The role of tail stiffness for a bioinspired undulatory robot (YSA)

Alexandros Anastasiadis, Louise Cayroche, Auke J Ijspeert, Karen Mulleners

Ecole Polytechnique Federale de Lausanne, STI

The role of aspect ratio and mass ratio in the dynamics of flapping flags (YSA)

Gaétan Raynaud, Karen Mulleners

Institute of Mechanical Engineering, École polytechnique fédérale de Lausanne (EPFL), Lausanne, Switzerland

Stability prediction of a tandem of freely oscillating cylinder for energy harvesting. (YSA)

Théo Mouyen^1,2, Flavio Giannetti¹, David Fabre²

1: Dipartimento di Ingegneria (DIIN),Universitá degli Studi di Salerno, Fisciano 84084, Italy; 2: Institut de Mécanique des Fluides de Toulouse (IMFT), Toulouse 31400, France

Slippery ellipsoidal particles under viscous shear (YSA)

Catherine Kamal, Eric Lauga

Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge CB3 0WA, United Kingdom

Windsurf-mimetic study about unsteady propulsion.

Gauthier Bertrand, Ramiro Godoy-Diana, Benjamin Thiria, Marc Fermigier

Laboratoire de Physique et Mécanique des Milieux Hétérogènes (PMMH, ESPCI-PSL, CNRS, Sorbonne Université, Université Paris-Cité)

U-shaped disks in Stokes flow: Chiral sedimentation of non-chiral particles

Matthias Heil¹, Christian Vaquero-Stainer^1,2, Draga Pihler-Puzovic¹, Tymoteusz Miara¹, Anne Juel¹

1: University of Manchester, UK; 2: OIST Graduate University, Japan

Transient energy growth in channel flow with compliant walls

Frédéric Alizard, Benoît Pier

LMFA - Laboratoire de mécanique des fluides et d'acoustique (CNRS-École centrale de Lyon, Université Claude Bernard Lyon 1, INSA Lyon)

The wake of a surface swimming snake

Ramiro Godoy-Diana¹, Vincent Stin^1,2, Gatien Polly¹, Alexis Mérigaud¹, Xavier Bonnet³, Anthony Herrel²

1: PMMH, CNRS UMR 7636, ESPCI Paris-Université PSL, Sorbonne Université, Université Paris Cité, Paris, France; 2: MECADEV, Département Adaptation du Vivant, MNHN, CNRS UMR 7179, Paris, France.; 3: Centre d'Études Biologiques de Chizé, CNRS UMR 7372, Villiers-en-Bois, France

The scaling of drag forces on accelerating plates

Jesse Reijtenbagh, Mark J. Tummers, Jerry Westerweel

Delft University of Technology

Non-linear flow-structure response of minimal bio-inspired channels with flexible valves (YSA)

Omar Abukabsha, Simon Gsell, Martin Brandenbourger

Aix-Marseille University

Flow sensing in fluid-structure interaction systems using hybrid deep neural network and reduced-order model

Chunna Li, Chunlin Gong, Xuyi Jia

Northwestern Polytechnical University

Dragonflies flight: Fluid structure interaction of artificial wings (YSA)

Camille Aracheloff^1,2, Benjamin Thiria¹, Ramiro Godoy-Diana¹, André Nel², Romain Garrouste²

1: Physique et mécanique des milieux hétérogènes (PMMH), ESPCI, Paris, France; 2: Institut de Systématique, Évolution, Biodiversité (ISYEB), MNHN, Paris, France

Influence of the three-dimensional deformations of a kirigami on the flow in a confined channel (YSA)

Agathe Schmider, Sophie Ramananarivo

LadHyX, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France

The Effect of Wall Elasticity on Turbulent Channel Flow

Morie Koseki, M.S. Aswathy, Marco Edoardo Rosti

Okinawa Institute of Science and Technology Graduate University

Snap-induced flow in a closed channel

Oz Oshri, Kirill Goncharuk, Yuri Feldman

Ben-Gurion University of the Negev

Settling of magnetic rods in quiescent fluid

Samuel Bera¹, Mickael Bourgoin¹, Nicolas Plihon¹, Anubhab Roy²

1: Univ Lyon, ENS de Lyon, CNRS, Laboratoire de Physique, Lyon F-69342, France; 2: Indian Institute of Technology Madras

A numerical and experimental approach to stall hysteresis on a two-element wingsail (YSA)

