial P. Comte Compressible Turbulence of supersonic Flows: Actions and Interactions J.-P. Dussauge Compressible Mixing Layers: Data Analysis and Modelling B. Aupoix, H. B é zard Is Compressibility Always Stabilizing and Why? Open Issues C. Cambon, L.

Bulletin 68

Bio-Fluids Editorial A.A. van Steenhoven Biomechanics of Aquatic Micro-Organisms T.J. Pedley On the Geometry Dependence of the Nose Flow I. Hoerschler, W. Schr ö der Blood Flow Measurements in Micro-Vessels P. Vennemann, M. Pourquie, J. Westerweel Geometrical Multiscale Modelling in the

Bulletin 66

Design Optimisation Editorial R. Schilling, F. Menter Adjoint Flow Solvers for Aerodynamic Shape Optimization N.R. Gauger Design Optimization Tools Based on Evolutionary Algorithms, Computational Intelligence and the Adjoint Method K.C. Giannakoglou, A.P. Giotis, M.K. Karakasis, D.I.

Bulletin 64

Reactive Flow Predictions and Validation Editorial A. Turan Criteria for Experimental Data of Turbulent Premixed Flames for Numerical Model Validation F. Dinkelacker Optimization of Global Reaction Mechanisms for Self-Ignition of Hydrocarbon Fuels at Elevated Preheat Temperature C. Heinz, M.

Bulletin 62

New Development in Numerical Methods for CFD Editorial Ch. Hirsch and D. Laurence Future Trends in the Industrial Practice on CFD A.G. Hutton Improved Numerical Methods for CFD Solutions on Unstructured Meshes C. Choudhury, S.E. Kim, B.P. Makarov, C. Carey Industrial CFD and Hexahedral Based

Bulletin 60

Numerical Simulation of Complex Atmospheric Boundary Layer Flows Problems T. Bodnar, K. Kozel, I. Sladek, Ph. Fraunie Formulation of Lagrangian Stochastic Models for Geophysical Turbulent Flows A. Maurizi, F. Tampieri Inertial Instability in Oceanic Flows J.L. Pelegri, M. Auladell, A.W.

Bulletin 58

Aeroacoustics Editorial B.J. Boersma Research in Aeroacoustics at the Centre Acoustique of Ecole Central de Lyon D. Juv é High Speed Jet Noise Suppression using Microjets A. Krothapalli, B. Greska Aeroacoustics Investigations at the University of Erlangen M. Breuer, S. Becker, M.

Bulletin 56

Complex Flow Problems Editorial I.Eames, J.C.R.Hunt Using Wake Disappearance to Guide CFD of Tube Bundle Flows C. Mouline, J.C.R. Hunt, F.T.M. Nieuwstadt CFD and Complex Flows Through Multiple Bodies Ian P. Jones LES of Flow Over Multiple Tubes T. Stoesser, F. Mathey, J. Froelich, W. Rodi

Bulletin 54

Transition Modelling Transpreturb - Thematic Network Activities 1998-2002 M. Savill, E. Dick, K. Hanjalic, P. Voke, F. Pittaluga Transition Modelling With an Intermittency Transport Equation K. Lodefier, E. Dick Predicting Wake-Passing Transition in Turbomachinery Using an

Bulletin 52

Fluid Dynamics Databases Databases for the 21st Century: Distibuted Information Base For Engineering and Environmental Fluid Dynamics P. R. Voke The FLOWNET Database Project M. Marini, J.-A. Desideri, F. Grasso and J. Periaux European Spatio-Temporal Data Infrastructure for High-Performance

Bulletin 50

Parallel Computing in CFD Efficient Parallel Preconditioning of Compact Finite Volume Solvers P. Angot and S. Kortas Parallelization of 3D Solver for Incompressible Flows in a Cylinder O. Bessunov, D. Foug è re and B. Roux DNS of 3D-Transition in the Flow Around a Wing by a Parallel

Bulletin 48

Modern Simulation Strategies for Turbulent Flow A Review of Progress on Direct and Large-Eddy Simulation N.D. Sandham Deconvolution Methods for Subgrid-Scale Approximation in LES N.A. Adams, S. Stolz The Subgrid-Scale Estimation Model for Decaying Isotropic Turbulence P.P. Yee, J.A.

Bulletin 46

Eddy Structures Identification Recent Developments in Pattern Recognition Approaches for Eddy Identification G.A. Kopp, A. Arenas, J. Ferre-Gin é and F. Giralt Spectra and Eddy Structure J.C.R. Hunt and J.C. Vassilicos CVS Filtering and Computation of Turbulent Mixing Layers Using

Bulletin 44

Turbulence Control Control of Turbulent Wall Flows J. Jim é nez, A. inelle and M. Uhlmann Drag Reduction Research at the University of Nottingham K.-S. Choi DNS of Bounded Flows with Manipulated Walls P. Orlandi, S. Leonardi On STreaks in Free-stream Turbulence Induced

Bulletin 42

Experimental and Numerical Analysis of Turbomachinery Flows Selected Turbomachinery Research Topics at the Von Karman Institute T.J. Craft, H. Iacovides and B.E. Launder Validation Testing of CFD Techniques for Turbomachinery Flows D.G. Gregory-Smith and S. Aubert Turbomachinery Research

Bulletin 40

Turbulence Closure Modelling Turbulence Modelling and Model Validation for Engineering Flows M.A. Leschziner, D. Drikakis, D.D. Apsley, B. Barakos, B. Batten, W.L. Chen and H. Loyau Turbulence Modelling at ONERA/DMAE B. Aupoix Turbulence Modelling Research at UMIST T.J. Craft, H.

