Componentality of the Reynolds stress tensor spectral contributions in anisotropic turbulence (YSA)

Arthur Couteau^1,2, Patrick Jenny²

1: Automotive Powertrain Technologies Laboratory, Swiss Federal Laboratories for Materials Science and Technology (Empa); 2: Institute of Fluid Dynamics, ETH Zürich

Ensemble modeling of large-scale intermittency in turbulence (YSA)

Lukas Bentkamp, Michael Wilczek

Theoretical Physics I, University of Bayreuth, Universitätsstr. 30, 95447 Bayreuth, Germany

Helical Turbulence - Bridging the Gap between 2D and 3D Turbulence (YSA)

Schahin Akbari, Martin Oberlack

Chair of Fluid Dynamics, Technische Universität Darmstadt, Germany

Structure and role of the pressure Hessian in regions of strong vorticity in turbulence

Pingfan Yang¹, Haitao Xu², Alain Pumir³, Guowei He¹

1: The State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China; 2: Center for Combustion Energy and School of Aerospace Engineering, Tsinghua University, 100084 Beijing, China; 3: Laboratoire de Physique, Ecole Normale Superieure de Lyon, CNRS Universite de Lyon, Lyon, F-69007 France

A length scale for non-local multi-scale gradient interactions in isotropic turbulence

Miguel P. Encinar

Universidad Carlos III de Madrid

A predictability-based characterization of intermittency in turbulence

Ewen Frogé^1,2, Carlos Granero Belinchón^1,2, Stéphane Roux³, Nicolas Garnier³, Thierry Chonavel¹

1: Department of Mathematical and Electrical Engineering, IMT Atlantique, Lab-STIC; 2: Odyssey, Inria/IMT Atlantique; 3: Univ Lyon, ENS de Lyon,

Anomalous dissipation in 3D isotropic incompressible Navier-Stokes flow

Georgy Zinchenko, Vladyslav Pushenko, Jörg Schumacher

Technische Universität Ilmenau

Assessment of the stretched exponential functions describing extreme dissipation and enstrophy

Gerrit Elsinga¹, Takashi Ishihara²

1: Delft University of Technology; 2: Okayama University

Dynamics of the triad phases in minimal shell models of hydrodynamic turbulence

T. J. O'Brien, Enda Carroll, Miguel Bustamante

School of Mathematics and Statistics, University College Dublin

Hidden Turbulence in Porous Media Flows

Yongxiang Huang¹, Yinxiang Ma¹, Bicheng Chen¹, Xiling Xie²

1: State Key Laboratory of Marine Environmental Science & College of Ocean and Earth Sciences, Xiamen University, Xiamen, China; 2: Department of Aeronautics and Astronautics, Fudan University, Shanghai, China

Correlation of helicity with coherent structures for scalar transport in channel flow

Dimitrios V. Papavassiliou, Oanh L. Pham

The University of Oklahoma, School of Sustainable Chemical, Biological and Materials Engineering

Fronts of a passive scalar identified as diffusion barriers

Javier Sierra-Ausin, Alain Pumir

Laboratoire de Physique (UMR CNRS 5672) ENS de Lyon; 46, allee d’Italie

Lagrangian investigation of wind turbine wakes at high Reynolds numbers (YSA)

Lorenn Le Turnier, Christian Küchler, Claudia E. Brunner

Max Planck Institute for Dynamics and Self-Organization, Göttingen Germany

Non-Gaussian statistics of relative dispersion in rotating-stratified turbulence (YSA)

Sebastian Gallon¹, Fabio Feraco^2,3, Raffaele Marino², Alain Pumir^1,4

1: ENS de Lyon and CNRS, Laboratoire de Physique, UMR 5672, F-69342 Lyon, France; 2: École Centrale de Lyon and CNRS, Univ Claude Bernard Lyon 1, UMR 5509, F-69134 Écully, France; 3: Leibniz-Institute of Atmospheric Physics at the Rostock University, Kühlungsborn, Germany; 4: Max Planck Institute for Dynamics and Self-Organization, 37077 Göttingen, Germany

Surprising aspects of Lagrangian dispersion in shock-dominated turbulence (YSA)

Sadhitro De¹, Dhrubaditya Mitra², Rahul Pandit¹

1: Department of Physics, Indian Institute of Science, Bangalore 560012, India; 2: NORDITA, KTH Royal Institute of Technology and Stockholm University, Hannes Alfvéns väg 12, 10691 Stockholm, Sweden

