WAVES 2022

24 Jul 2022, 14:00 → 29 Jul 2022, 17:00 Europe/Paris

ENSTA Paris

Sunday, 24 July

16:00 → 19:00 Registration + Access to on-site accommodation

19:00 → 22:00 Ice-breaking cocktail and dinner [for all participants]

Monday, 25 July

07:30 → 09:00 Breakfast [for Full-Board participants]

08:00 → 09:00 Registration

09:00 → 09:30 (10) Opening

09:30 → 10:30 (11) Plenary talk: Olof Runborg

Convener: Marlis Hochbruck

09:30 Solving Helmholtz Equation Using the Temporal Wave Equation

Main speaker: Olof Runborg

Speaker: Olof Runborg

Paper

10:30 → 11:00 Coffee Break

11:00 → 12:30 (11A) Trefftz methods

Convener: Andrea Moiola

11:00 Three types of quasi-Trefftz functions for the 3D convected Helmholtz equation: construction and theoretical approximation properties

Main speaker: Lise-Marie Imbert-Gérard

Speakers: Lise-Marie Imbert-Gérard, Guillaume Sylvand

Paper

11:30 Iterative Trefftz Method For Three-dimensional Electromagnetic Waves Simulation

Main speaker: Margot Sirdey

Speakers: Margot Sirdey, Sébastien Tordeux, Sébastien Pernet

Paper

12:00 Stable approximation of Helmholtz solutions with evanescent plane waves

Main speaker: Emile Parolin

Speakers: Emile Parolin, Daan Huybrechs, Andrea Moiola

Paper

11:00 → 12:30 (11B) Frequency-domain BEM

Convener: Oscar Bruno

11:00 A Hausdorff-measure boundary element method for scattering by fractal screens I: Numerical Analysis

Main speaker: Simon Chandler-Wilde

Speakers: Simon Chandler-Wilde, Antonio Caetano, Andrew Gibbs, David Hewett, Andrea Moiola

Paper

11:30 A Hausdorff-Measure Boundary Element Method for Scattering by Fractal Screens II: Numerical Quadrature

Main speaker: Andrew Gibbs

Speakers: Andrew Gibbs, Andrea Moiola, David Hewett

Paper

12:00 A new theory for acoustic transmission problems with variable coefficients modeled as stable integral equations

Main speaker: Francesco Florian

Speakers: Francesco Florian, Ralf Hiptmair, Stefan Sauter

Paper

11:00 → 12:30 (11C) Inverse problems

Convener: Philippe Moireau

11:00 Inverse problem for the Helmholtz equation and singular sources in the divergence form

Main speaker: Cristóbal Villalobos Guillén

Speakers: Cristóbal Villalobos Guillén, Laurent Baratchart, Houssem Haddar

Paper

11:30 A reconstruction method for the inverse gravimetric problem

Main speaker: Anthony Gerber-Roth

Speakers: Anthony Gerber-Roth, Alexandre Munnier, Karim Ramdani

Paper

12:00 A layer potential approach to functional and clinical brain imaging

Main speaker: Masimba Nemaire

Speakers: Masimba Nemaire, Paul Asensio, Jean-Michel Badier, Juliette Leblond, Jean-Paul Marmorat

Paper

11:00 → 12:30 (11D) Domain decomposition methods

Convener: Toufic Abboud

11:00 On corner matrices for high order DDMs

Main speaker: Bruno Després

Speakers: Bruno Després, Anouk Nicolopoulos, Bertrand Thierry

Paper

11:30 Advances in overlapping-domain framework for wave propagation in heterogeneous and unbounded regions

Main speaker: Víctor Domínguez

Speakers: Víctor Domínguez, Mahadevan Ganesh, Stuart Hawkins

Paper

12:00 A comparison between Hierarchical Poincaré-Steklov approaches for the 3D Helmholtz equation with variable coefficients

Main speaker: Jose Pablo Lucero Lorca

Speakers: Jose Pablo Lucero Lorca, Adrianna Gillman

Paper

11:00 → 12:30 (11E) Numerical methods for time-harmonic problems

Convener: David Hewett

11:00 dGFEM-BEM mortar coupling for the Helmholtz problem in three dimensions

Main speaker: Alexander Rieder

Speakers: Alexander Rieder, Christoph Erath, Lorenzo Mascotto, Jens Markus Melenk, Ilaria Perugia

Paper

11:30 Rational-based MOR methods for Helmholtz frequency response problems with adaptive finite element snapshots

Main speaker: Francesca Bonizzoni

Speakers: Francesca Bonizzoni, Davide Pradovera, Michele Ruggeri

Paper

12:00 Solvability of Discrete Helmholtz Equations

Main speaker: Stefan Sauter

Speakers: Stefan Sauter, Maximilian Bernkopf, Céline Torres, Alexander Veit

Paper

12:30 → 14:15 Lunch [for all participants]

14:15 → 15:15 (12) Plenary talk: Nilima Nigam

Convener: Peter Monk

14:15 Elasticity, skeletal muscle, and waves?