Antonia Hillenbrand^1,2, Suharto Saha³, Jakob Kuttenkeuler¹, Philipp Schlatter^3,4

1: KTH Royal Institute of Technology, Center for Naval Architecture, Stockholm, Sweden; 2: AlfaWall Oceanbird, Tumba, Sweden; 3: Friedrich-Alexander-Universität Erlangen-Nürnberg, Institute of Fluid Mechanics, Erlangen, Germany; 4: KTH Royal Institute of Technology, FLOW, Dept. Engineering Mechanics, Stockholm, Sweden

Dynamics of optimally perturbed wing-tip vortices: beyond Crow instability (YSA)

Navrose Navrose¹, Mohd. Suhail Naim¹, Vincent Brion²

1: Department of Aerospace Engineering, Indian Institute of Technology Kanpur, India; 2: DAAA, ONERA, F-92190 Meudon - France, France

Global instability in scramjet flow (YSA)

Donato Variale^1,2, Nicolas Alferez², Stefania Cherubini¹, Jean-Christophe Robinet²

1: DMMM, Politecnico di Bari. via Edoardo Orabona, 4, Bari, Italy; 2: DynFluid Lab., Arts & Metiers Institute of Technology / CNAM, 151, Bd. de l’Hopital, 75013, Paris, France

Transonic shock buffet unsteadiness towards onset and offset conditions (YSA)

Christopher Julian Schauerte, Anne-Marie Schreyer

Institute of Aerodynamics, RWTH Aachen University

A Unified Thermodynamic/Vortical Far-Field Force Method

Mauro Minervino^1,2, Renato Tognaccini²

1: CIRA S.C.p.A., Italian Aerospace Research Centre; 2: University of Naples Federico II

Development of a hybrid inviscid model for airfoils in unsteady flows

Julien Deparday¹, Samuele Stefanini², Filippo Coletti², Sarah Barber¹

1: OST-Eastern Switzerland University of Applied Sciences; 2: Swiss Federal Institute of Technology (ETH Zürich)

Aerodynamic characterisation of isolated cycling wheels using load and flow field measurements

Jiaqi Mao¹, Peng Zhou¹, Wei Yi², Xin Zhang¹

1: Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China; 2: CAE & NVH Performance Development Center, BYD Auto Industry Co., Ltd., No.3009, BYD Road, Pingshan District, Shenzhen, Guangdong, China

Electroactive morphing of an A320 wing prototype through traveling wave actuation for aerodynamic performance increase at high Reynolds number

Jacques Abou Khalil^1,3, Rajaa El Akoury¹, Clément Rouaix^1,4, Abderahmane Marouf², Yannick Hoarau², Horia Hangan⁴, Jean-François Rouchon³, Marianna Braza¹

1: CNRS - IMFT; 2: University of Strasbourg; 3: INPT-LAPLACE; 4: Ontario Tech

Unsteady Response of a Turbulent Boundary Layer Interacting with Propeller-Slipstream Vorticity (YSA)

Aaron D. Sequeira, Woutijn J. Baars, Tomas Sinnige, Leo L.M. Veldhuis

Department of Flow Physics & Technology, Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, Delft, 2629 HS, The Netherlands

Induced drag high-aspect-ratio wings with structural constraints

Arne van Garrel, Harry Hoeijmakers, Marijn Sanders, Kees Venner

University of Twente

Methods for vortex structures identification and pitching moment predic-tion on delta wing in surface pressure information using point-vortex theory

Jianglong Guo, Yunsong Gu, Linkai Li, Shilong Wang, Yuzhe Zhang

Nanjing University of Aeronautics and Astronautics

Numerical study of aerodynamic performance of damaged dragonfly wings (YSA)

Peng Yu¹, Benjamin Thiria¹, Ramiro Godoy-Diana¹, Thomas Engels²

1: Laboratoire de Physique et Mécanique des Milieux Hétérogènes (PMMH), CNRS UMR 7636, ESPCI Paris–Université PSL, Sorbonne Université, Université Paris Cité, Paris, France; 2: CNRS & Aix-Marseille Université, UMR 7287, Institut des Sciences du Mouvement Etienne-Jules Marey, Marseille, France

Characterising the Interplay between the TNTI and the Entrainment and Detrainment Behaviour of a Turbulent Boundary Layer (YSA)

Agastya Parikh, Christian J. Kähler

Universität der Bundeswehr München

Wave-turbulence interaction in the aqueous boundary layer

Pim Adriaan Bullee, Daniel Johnson Ruth, Filippo Coletti

Institute of Fluids Dynamics, Federal Institute of Technology Zürich (ETH Zürich), Zürich, Switzerland