An enstrophy-based analysis of the Kolmogorov-Hinze scale in turbulent fragmentation

Mahdi Saeedipour, Simon Schneiderbauer

Department of Particulate Flow Modelling, Johannes Kepler University

Universal alignment in turbulent pair dispersion

Alesandro Gambino, Ron Shnapp

Ben Gurion University of the Negev

A linear stochastic model to predict bubble breakup in turbulence (YSA)

Aliénor Rivière, Stéphane Perrard

PMMH, ESPCI, CNRS, 75005, Paris

How small droplets form in turbulent multiphase flows (YSA)

Marco Crialesi Esposito¹, Guido Boffetta², Luca Brandt³, Sergio Chibbaro⁴, Stefano Musacchio¹

1: DIEF, University of Modena and Reggio Emilia, 41125 Modena, Italy; 2: Dipartimento di Fisica and INFN, Universita degli Studi di Torino, via P. Giuria 1, 10125 Torino, Italy.; 3: Department of Environmental, Land and Infrastructure Engineering, Politecnico di Torino, Turin, Italy; 4: Universite Paris-Saclay, CNRS, LISN, 91400 Orsay, France

Viscosity influence on heat transfer in drop-laden turbulence (YSA)

Francesca Mangani¹, Alessio Roccon^1,2, Francesco Zonta¹, Alfredo Soldati^1,2

1: Institute of Fluid Mechanics and Heat Transfer, TU Wien; 2: Polytechnic Department of Engineering and Architecture, University of Udine

Coagulation of droplets drives turbulence in binary fluid mixtures

Vikash Pandey¹, Akshay Bhatnagar², Prasad Perlekar³, Dhrubaditya Mitra¹

1: Nordita, KTH Royal Institute of Technology and Stockholm University, Hannes Alfvens vag 12, 106 91 Stockholm, Sweden; 2: Department of Physics, Indian Institute of Technology, Palakkad, 678623, India; 3: Tata Institute of Fundamental Research, Gopanpally, Hyderabad 500046, India

Computational Modelling of Flow Dynamics in Industrial Spray Drying

Suharto Saha¹, Florian Klöppner¹, Manuel Münsch¹, Daniel Krause², Frederik Füchsle³, Markus Lübbers², Katharina Kreitz³, Andreas Wierschem¹

1: Lehrstuhl für Strömungsmechanik, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany; 2: Lübbers Anlagen und Umwelttechnik GmbH, Am Fliegerhorst 19, 99947 Bad Langensalza, Germany; 3: Vectoflow GmbH, Friedrichshafener Str. 1, 82205 Gilching, Germany

Direct numerical simulation of bubble collision, bounce and coalescence in bubble-induced turbulence

Yan Jin, Christian Weiland, Marko Hoffmann, Michael Schlüter

Hamburg University of Technology

DNS of shear turbulence interacting with a melting-freezing ice layer

Diego Perissutti¹, Francesco Zonta², Alessio Roccon^1,2, Cristian Marchioli¹, Alfredo Soldati^2,1

1: University of Udine, Polytechnic Department of Engineering and Architecture; 2: Vienna University of Technology, Institute of Fluid Mechanics and Heat Transfer

Enhanced transport of long fibres by pole vaulting in turbulent wall-bounded flow

Christophe Brouzet¹, Jérémie Bec^1,2, Christophe Henry²

1: Université Côte d'Azur, CNRS, Institut de Physique de Nice, France; 2: Université Côte d'Azur, Inria, CNRS, Calisto team, Sophia Antipolis, France

Dispersion of bubbles in an initially quiescent liquid

Tian Ma¹, Shiyong Tan², Hendrik Hessenkemper¹, Dirk Lucas¹, Rui Ni², Andrew D. Bragg³

1: Helmholtz-Zentrum Dresden – Rossendorf; 2: Johns Hopkins University; 3: Duke University

Small inertial particles in wall turbulence must lift correctly

Pedro Costa¹, Wei Gao², Matteo Parsani², Pengyu Shi^3,4

1: Delft University of Technology; 2: King Abdullah University of Science and Technology; 3: Institut de Mécanique des Fluides de Toulouse; 4: Helmholtz-Zentrum Dresden-Rossendorf

Spectral analysis of a forced turbulent bubbly flow

Alan Burlot¹, Gabriel Ramirez^1,2, Rémi Zamansky², Guillaume Bois¹, Frédéric Risso²

1: Université Paris-Saclay, CEA, Service de Thermo-hydraulique et de Mécanique des Fluides, 91191, Gif-sur-Yvette, France; 2: Institut de Mécanique des Fluides de Toulouse (IMFT), Université de Toulouse and CNRS, Toulouse, France.