Main speaker: Nilima Nigam

Speaker: Nilima Nigam

Paper

15:30 → 16:30 (12A) Analysis for time-dependent problems

Convener: Daniel Appelö

15:30 Decay Theory and Numerical Analysis for Hybrid Frequency/Time Methods in Long-Time Transient Wave Scattering

Main speaker: Thomas G. Anderson

Speakers: Thomas G. Anderson, Oscar Bruno

Paper

16:00 Long time behaviour for electromagnetic waves in dissipative Lorentz media

Main speaker: Alejandro Rosas

Speakers: Alejandro Rosas, Patrick Joly, Maxence Cassier

Paper

15:30 → 16:30 (12B) Frequency-domain BEM

Convener: Frédérique Le Louër

15:30 Bi-Parametric Operator Preconditioning and Applications

Main speaker: Paul Escapil-Inchauspé

Speakers: Paul Escapil-Inchauspé, Carlos Jerez-Hanckes

Paper

16:00 An OSRC Preconditioner for the EFIE

Main speaker: Ignacia Fierro-Piccardo

Speakers: Ignacia Fierro-Piccardo, Timo Betcke

Paper

15:30 → 16:30 (12C) Inverse problems

Convener: Martin Berggren

15:30 Probabilistic Wave Inversion Using Gibbs Posteriors: Application in Ultrasound Vibrometry

Main speaker: Wilkins Aquino

Speakers: Wilkins Aquino, Youngsoo Baek, Sayan Mukherjee

Paper

16:00 Damage Identification in Fiber Metal Laminates with Guided Ultrasonic Wave using Bayesian Inference and Model Order Reduction

Main speaker: Nanda Kishore Bellam Muralidhar

Speakers: Nanda Kishore Bellam Muralidhar, Natalie Rauter, Andrey Mikhaylenko, Rolf Lammering, Dirk Lorenz

Paper

15:30 → 16:30 (12D) Asymptotic methods in the time domain

Convener: Marc Bonnet

15:30 Modal approximation for plasmonic resonators in the time domain

Main speaker: Pierre Millien

Speakers: Pierre Millien, Lorenzo Baldassari, Alice Vanel

Paper

16:00 Asymptotic models for time-domain scattering by small particles

Main speaker: Maryna Kachanovska

Speaker: Maryna Kachanovska

Paper

15:30 → 16:30 (12E) Periodic waveguides

Convener: Bérangère Delourme

15:30 Radiation Conditions for Periodic Waveguides

Main speaker: Andreas Kirsch

Speakers: Andreas Kirsch, Guanghui Hu

Paper

16:00 Energy method approach to existence results for the Helmholtz equation in periodic wave-guides

Main speaker: Ben Schweizer

Speaker: Ben Schweizer

Paper

16:30 → 17:00 Coffee Break

17:00 → 18:30 (13A) Time-domain methods for time-harmonic problems

Convener: Sébastien Imperiale

17:00 EM-WaveHoltz: A time-domain frequency-domain solver for Maxwell's equations

Main speaker: Daniel Appelö

Speakers: Daniel Appelö, Zhichao Peng

Paper

17:30 A controllability method for Maxwell's equations

Main speaker: Théophile Chaumont-Frelet

Speakers: Théophile Chaumont-Frelet, Marcus Grote, Jet Tang, Stéphane Lanteri

Paper

18:00 A time-domain preconditioner for the Helmholtz equation: Analysis and performance on GPUs

Main speaker: Christiaan Stolk

Speaker: Christiaan Stolk

Paper

17:00 → 18:30 (13B) Frequency-domain BEM

Convener: Catalin Turc

17:00 Fast boundary element method for fault mechanics and earthquake control

Main speaker: Laura Bagur

Speakers: Laura Bagur, Stéphanie Chaillat, Jean-François Semblat, Ioannis Stefanou

Paper

17:30 Quadrature by Parity Asymptotic eXpansions (QPAX) for light scattering by high aspect ratio plasmonic particle

Main speaker: Camille Carvalho

Speakers: Camille Carvalho, Arnold Kim, Zoïs Moitier

Paper

18:00 A High-order Density-Interpolation-Based Nyström Method for Three-Dimensional Electromagnetic Boundary Integral Equations

Main speaker: Carlos Pérez-Arancibia

Speakers: Carlos Pérez-Arancibia, Rodrigo Arrieta, Luiz Faria, Catalin Turc

Paper

17:00 → 18:30 (13C) Modelling in electromagnetism

Convener: Tilo Arens

17:00 Eddy-current asymptotics of the Maxwell PMCHWT formulation: the multi-body case

Main speaker: Edouard Demaldent

Speakers: Edouard Demaldent, Marc Bonnet

Paper

17:30 Maximizing the electromagnetic chirality for metallic nanowires in the visible spectrum