Uniform momentum zones in the turbulent boundary layer over superhydrophobic surface

Xiaoqi Cheng¹, Nan Jiang²

1: Tianjin University, Department of Mechanics, School of Mechanical Engineering, China; 2: Tianjin University, Department of Mechanics, School of Mechanical Engineering, China

The Batchelor sleeve problem, from low to high Reynolds number

Henry Keith Moffatt¹, Emmanuel Dormy²

1: University of Cambridge, UK; 2: Ecole Normale Superieure, Paris, France

Statistics of a turbulent boundary layer with polymer solution ejection at low and high drag reduction states

Jia-Qi Ma¹, Sheng-Hong Peng¹, Wen-Feng Li^1,2, Heng-Dong Xi^1,2

1: Northwestern Polytechnical University, School of Aeronautics; 2: Northwestern Polytechnical University, Institute of Extreme Mechanics

The electrodiffusional theory for the two-segment measuring probes (YSA)

Vaclav Harrandt^1,2, Yaroslav Bazaikin², Florian Huchet³, Jaroslav Tihon¹, Jaromir Havlica^1,2

1: The Czech Academy of Sciences, Institute of Chemical Process Fundamentals, Rozvojova 2/135, 165 02 Prague, Czech Republic; 2: Jan Evangelista Purkyně University in Ústí nad Labem, Faculty of Science, Pasteurova 3632/15, 400 96 Ústí nad Labem, Czech Republic; 3: Univ. Gustave Eiffel, MAST-GPEM, Fr-44344 Bouguenais, France

A foil oscillating in the Karman street: the legacy of three scientific schools

Gregory Zilman, Alex Liberzon

Tel Aviv University

A Variational Theory of Aerodynamics

Haithem Taha, Cody Gonzalez

University of California, Irvine

Buzz control on an Intake using Vortex Generators at Mach 3.0

Manisankar Chidambaranathan, Shashi Bhushan Verma

CSIR-National Aerospace Laboratories, Bangalore, India

Behavior of Generalized K-Omega (GEKO) Parameter on Performance Prediction of Airfoils Operating in Incompressible Region

Siraphob Santironnarong¹, Ekachai Juntasaro²

1: Defence Technology Institute, Nonthaburi, Thailand; 2: King Mongkut's University of Technology North Bangkok, Bangkok, Thailand

Application and practical guidelines of dynamic mode decomposition (DMD)-based Koopman analysis in bluff-body aerodynamics

Daniel Ziyue Peng¹, Cruz Y. Li², Yunfei Fu¹, Xisheng Lin¹, Tim K.T. Tse¹

1: The Hong Kong University of Science and Technology, Hong Kong SAR, China; 2: Chongqing University, Chongqing, China

Experimental and numerical analysis of aerodynamic forces and wake structure on a 2D model of a vehicle in ground effect

Eduardo Durán, Pedro Solís, Luis Parras

Fluid Mechanics, University of Málaga, Institute for Mechatronics Engineering & Cyber-Physical Systems , Málaga, Spain

Incorporating high-speed velocity and temperature scalings in Reynolds-averaged Navier-Stokes models (YSA)

Xiaohan Hu¹, Xiang Yang¹, Jiaqi Li¹, George Huang²

1: Pennsylvania State University; 2: Wright State University

Blast wave attenuation in wire meshes: the dissipation mechanisms

Rijin Rajan, Mohd Javed, Kamal Poddar, Debopam Das

Indian Institute of Technology Kanpur

Aerodynamic Interference Between Rotors of Mars Multicopter in Compressible Flow

Ryutaro Onishi¹, Akira Oyama²

1: The university of Tokyo; 2: Institute of Space and Astronautical Science, JAXA

An Advanced Schlieren Setup for the Investigation of Streamwise Vortices in Hypersonic Ramp Flows

Micha Renè Noé, Igor Klioutchnikov, Karl Alexander Heufer

Chair of High Pressure Gas Dynamics, RWTH Aachen University

Numerical Analysis of Aerodynamic Interference between Propeller and Fixed Wing of Mars Airplane

Masayuki Sasaki¹, Akira Oyama²

1: The University of Tokyo; 2: Institute of Space and Astronautical Science

Random switching dynamics and low frequency oscillations around airfoil stall

Romain Monchaux¹, Ivan Kharsansky Atallah¹, Luc Pastur¹, Laurent Zimmer²

1: LMI-UME, ENSTA-Paris, Institut Polytechnique de Paris, F-91120 Palaiseau, France; 2: EM2C Laboratory, CNRS, CentralSupelec, Université Paris-Saclay, 8-10 rue Joliot-Curie, 91190 Gif-sur-Yvette, France

The wake dynamics of a simplified road vehicle and the influence of wheels.