Spray formation mechanisms from moderate to high gas Weber numbers probed by visible light and Synchrotron X-ray high-speed imaging

Nathanaël Machicoane¹, Santanu Kumar Sahoo¹, Alexander Rack²

1: Univ. Grenoble Alpes, CNRS, Grenoble INP, LEGI, 38000 Grenoble, France; 2: ESRF - The European Synchrotron, 38000 Grenoble, France

A compact model for district-heating networks with dynamic operating conditions

Michel Speetjens, Mengting Jiang, Camilo Rindt, David Smeulders

Eindhoven University of Technology, Mechanical Engineering, Energy Technology

A Novel Computational Framework for the Analysis of Incompressible Two-Way Coupled Fluid Structure Interaction

Yuri Feldmann, Kirill Goncharuk, Oz Oshri

Ben Gurrion University

An efficient immersed boundary method for particle-resolved simulations of neutrally-buoyant particles of arbitrary shape

Maximilian Schenk¹, Manuel García-Villalba¹, Markus Uhlmann², Manuel Moriche¹

1: Institute of Fluid Mechanics and Heat Transfer, TU Wien, Vienna, Austria; 2: Institute for Hydromechanics, Karlsruhe Institute of Technology, Karlsruhe, Germany

Application of a domain decomposition method in the direct numerical simulation of thermal convection with boiling

Hongru Li, Miltiadis V. Papalexandris

Université Catholique de Louvain

Applying generalized tangent vectors to steady-state solutions to the Euler equations

Alexander Fleming¹, Michael Herty², Siegfried Müller², Uwe Naumann¹, Gidon Bauer¹

1: Software and Tools for Computational Engineering; RWTH Aachen University; 2: Institute for Geometry and Practical Mathematics; RWTH Aachen University

Can we leapfrog the NSE solver a hundred fold ? An early assesment of the very high order Multi-Moment Method

Arpiruk Hokpunna

Chiang Mai Univeristy

CFD modelling of thermal phase change in compressible two-phase flows with machine learning model for temperature prediction

Gokul Siddarth Mani Sakthi, Laila Abu-Farah, Natalie Germann

Process Systems Engineering, University of Stuttgart, Böblingerstraße 78, 70199 Stuttgart, Germany

DG-FEM for flows transitioning from Navier-Stokes to Darcy on domains with arbitrary time-dependent permeability

Benjamin Leon Terschanski, Mohammad Ghanem, Julia Kowalski

RWTH Aachen University, Chair of Methods for Model-based Development in Computational Engineering

High-fidelity numerical simulations of high-speed single- and multi-phase flows with novel ROUND schemes on unstructured grids

Xi Deng, Omar Matar

Department of Chemical Engineering, Imperial College London

High-order methods for compressible multi-phase flow: a comparison of the level-set method and the high-resolution discrete-equations method

Thomas Paula¹, Alexander Bußmann¹, Nikolaus A. Adams^1,2

1: Technical University of Munich, Munich Institute of Integrated Materials, Energy and Process Engineering (MEP); 2: Technical University of Munich, TUM School of Engineering and Design, Chair of Aerodynamics and Fluid Mechanics

Immersed Boundary Method Solver with Vanka Smoother for Efficient Implicit Computations

Kirill Goncharuk, Oz Oshri, Yuri Feldman

Ben-Gurion University of the Negev,

Improvement of Compressibility Correction for the High Convective Mach Number Mixing Layer

Yuyan Tian, Zhenxun Gao, Ke Xu, Fan Mo

National Laboratory for Computational Fluid Dynamics, Beihang University, Beijing, China

Is a direct numerical simulation of Navier-Stokes equations with small enough grid spacing and small enough time-step definitely reliable/correct?