Main speaker: Marvin Knöller

Speaker: Marvin Knöller

Paper

18:00 Angle-dependent SIBC model of metamaterial in FDTD method

Main speaker: Samuel Gaucher

Speakers: Samuel Gaucher, Christophe Guiffaut, Alain Reineix, Olivier Cessenat

Paper

17:00 → 18:30 (13D) Wave propagation in random media

Convener: Artur Gower

17:00 Localization landscape for interacting Bose gases in one-dimensional speckle potentials

Main speaker: Filippo Stellin

Speakers: Filippo Stellin, Marcel Filoche, Frédéric Dias

Paper

17:30 Complex Effective Wavenumbers of Isotropic Particulate Materials

Main speaker: Aristeidis Karnezis

Speakers: Aristeidis Karnezis, Artur Gower

Paper

18:00 Speckle statistics in stochastic homogenization regime

Main speaker: Quentin Goepfert

Speakers: Quentin Goepfert, Josselin Garnier, Laure Giovangigli, Pierre Millien

Paper

17:00 → 18:30 (13E) Numerical methods for time-domain problems

Convener: Stefan Sauter

17:00 A space–time Trefftz discontinuous Galerkin method for the linear Schrödinger equation

Main speaker: Sergio Gomez

Speakers: Sergio Gomez, Andrea Moiola

Paper

17:30 Implicit Filon Methods for Highly Oscillating Problems and Controlled Qubits

Main speaker: Spencer Lee

Speakers: Spencer Lee, Daniel Appelö

Paper

18:00 Stable finite differences for the piecewise homogeneous dynamic beam equation

Main speaker: Gustav Eriksson

Speakers: Gustav Eriksson, Jonatan Werpers, David Niemelä, Niklas Wik, Valter Zethrin, Ken Mattsson

Paper

19:30 → 23:00 Wine/Cheese dinner + Piano concert + Drinks [for Full-Board and Basic+Dinner participants]

Tuesday, 26 July

07:30 → 09:00 Breakfast [for Full-Board participants]

09:00 → 10:00 (21) Plenary talk: David Krejcirik

Convener: Anne-Sophie Bonnet-Ben Dhia

09:00 The virial theorem and the method of multipliers in spectral theory

Main speaker: David Krejcirík

Speaker: David Krejcirík

Paper

10:00 → 10:30 Coffee Break

10:30 → 12:30 (21A) Waveguides

Convener: Andreas Kirsch

10:30 Sound Propagation in Slowly-Varying Lined Ducts

Main speaker: Tom White

Speakers: Tom White, Raphaël Assier, William Parnell

Paper

11:00 Scattering in a partially open waveguide: the forward problem

Main speaker: Laurent Bourgeois

Speakers: Laurent Bourgeois, Sonia Fliss, Jean-François Fritsch, Christophe Hazard, Arnaud Recoquillay

Paper

11:30 Scattering in a partially open waveguide: the inverse problem

Main speaker: Jean-François Fritsch

Speakers: Jean-François Fritsch, Laurent Bourgeois, Arnaud Recoquillay

Paper

12:00 High sensibility imaging of defects in elastic waveguides using near resonance frequencies

Main speaker: Angèle Niclas

Speakers: Angèle Niclas, Éric Bonnetier, Laurent Seppecher, Grégory Vial

Paper

10:30 → 12:30 (21B) MS Wave propagation in ab initio molecular simulation

Convener: Antoine Levitt

10:30 Finite-size effects in response functions of molecular systems

Main speaker: Mi-Song Dupuy

Speakers: Mi-Song Dupuy, Antoine Levitt

Paper

11:00 Quantum dynamics beyond the Born-Oppenheimer approximation in molecular systems

Main speaker: Loïc Joubert-Doriol

Speaker: Loïc Joubert-Doriol

Paper

11:30 Computing Spectral Properties of Topological Insulators with Disorder

Main speaker: Andrew Horning

Speakers: Andrew Horning, Matthew Colbrook, Kyle Thicke, Alex Watson

Paper

12:00 Computation of resonances in locally perturbed periodic quantum systems

Main speaker: Eloïse Letournel

Speakers: Eloïse Letournel, Antoine Levitt, Luigi Genovese, Ivan Duchemin, Simon Ruget

Paper

10:30 → 12:30 (21C) PMLs in time domain

Convener: Martin Halla

10:30 On the construction of Shape Functions for Spacetime Trefftz-DG Formulations of Wave Problems with Perfectly Matched Layers

Main speaker: Vinduja Vasanthan

Speakers: Vinduja Vasanthan, Hélène Barucq, Henri Calandra, Julien Diaz

Paper

11:00 Analysis and FDTD simulation of a perfectly matched layer for the Drude metamaterial

Main speaker: Jichun Li

Speaker: Jichun Li

Paper

11:30 Stability and convergence of time-domain perfectly matched layers in dispersive waveguides