Kacper Oskar Janczuk, Dania Ahmed, Aimee Morgans

Imperial College London

Unraveling the hydrodynamic efficiency of manta ray-inspired swimming through numerical simulation

Rahul Kumar, Srikant Sekhar Padhee, Devranjan Samanta

Department of Mechanical Engineering, Indian Institute of Technology Ropar, Punjab-140001, India

A log-layer analogy for fluid acceleration in boundary layers with pressure gradients

Xiang Yang¹, Peng Chen², Wen Zhang², Minping Wan², Shiyi Chen², Yipeng Shi^3,4

1: Mechanical Engineering, Penn State University; 2: Department of Mechanics and Aerospace Engineering, Southern University of Science and Technology; 3: State Key Laboratory of Turbulence and Complex Systems; 4: Colege of Engineering, Peking University

A near-wall model for heat transfer prediction in laminar flows at high Prandtl number: application to liquid jet and film cooling

Adrien INGLES¹, Adèle POUBEAU¹, Guillaume VINAY¹, Franck NICOUD^2,3

1: IFP Energies nouvelles; 2: IMAG, Université de Montpellier, CNRS; 3: Institut Universitaire de France, Paris, France

Boundary-Layer Transition Over Rough Rotating Disks: Comparison of two Roughness-Modelling Approaches

Gayani Parapamulla Yapa Arachchige¹, Peter J. Thomas¹, Paul Griffiths², Stephen J. Garrett²

1: Fluid Dynamics Research Centre, School of Engineering, University of Warwick, Coventry, UK; 2: College of Engineering and Physical Sciences, Aston University, Birmingham, UK

Investigating Prandtl number effects in heated concentric coaxial pipe flow at high Reynolds number

Pei-Yun Tsai, Heiko Schmidt, Marten Klein

Brandenburg University of Technology Cottbus-Senftenberg

Heat Flux Augmentation Along A Sharp Cone At Hypersonic Flow Conditions

Dominik Neeb, Pascal Marquardt, Ali Gülhan

German Aerospace Center (DLR)

Hypersonic laminar-turbulent boundary layer transition on the ogive of the STORT configuration

Sebastian Willems¹, Florian Klingenberg¹, Ali Gülhan¹, Christoph Hader², Hermann Fasel²

1: German Aerospace Center (DLR); 2: University of Arizona

Characterisation of realistic rough walls in compressible turbulent boundary layers

Dea Daniella Wangsawijaya¹, Rio Baidya^2,3, Sven Scharnowski², Bharathram Ganapathisubramani¹, Christian Kähler²

1: University of Southampton, University Road SO17 1BJ, United Kingdom; 2: University of the Bundeswehr Munich, Werner-Heisenberg-Weg 39, 85577 Neubiberg, Germany; 3: University of Melbourne, Grattan Street, Parkville VIC 3010, Australia

Drag determination from mean velocity in rough wall boundary layers

Ralph J Volino, Michael P Schultz, Vidya Vishwanathan

United States Naval Academy

Energy and enstrophy cascades in turbulent boundary layers

Gabriele Boga¹, Carlos B da Silva², Enrico Stalio¹, Andrea Cimarelli¹

1: University of Modena and Reggio Emilia, DIEF; 2: University of Lisbon, IDMEC/IST

Friction decomposition for rough-wall flows

Wen Zhang¹, Xiang Yang², Peng Chen¹, Minping Wan¹

1: Department of Mechanics and Aerospace Engineering, Southern University of Science and Technology, Shenzhen 518055, PR China; 2: Mechanical Engineering, Pennsylvania State University, PA 16802, USA

Influence of small-scale orography on near-surface turbulence in the atmospheric boundary layer

Shreyas Deshpande, Cedrick Ansorge

Freie Universität Berlin, Institute of Meteorology

Passive control of boundary layer flows through interaction with a compliant viscoelastic wall