Shijun LIAO¹, Shijie QIN¹, Yu YANG¹, Yongxiang HUANG², Xinyu MEI³, Lipo WANG³

1: Shanghai Jiaotong University, School of Ocean and Civil Engineering, China; 2: State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, China; 3: Shanghai Jiaotong University, UM-SJTU Joint Institute, China

Large/Small Eddy Simulations: A High-Fidelity Simulation Method for High Reynolds Number Turbulent Flows

Arnab Moitro, Chang Hsin Chen, Sai Sandeep Dammati, Alexei Y. Poludnenko

University of Connecticut

Machine Learning Enhanced Collision Operator for the Lattice Boltzmann Method Based on Equivariant Networks

Mario Christopher Bedrunka^1,2, Dirk Reith², Holger Foysi¹

1: Chair of Fluid Mechanics, University of Siegen, Paul-Bonatz-Straße 9-11, 57076 Siegen-Weidenau, Germany; 2: Institute of Technology, Resource and Energy-efficient Engineering (TREE), Bonn-Rhein-Sieg University of Applied Sciences, Grantham-Allee 20, 53757 Sankt Augustin, Germany

Machine-Learning-Based Droplet Shape Prediction in Piezo-Based Drop-on-Demand Inkjet Devices

Ali Reza Hashemi¹, Mohammad R. Hashemi¹, Angela Ares¹, Riccardo Rossi^1,2, Pavel B. Ryzhakov^1,2

1: Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), Gran Capitan, S/N, Barcelona, 08034, Spain; 2: Universitat Politècnica de Catalunya (UPC), North Campus, Barcelona, 08034, Spain

Multishot ice accretion simulations in complex icing environments with an enhanced remeshing framework

Jee Hann Ng, Chien Ming Tay, Yongdong Cui, Siou Chye Chew, Boo Cheong Khoo

National University of Singapore

NUMERICAL AND EXPERIMENTAL INVESTIGATION OF A LONGITUDINAL VORTEX OF A DELTA WING

Elrawy Soliman¹, Tobias Knopp¹, Philip Ströer², Axel Probst¹, Nils Rathje³, Rolf Radespiel³

1: Institute of Aerodynamics and Flow Technology, German Aerospace Center DLR, Göttingen, Germany; 2: Engineering Fluid Dynamics, University of Twente, Enschede, The Netherlands; 3: Institute of Fluid Mechanics, TU Braunschweig, Braunschweig, Germany

Numerical Investigation of Influence of Upstream Components on Sand Erosion and Aerodynamics of 1st-Stage Stator in Low-Pressure Turbine

Mizuki Watanabe¹, Soichiro Fujimura¹, Makoto Yamamoto¹, Masaya Suzuki²

1: Tokyo University of Science; 2: Japan Aerospace Exploration Agency

Robust Gradient-Based Solver for Invariant Solutions to the Navier-Stokes Equations using Resolvent Analysis

Thomas Burton

University of Southampton, University Road, Southampton, SO17 1BJ, UK

Shape Optimization of a Curved Pipe - Simulation and Experiment

Stefan Becker, Eman Bagheri, Christoph Näger, Philipp Schlatter

Institute of Fluid Mechanics, University Erlangen-Nürnberg

Studies of shock impingement and reflection by a new IDDES-SPOM

Yijiang Yang, Zhixiang Xiao

School of Aerospace Engineering, Tsinghua University, China

Systematic grid design in direct numerical simulation

Siavash Toosi, Philipp Schlatter

Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg

Towards Exascale CFD with Spectral Element Methods: Applications and Workflows

Mathis Bode

Forschungszentrum Jülich

Turbulent cascade in polymer solutions

Elena Massarelli, Francesco Serafini, Francesco Battista, Paolo Gualtieri, Carlo Massimo Casciola

Sapienza University of Rome

Simulating convection and boundary layers with logarithmic spatial resolution

Curtis J. Saxton¹, Keaton J. Burns², Rich R. Kerswell³, Steven M. Tobias¹

1: Department of Applied Mathematics, University of Leeds, Leeds LS2 9JT, UK; 2: Department of Mathematics, Massachusetts Institute of Technology, Cambridge, MA, USA; 3: DAMTP, Centre for Mathematical Sciences, Wilberforce Road, Cambridge CB3 0WA, UK

Turbulent Heat Transfer in Tubes with Irregular Roughness: Insights from Wall-Resolved LES at Medium-High Prandtl Numbers