Main speaker: Markus Wess

Speakers: Markus Wess, Eliane Bécache, Maryna Kachanovska

Paper

12:00 Perfectly Matched Layers for second order Maxwell's equations in time domain

Main speaker: Theau Cousin

Speakers: Theau Cousin, Christian Gout, Antoine Tonnoir, Cyrille Fauchard

Paper

10:30 → 12:30 (21D) MS New trends in nonlinear acoustics and related phenomena

Convener: Barbara Kaltenbacher

10:30 Well-posedness and shape optimization for the Westervelt Robin boundary problem on domains with non-Lipschitz boundaries

Main speaker: Anna Rozanova-Pierrat

Speakers: Anna Rozanova-Pierrat, Michael Hinz, Adrien Dekkers, Alexander Teplyaev

Paper

11:00 A phase-field approach to shape and topology optimization of nonlinear acoustic waves

Main speaker: Vanja Nikolić

Speakers: Vanja Nikolić, Harald Garcke, Sourav Mitra

Paper

11:30 Analysis of shape optimization problems for the Kuznetsov equation

Main speaker: Mostafa Meliani

Speakers: Mostafa Meliani, Vanja Nikolić

Paper

12:00 Boundary stabilization of critical nonlinear JMGT equation with undissipated Neumann boundary

Main speaker: Marcelo Bongarti

Speakers: Marcelo Bongarti, Irena Lasiecka

Paper

10:30 → 12:30 (21E) Numerical methods for time-domain problems

Convener: Théophile Chaumont-Frelet

10:30 Locally Implicit Preconditioning for Maxwell equations on a locally refined spatial grid

Main speaker: Marlis Hochbruck

Speakers: Marlis Hochbruck, Jonas Köhler, Pratik Kumbhar

Paper

11:00 Efficient numerical method for time domain electromagnetic wave propagation in thin co-axial cables.

Main speaker: Akram Beni Hamad

Speakers: Akram Beni Hamad, Sébastien Imperiale, Patrick Joly

Paper

11:30 The Hermite-Taylor Correction Function Method for Maxwell's Equations

Main speaker: Yann-Meing Law

Speakers: Yann-Meing Law, Daniel Appelö

Paper

12:00 A space-time quasi-Trefftz DG method for the wave equation with smooth coefficients

Main speaker: Andrea Moiola

Speakers: Andrea Moiola, Lise-Marie Imbert-Gérard, Paul Stocker

Paper

12:30 → 14:15 Lunch [for all participants]

14:15 → 15:15 (22) Plenary talk: Biondo Biondi

Convener: Bojan Guzina

14:15 Robust seismic imaging by full-waveform inversion with model time extension

Main speaker: Biondo Biondi

Speaker: Biondo Biondi

Paper

15:30 → 16:30 (22A) Numerical methods for complex media

Convener: Alexander Rieder

15:30 Numerical treatment of the vectorial equations of stellar oscillations

Main speaker: Paul Stocker

Speakers: Paul Stocker, Martin Halla, Christoph Lehrenfeld

Paper

16:00 Capturing plasmonic behaviors in light scattering by spheres using finite element methods and asymptotic quadrature

Main speaker: Benjamin Latham

Speakers: Benjamin Latham, Arnold Kim, Camille Carvalho

Paper

15:30 → 16:30 (22B) Analysis for time-domain problems

Convener: Maxence Cassier

15:30 Revisiting the limiting amplitude principle for the wave equation with variable coefficients

Main speaker: Dmitry Ponomarev

Speakers: Dmitry Ponomarev, Anton Arnold, Sjoerd Geevers, Ilaria Perugia

Paper

16:00 Gaussian wave packets for the magnetic Schrödinger equation

Main speaker: Selina Burkhard

Speakers: Selina Burkhard, Benjamin Dörich, Marlis Hochbruck

Paper

15:30 → 16:30 (22C) Time-domain BEM

Convener: Silvia Falletta

15:30 Recent Advances in Elastodynamics by Time-Domain Energetic Boundary Element Method

Main speaker: Chiara Guardasoni

Speakers: Chiara Guardasoni, Alessandra Aimi, Luca Desiderio, Giulia Di Credico

Paper

16:00 Experiences with the 3D-ACA in a CQM based Time Domain Boundary Element Method

Main speaker: Martin Schanz

Speakers: Martin Schanz, Anita Haider

Paper

15:30 → 16:30 (22D) MS New trends in nonlinear acoustics and related phenomena

Convener: Barbara Kaltenbacher

15:30 Formation of singularities for relaxed compressible Navier-Stokes equations

Main speaker: Reinhard Racke

Speakers: Reinhard Racke, Yuxi Hu, Na Wang

Paper

16:00 Obtaining nonlinear acoustic models from non-conventional variational principles in fluid mechanics