Bulletin 38

Turbulent Engine Combustion Optical Diagnostics in Gas Turbine Burners A. Arnold, R. Bombach, W. Hubschmid and B. K?ppeli Research on Turbulent Engine Combustion K. Boulouchos, B. Ineichen and M.K. Eberle Swedish Center of Excellence in Internal Combustion Engines A. Karlstr ö m

Bulletin 36

Modelling of Dispersed Turbulent Two-phase Flows Lagrangian Scheme for Particle Tracking in Non-isotropic Turbulence A. Berlemont, Z. Chang and G. Gouesbet Efficient Stochastic-Probabilistic Modeling of Dilute Turbulent Two-Phase Flows X.-Q. Chen and J.C.F. Pereira Transport and Deposition of

Bulletin 34

Problems of Turbulence in Supersonic Flows: A European View Compressibility and Low-Rexnolds Modelings in k-e Calculations of Wall Bounded Shear Flows R. Arina and H. Guillard Compressibility Effect on the 2D and 3D Vortex Structures in a Transonic Flow around a Wing A. Bouhadji and M. Braza

Bulletin 32

Transition and Turbulence in Flows Affected by Centrifugal and / or Coriolis Forces Rotation and Curvature Effects on Channel Flows P.H. Alfredsson Research at the LMFA on Turbulent and Transitional Flows Affected by Coriolis and Centrifugal Forces C. Cambon Three-dimenisional

Bulletin 30

Particle Image Velocimetry The Need for Advanced Flow Measurement Techniques in Europe D. Kn ö rzer GARTEUR Activity on PIV: AD (AG19) Action Group on the Applicability of PIV to Large Scale Wind Tunnels M. Stanislas EUROPIV: A Cooperative Action to Apply Particle Image Velocimetry

Bulletin 28

Flow in Porous Media Local Porosity Theory for the Transition from Microscales to Macroscales in Porous Media R. Hilfer, B. Virgin and T. Rage Modelling of Transport Phenomena in Porous Media. The Discrete Approach M. Prat, P. Schmitz and S. Bories From Inverse Problem to Reactive

Bulletin 26

Aerodynamics of Steady State Combustion Chambers and Furnaces Numerical Simulation of Low NOx Buerners: A practical Tool for Industrial Design P. Flamant Simultaneous Velocity and Temperature Measurements in a Non-Premixed Bluff-Body Flame F. Neveu, F. Corbin, M. Trinit é and M. Perrin A

Bulletin 24

Transition Transition Modelling for Turbomachinery Flows J. Coupland Modelling the Transition Region J.P. Gostelow Modelling the Transition: Experimental and Numerical Studies A. Goulas, N. Kyriakides and K. Yakinthos Intermittency Distribution in Attached and Separated Boundary Layers

Bulletin 22

Large Eddy Simulations Introduction to Large Eddy-Simulation M. Lesieur Structure-Function-Based Models for Compressible Transitional Shear Flows P. Comte Dynamic Models M. Germano LES of Pipe Flow R. Friedrich and F.T.M. Nieuwstadt Large-Eddy Simulation of Turbulent Flow through

Bulletin 20

Turbulent Combustion Modelling Mathematical Models of Combustion and their Experimental Validation D. Bradley A Review of Turbulent Combustion Modeling S. Candel, D. Veyante, F. Lacas, N. Darabiha, M. Baum and T. Poinsot Modelling of Combustion in SI Engines with the Coherent Flamelet Model

Bulletin 18

Parallel Computing in CFD Towards an Integrated Parallelization Concept in Computational Fluid Dynamics H. Friz and S. N ö lting Parallel Computations in France West Y. Lebret, M. Nabarra, L. vervisch, Y. Escaig and D. Vandromme Parallelization of the Method of Characteristics on a CRAY

Bulletin 16

Environmental Flows Atmospheric Boundary Layer Simulations with the Transient Turbulence and the Exchange Coefficient Methods: A Comparison J. Cuxart and P. Bougeault Large Eddy Simulations of Atmospheric Flows J.-P. Chollet Large Eddy Simulations of Atmospheric Boundary Layers over Heated

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Bulletin 00

Bulletin 00, May 1992 ERCOFTAC Bulletin Special Issue - Pilot Centres (PC) Belgium Belgium Pilot Centre Netherlands Dutch J.M. Burgers Pilot Centre France P.E.P.I.T. Pilot Centre France South Pilot Centre France West Pilot Centre Germany Aachen Pilot Centre Germany Sauth Pilot Centre