Himani Garg¹, Mohammadreza Kadivar²

1: Department of Energy Sciences, Lund University, Ole Römers vag 1, 221 00 Lund, Sweden; 2: Centre for Precision Engineering Material and Manufacturing Research (PEM Research Centre) & Centre for Mathematical Modelling and Intelligent Systems for Health and Environment (MISHE), Atlantic Technological University, Ash Lane, Sligo, F91 YW50, Ireland

Unstructured space-time meshes for accurate and automated handling of moving boundaries in fluid flow simulation

Marek Behr, Norbert Hosters

Chair for Computational Analysis of Technical Systems, RWTH Aachen University

Wall-resolved large-eddy simulation of turbulent flow over periodic hills at Re = 37000

Manuel Münsch, Philipp Schlatter

Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Institute of Fluid Mechanics, Cauerstrasse 4, 91058 Erlangen, Germany

Quasi-dynamic subgrid-scale kinetic energy equation model for large-eddy simulation of compressible flows

Changping Yu, Han Qi, Xinliang Li

Institute of mechanics, CAS, China

A total-shear-stress-conserved wall model for large-eddy simulation of high-Reynolds number wall turbulence

Huan-Cong Liu, Wei-Xi Huang, Chun-Xiao Xu

Tsinghua University

An a priori analysis of subgrid-scale models for large-eddy simulations (LES) that preserve the symmetries of the Navier-Stokes equations

nadjma akhal, Can Selcuk, Benoit Trouette, Stephane Vincent

Gustave Eiffel university, MSME UMR 8208, 77454 Marne-la-Vallée, France

Influence of structural vibrations represented by pure plunging motion on the aerodynamic loads of an airfoil in high Reynolds number flows using implicit LES

Yannik Feldner, Marcel Blind, Andrea Beck

Institute of Aerodynamics and Gas Dynamics, University of Stuttgart

LES model based on exact two-point equations and evaluation in a Taylor-Green flow

Paul Beaumard^1,2, Jean-Philippe Laval¹, Christos Vassilicos¹

1: DAAA, ONERA, Université Paris Saclay, 92190 Meudon, France; 2: Univ. Lille, CNRS, ONERA, Arts et Metiers Institute of Technology, Centrale Lille, UMR 9014 - LMFL - 6 Laboratoire de Mécanique des Fluides de Lille - Kampé de Fériet, F-59000 Lille, France

Controlling the Viscous-Inertial Transitions in Volume-Imposed Rheometry of Dense Suspensions

Alireza Khodabakhshi, Sudarshan Konidena, Franco Tapia, Bernhard Vowinckel

Technische Universität Dresden, Institute of Urban and Industrial Water Management, Chair of Transport Processes in Hydro Systems

Droplet dynamics in homogeneous isotropic turbulence with the Immersed-Boundary Lattice Boltzmann method

Diego Taglienti, Fabio Guglietta, Mauro Sbragaglia

Department of Physics & INFN, University of Rome "Tor Vergata''

Microstructure of dense suspensions in pressure-imposed rheometry at the viscous-inertial transition

Sudarshan Konidena, Alireza Khodabakhshi, Franco Uribe Tapia, Bernhard Vowinckel

TU Dresden, The Chair of Transport Processes in Hydrosystems, Institute of Urban and Industrial Water Management, Bergstraße 66, 01069 Dresden, Germany

Effects of wall motion reconstruction in numerical simulations of left atrial blood flow

Yvonne Stöcker¹, Christoph Augustin², Manuel Guerrero-Hurtado³, Eduardo Durán⁴, Alejandro Gonzalo⁵, Pablo Martinez-Legazpi⁶, Javier Bermejo⁷, Nazem Akoum⁵, Patrick Boyle⁵, Oscar Flores³, Juan Carlos del Alamo⁵, Manuel García-Villalba¹

1: TU Wien, Austria; 2: Medical University of Graz, Austria; 3: Universidad Carlos III de Madrid, Spain; 4: Universidad de Málaga, Spain; 5: University of Washington, United States; 6: Universidad Nacional de Educación a Distancia, Madrid, Spain; 7: Gregorio Marañón University Hospital, Madrid, Spain

Direct Numerical simulations of wave breaking: spilling versus plunging

Vinod Kumar Kadari, Yashika J. Dhote, Ratul Dasgupta

IIT-Bombay