Main speaker: Markus Scholle

Speakers: Markus Scholle, Philip Gaskell, Sara Ismail-Sutton

Paper

15:30 → 16:30 (22E) Space-time finite elements

Convener: Eliane Bécache

15:30 Enriched Space-Time Finite Element Methods for the Wave Equation

Main speaker: Kieran Quaine

Speakers: Kieran Quaine, Heiko Gimperlein

Paper

16:00 A space-time continuous and coercive variational formulation for the wave equation

Main speaker: Paolo Bignardi

Speakers: Paolo Bignardi, Andrea Moiola

Paper

16:30 → 17:00 Coffee Break

17:00 → 18:30 (23A) High-frequency analysis

Convener: Víctor Domínguez

17:00 An iterative hybrid numerical-asymptotic boundary element method for high-frequency scattering by multiple screens

Main speaker: Oliver Phillips

Speakers: Oliver Phillips, Stephen Langdon, Simon Chandler-Wilde

Paper

17:30 A high-frequency approach for the acceleration of the Half-Space Matching method

Main speaker: Amond Allouko

Speakers: Amond Allouko, Anne-Sophie Bonnet-Ben Dhia, Vahan Baronian, Sonia Fliss

Paper

18:00 The inflection point problem - from modal to scattering behaviour

Main speaker: David Hewett

Speakers: David Hewett, Valery Smyshlyaev

Paper

17:00 → 18:30 (23B) Homogenization

Convener: Jean-François Mercier

17:00 Homogenisation of perforated plates

Main speaker: Shiza Naqvi

Speakers: Shiza Naqvi, Lorna Ayton

Paper

17:30 Homogenization for transient waves in 1D periodic media: dispersion, interfaces and point sources

Main speaker: Rémi Cornaggia

Speakers: Rémi Cornaggia, Bruno Lombard

Paper

18:00 The WaveHoltz Heterogeneous Multiscale Method for the Helmholtz Equation

Main speaker: Amit Rotem

Speakers: Amit Rotem, Daniel Appelö, Olof Runborg

Paper

17:00 → 18:30 (23C) Inverse problems

Convener: Laurent Bourgeois

17:00 Modeling and analysis of an inverse boundary value problem in a two dimensional viscoelastic medium

Main speaker: Frédérique Le Louër

Speakers: Frédérique Le Louër, Olha Ivanyshyn Yaman

Paper

17:30 Domain Derivatives in Electromagnetism and Optimal Design of Chiral Objects

Main speaker: Tilo Arens

Speakers: Tilo Arens, Felix Hagemann, Frank Hettlich

Paper

18:00 Surface identification through back-scattering of an electromagnetic planar wave by rational approximation

Main speaker: Paul Asensio

Speakers: Paul Asensio, Laurent Baratchart, Juliette Leblond, Martine Olivi, Fabien Seyfert

Paper

17:00 → 18:00 (23D) MS New trends in nonlinear acoustics and related phenomena

Convener: Barbara Kaltenbacher

17:00 A fast time-stepping method for the Westervelt equation with time-fractional damping

Main speaker: Lehel Banjai

Speakers: Lehel Banjai, Katherine Baker, Mariya Ptashnyk

Paper

17:30 Modeling and simulation of nonlinear wave propagation in ultrasound imaging

Main speaker: Teresa Rauscher

Speaker: Teresa Rauscher

Paper

17:00 → 18:30 (23E) Waves in Fluids

Convener: Manfred Kaltenbacher

17:00 Propagation of acoustic and gravity waves in the ocean: a new derivation for a general model.

Main speaker: Juliette Dubois

Speakers: Juliette Dubois, Sébastien Imperiale, Jacques Sainte-Marie

Paper

17:30 Symmetric-hyperbolic conservation laws modelling viscoelastic flows

Main speaker: Sébastien Boyaval

Speaker: Sébastien Boyaval

Paper

18:00 Stability analysis of the JCAPL equivalent fluid model equations for porous media

Main speaker: Ilyes Moufid

Speakers: Ilyes Moufid, Denis Matignon, Rémi Roncen, Estelle Piot

Paper

19:30 → 23:00 Barbecue near the lake [for Full-Board and Basic+Dinner participants]

Wednesday, 27 July

07:00 → 08:30 Breakfast [for Full-Board participants]

08:30 → 09:30 (31) Plenary talk: Marion Darbas

Convener: Simon Chandler-Wilde

08:30 Fast solvers for time-harmonic high-frequency elastic wave propagation problems

Main speaker: Marion Darbas

Speaker: Marion Darbas

Paper

09:30 → 10:00 Coffee Break

10:00 → 12:00 (31B) Integral equations: analysis and applications

Convener: Carlos Pérez-Arancibia

10:00 Efficient numerical solvers for frequency- and time-domain electromagnetic simulation, optimization and design

Main speaker: Oscar Bruno

Speaker: Oscar Bruno

Paper

10:30 Boundary Integral Equation Methods for Optical Cloaking Models

Main speaker: Elsie Cortes

Speakers: Elsie Cortes, Camille Carvalho, Chrysoula Tsogka

Paper

11:00 Coupled Single-Trace Formulations with Volume Integral Operators for Acoustic Transmission Problems