Pierre Penet¹, Olivier Marquet², Lutz Lesshafft³

1: DAAA, ONERA, LadHyx, Ecole Polytechnique, Institut Polytechnique de Paris, F-91120 Palaiseau, France; 2: DAAA, ONERA, Universite Paris Saclay, F-92190 Meudon, France; 3: LadHyX, CNRS, Ecole polytechnique, Institut Polytechnique de Paris, F-91120 Palaiseau, France

POD-based analysis of large-scale coherence in turbulent pipes

Daniele Massaro¹, Jie Yao^2,4, Saleh Rezaeiravesh³, Fazle Hussain⁴, Philipp Schlatter^5,1

1: SimEx/FLOW, Engineering Mechanics, KTH Royal Institute of Technology, Stockholm, Sweden; 2: Advanced Research Institute of Multidisciplinary Sciences, Beijing Institute of Technology, China; 3: Department of Fluids and Environment/MACE, The University of Manchester, UK; 4: Texas Tech University, Department of Mechanical Engineering, Lubbock, USA; 5: Institute of Fluid Mechanics (LSTM), Friedrich–Alexander–Universität (FAU) Erlangen–Nürnberg, Germany

Predicting friction and heat transfer in forced-air convection with variable physical properties

Davide Modesti¹, Sergio Pirozzoli²

1: Delft University of Technology; 2: Sapienza Università di Roma

Structure of turbulent flow in a wind tunnel canopy model with spanwise heterogeneity

Dan Liberzon, Ewelina Winiarska, Rene van Hout

Technion - Israel Institute of Technology

Wind tunnel investigations of the dispersion characteristics of ship exhausts in a neutral boundary layer

Abhilash Sankaran, Rainer Hain, Christian Kähler

Institute of Fluid Mechanics and Aerodynamics, University of the Bundeswehr Munich, Germany

Floating anisotropic particles

Avital Reizman, Jibu Tom Jose, Anna Zigelman, Amir Daniel Gat, Omri Ram

Technion - Israel Institute of Technology

Experimental study of the Flow-induced Vibration of a cut corner prism energy harvester

Weizhe Wang, Zhaohui Yao

University of Chinese Academy of Sciences

Energy harvesting of a three-dimensional plate in laminar and turbulent flows

Bálint Nagy^1,2, Stefano Olivieri³, Roberto Verzicco^1,4,5, Francesco Viola¹

1: Gran Sasso Science Institute (GSSI), L’Aquila, Italy; 2: INFN-Laboratori Nazionali del Gran Sasso, Assergi (AQ), Italy; 3: Universidad Carlos III de Madrid, Leganés, Spain; 4: University of Rome Tor Vergata, Rome, Italy; 5: University of Twente, Enschede, The Netherlands

Dynamics of a retracting elastic sheet on a free surface

Cheolgyun Jung¹, Donghyun Kim², Seyoung Joung¹, Daegyoum Kim¹

1: KAIST; 2: Massachusetts Institute of Technology

Dynamic fluid-structure interaction of a poroelastic cluster under fluid flow

Minhyeong Lee¹, Ehsan Mahravan², Daegyoum Kim¹

1: Dept.of Mechanical Engineering, KAIST, Daejeon 34141, Republic of Korea; 2: Dept. of Mechanical & Production Engineering, Aarhus University, 8000 Aarhus C, Denmark

Drag variations from switching states in bistable origami mechanism

Sophie Ramananarivo, Rishabh Nain

Laboratoire d'Hydrodynamique (LadHyX), CNRS, Ecole Polytechnique, Institut Polytechnique de Paris

Direct numerical simulations of free-falling discs in turbulence

Panagiotis Alexandrou¹, Ignazio Maria Viola¹, Chandan Bose², Antonio Attili¹

1: University of Edinburgh; 2: University of Birmingham

Control of shock-induced fluid-structure interaction using viscoelastic materials

Marie Couliou¹, Carmen Riveiro Moreno¹, Nicolo Fabbiane², Olivier Marquet^1,3

1: DAAA, ONERA, Institut Polytechnique de Paris, 8 rue des Vertugadins, 92190 Meudon; 2: DAAA, ONERA,, Institut Polytechnique de Paris, 29 Avenue de la Division Leclerc, 92320 Chatillon; 3: DAAA, ONERA, Universit´e Paris-Saclay, 8 rue des Vertugadins, 92190 Meudon, France

Experimental and numerical investigations on the free falling of the planar particles at high Reynolds numbers: particle trajectory and flow vortical structures

Farzad Pourfattah, LianPing Wang, Kairzhan Karzhaubayev, Mahsa Adhampour

Southern University of Science and Technology (SUSTech)