Main speaker: Ignacio Labarca

Speakers: Ignacio Labarca, Ralf Hiptmair

Paper

11:30 Volume integral equations on fractal domains and the Koch snowlake transmission problem

Main speaker: Joshua Bannister

Speakers: Joshua Bannister, Andrew Gibbs, David Hewett

Paper

10:00 → 12:00 (31C) Homogenization

Convener: Ben Schweizer

10:00 Homogenization of a thin layer of randomly distributed nano-particles : effective model and error estimates

Main speaker: Laure Giovangigli

Speakers: Laure Giovangigli, Sonia Fliss, Amandine Boucart

Paper

10:30 Modelling acoustic metasurfaces using homogenization of fluid-structure interaction on strongly heterogeneous perforated plates in thin layers

Main speaker: Eduard Rohan

Speakers: Eduard Rohan, Vladimír Lukeš

Paper

11:00 Effective dynamics for low-amplitude transient elastic waves in a 1D periodic array of non-linear interfaces

Main speaker: Cédric Bellis

Speakers: Cédric Bellis, Bruno Lombard, Marie Touboul, Raphaël Assier

Paper

11:30 High-frequency homogenisation in periodic media with imperfect interfaces and elastodynamic co-dipole metaclusters

Main speaker: Marie Touboul

Speakers: Marie Touboul, Raphaël Assier, Bruno Lombard, Cédric Bellis, Philip Cotterill, David Nigro, William Parnell

Paper

10:00 → 12:00 (31D) Spectral theory

Convener: Konstantin Pankrashkin

10:00 Design of a mode converter using thin resonant ligaments

Main speaker: Lucas Chesnel

Speakers: Lucas Chesnel, Jérémy Heleine, Sergei Nazarov

Paper

10:30 Spectral analysis of generalized normal modes

Main speaker: Matias Ruiz

Speakers: Matias Ruiz, Anne-Sophie Bonnet-Ben Dhia, Christophe Hazard

Paper

11:00 Sheared nanoribbons

Main speaker: Philippe Briet

Speakers: Philippe Briet, David Krejcirík, Hamza Abdou Soimadou

Paper

11:30 A trace theorem on an infinite b-adic tree

Main speaker: Kiyan Naderi

Speakers: Kiyan Naderi, Konstantin Pankrashkin

Paper

10:00 → 12:00 (31E) High order methods for time-domain problems

Convener: Julien Diaz

10:00 Spectral Difference method On Structured-Grids for Maxwell's Equations in Time Domain.

Main speaker: Valentin Ritzenthaler

Speakers: Valentin Ritzenthaler, Pierre Cantin, Xavier Ferrières, Sébastien Pernet, Puigt Guillaume

Paper

10:30 Stabilization of the high-order discretized wave equation for data assimilation problems

Main speaker: Sébastien Imperiale

Speakers: Sébastien Imperiale, Tiphaine Delaunay, Philippe Moireau

Paper

11:00 Stability of space–time isogeometric methods for wave propagation problems

Main speaker: Sara Fraschini

Speakers: Sara Fraschini, Andrea Moiola, Giancarlo Sangalli

Paper

11:30 A comparison of Hermite and Lagrange finite element methods for the wave equation

Main speaker: Ivy Weber

Speakers: Ivy Weber, Gunilla Kreiss

Paper

10:30 → 12:00 (31A) Modelling in waveguides and beyond

Convener: Arnaud Recoquillay

10:30 Waveguide acoustic black holes: non-helpful and helpful damping mechanisms

Main speaker: Martin Berggren

Speakers: Martin Berggren, Abbas Mousavi, Eddie Wadbro

Paper

11:00 Thermoviscous acoustic propagation in thin rough tubes

Main speaker: Alexis Thibault

Speakers: Alexis Thibault, Juliette Chabassier, Henri Boutin, Thomas Hélie

Paper

11:30 Multipole-model approximation of the equivalent fluid model equations for porous media in the time domain

Main speaker: Ilyes Moufid

Speakers: Ilyes Moufid, Denis Matignon, Rémi Roncen, Estelle Piot

Paper

12:00 → 12:45 Lunch bags [for all participants]

12:45 → 19:30 Social events [for all participants]

19:30 → 23:00 Dinner + Drinks [for Full-Board and Basic+Dinner participants]

Thursday, 28 July

07:30 → 09:00 Breakfast [for Full-Board participants]

09:00 → 10:00 (41) Plenary talk: Jens Markus Melenk

Convener: Maryna Kachanovska

09:00 Wavenumber-explicit hp-FEM for Helmholtz problems in piecewise smooth media

Main speaker: Jens Markus Melenk

Speaker: Jens Markus Melenk

Paper

10:00 → 10:30 Coffee Break

10:30 → 12:30 (41A) Periodic and quasi-periodic media

Convener: Rémi Cornaggia

10:30 Wave propagation in unbounded quasiperiodic media, Part 1: the absorbing case

Main speaker: Pierre Amenoagbadji

Speakers: Pierre Amenoagbadji, Sonia Fliss, Patrick Joly

Paper

11:00 Wave propagation in unbounded quasiperiodic media, Part 2: the non-absorbing case

Main speaker: Patrick Joly

Speakers: Patrick Joly, Sonia Fliss, Pierre Amenoagbadji

Paper

11:30 Asymptotic analysis of Berry phase governed by the scalar wave equation

Main speaker: Bojan Guzina

Speakers: Bojan Guzina, Othman Oudghiri-Idrissi, Shixu Meng

Paper

12:00 Numerical solution for non-periodic scattering problem in the 3D periodic structure

Main speaker: Nasim Shafieeabyaneh

Speakers: Nasim Shafieeabyaneh, Ruming Zhang

Paper

10:30 → 12:30 (41B) Frequency-domain BEM

Convener: Martin Schanz

10:30 A data compact representation for frequency dependent BEM matrices

Main speaker: Simon Dirckx

Speakers: Simon Dirckx, Daan Huybrechs, Karl Meerbergen

Paper

11:00 Numerical Modelisation of Interaction between Plasma Thruster Plume and Antennas on Small Satellites

Main speaker: Benoît Chaigne

Speakers: Benoît Chaigne, Toufic Abboud, Marek Felšöci, Alexandre Piche, Guillaume Sylvand

Paper

11:30 defmm : A FFT-based Kernel-independent Directional Fast Multipole Library for Arbitrary Particle Distributions at All Frequency Regimes

Main speaker: Igor Chollet

Speakers: Igor Chollet, Xavier Claeys, Pierre Fortin, Laura Grigori

Paper

12:00 Massively Parallelized Interpolated Factored Green Function Method

Main speaker: Christoph Bauinger

Speakers: Christoph Bauinger, Oscar Bruno

Paper

10:30 → 12:30 (41C) Inverse problems

Convener: Karim Ramdani

10:30 Adaptive Spectral Decomposition for Time-Dependent Inverse Problems

Main speaker: Yannik Gleichmann

Speakers: Yannik Gleichmann, Marcus Grote, Daniel Baffet

Paper

11:00 Optimal Transport for Elastic Seismic Source Inversion

Main speaker: Tyler Masthay

Speakers: Tyler Masthay, Björn Engquist

Paper

11:30 Solving inverse source wave problem: from observability to observer design

Main speaker: Tiphaine Delaunay

Speakers: Tiphaine Delaunay, Sébastien Imperiale, Philippe Moireau

Paper

12:00 Iterative helioseismic holography-Inversions for solar differential rotation

Main speaker: Björn Müller

Speakers: Björn Müller, Thorsten Hohage, Laurent Gizon, Damien Fournier

Paper

10:30 → 12:30 (41D) Numerical methods for spectral problems

Convener: Markus Wess

10:30 Solution of a non-linear eigenvalue problem for Photonic Crystal Fiber applications

Main speaker: Jean-René Poirier

Speakers: Jean-René Poirier, Ronan Perrussel

Paper

11:00 Modal computation for open waveguides

Main speaker: Augustin Leclerc

Speakers: Augustin Leclerc, Antoine Tonnoir, Hélène Barucq, Marc Duruflé, Christian Gout

Paper

11:30 Adapted contour integration for nonlinear eigenvalue problems in wave-guide coupled resonators

Main speaker: Kersten Schmidt

Speakers: Kersten Schmidt, Philipp Jorkowski, Carla Schenker, Luka Grubišic, Rolf Schumann

Paper

12:00 Computing eigenvalues of the Laplacian on rough domains

Main speaker: Alexei Stepanenko

Speakers: Alexei Stepanenko, Frank Rösler

Paper

10:30 → 12:30 (41E) Numerical methods for time-domain problems

Convener: Juliette Chabassier

10:30 Maximum norm error bounds for the full discretization of non-autonomous wave equations

Main speaker: Benjamin Dörich

Speakers: Benjamin Dörich, Jan Leibold, Bernhard Maier

Paper

11:00 Order-preserving non-conforming grid interfaces for boundary-optimized summation-by-parts operators

Main speaker: Vidar Stiernström

Speakers: Vidar Stiernström, Martin Almquist

Paper

11:30 Linearly implicit energy consistent time discretisation for nonlinear wave equations

Main speaker: Guillaume Castera

Speakers: Guillaume Castera, Juliette Chabassier

Paper

12:00 Non-conforming and moving grids for the simulation of waves in viscous fluids

Main speaker: Manfred Kaltenbacher

Speakers: Manfred Kaltenbacher, Dominik Mayerhofer, Hamideh Hassanpour Guilvaiee, Florian Toth

Paper

12:30 → 13:45 Lunch [for all participants]

13:45 → 14:45 (42) Plenary talk: Barbara Kaltenbacher

Convener: Thorsten Hohage

13:45 Mathematics of Nonlinear Acoustics: Modeling - Analysis - Numerics - Inverse Problems

Main speaker: Barbara Kaltenbacher

Speaker: Barbara Kaltenbacher

Paper

15:00 → 16:00 (42A) Time-harmonic multiple scattering

Convener: Pierre Millien

15:00 An Efficient Iterative High Order Numerical Method for Multiple Scattering

Main speaker: Vianey Villamizar

Speakers: Vianey Villamizar, Tahsin Khajah, Jonathan Hale, Monu Jaiswal

Paper

15:30 Asymptotic analysis for sound-hard acoustic scattering by two closely-situated spheres

Main speaker: Cory McCullough

Speakers: Cory McCullough, Camille Carvalho, Arnold Kim

Paper

15:00 → 16:00 (42B) Nonlinear problems

Convener: Reinhard Racke

15:00 Analysis and Approximation of Electromagnetic Surface Waves in Nonlinear Dispersive Media

Main speaker: Mathias Ionescu-Tira

Speakers: Mathias Ionescu-Tira, Tomáš Dohnal, Marcus Waurick

Paper

15:30 Wave power farm made of many rigid floating structures in Boussinesq regime

Main speaker: Geoffrey Beck

Speakers: Geoffrey Beck, David Lannes, Lisl Weynans

Paper

15:00 → 16:00 (42C) Inverse problems

Convener: Dmitry Ponomarev

15:00 Log-stability results for inverse coefficients problem associated with time harmonic magnetic Schrödinger operator

Main speaker: Amal Labidi

Speakers: Amal Labidi, Mourad Bellassoued, Houssem Haddar

Paper

15:30 Numerical methods for a Schrodinger equation inverse eigenvalue problem

Main speaker: Kyle Wright

Speakers: Kyle Wright, Roummel Marcia, Boaz Ilan

Paper

15:00 → 16:00 (42D) Spectral theory

Convener: Matias Ruiz

15:00 Acoustic passive cloaking using thin resonant ligaments

Main speaker: Jérémy Heleine

Speakers: Jérémy Heleine, Lucas Chesnel, Sergei Nazarov

Paper

15:30 The Weyl Law of transmission eigenvalues and the completeness of the generalized transmission eigenfunctions without the complementing conditions

Main speaker: Jean Fornerod

Speakers: Jean Fornerod, Hoai-Minh Nguyen

Paper

15:00 → 16:00 (42E) Artificial boundary conditions

Convener: Kersten Schmidt

15:00 Low-order Absorbing Boundary Conditions in HDG discretization of the convected Helmholtz equation

Main speaker: Nathan Rouxelin

Speakers: Nathan Rouxelin, Hélène Barucq, Sébastien Tordeux

Paper

15:30 Solving the water-waves problem with Laplace's free-space Green's function

Main speaker: Luiz Faria

Speakers: Luiz Faria, Alexis Anne, Anne-Sophie Bonnet-Ben Dhia

Paper

16:00 → 16:30 Coffee Break

16:30 → 18:00 (43A) Analysis for time harmonic problems

Convener: Lise-Marie Imbert-Gérard

16:30 Nonlinear Helmholtz equations with sign-changing diffusion coefficient

Main speaker: Zoïs Moitier

Speakers: Zoïs Moitier, Rainer Mandel, Barbara Verfürth

Paper

17:00 3D scalar transmission problem in presence of a conical tip of negative material

Main speaker: Mahran Rihani

Speakers: Mahran Rihani, Anne-Sophie Bonnet-Ben Dhia, Lucas Chesnel

Paper

17:30 Maxwell's equations in presence of a tip of material with negative permittivity

Main speaker: Anne-Sophie Bonnet-Ben Dhia

Speakers: Anne-Sophie Bonnet-Ben Dhia, Lucas Chesnel, Mahran Rihani

Paper

16:30 → 18:00 (43B) Frequency-domain BEM

Convener: Alessandra Aimi

16:30 Exponentially Convergent Spectral Galerkin BEM for Elastic Wave Scattering of Cracks

Main speaker: Carlos Jerez-Hanckes

Speakers: Carlos Jerez-Hanckes, Jose Pinto, Tao Yin

Paper

17:00 Computing singular and near-singular integrals in high-order boundary elements

Main speaker: Hadrien Montanelli

Speakers: Hadrien Montanelli, Houssem Haddar, Matthieu Aussal

Paper

17:30 Robust boundary integral equations of Helmholtz decomposition formulations of elastic scattering problems

Main speaker: Catalin Turc

Speakers: Catalin Turc, Víctor Domínguez

Paper

16:30 → 18:00 (43C) Inverse problems

Convener: Lucas Chesnel

16:30 On the use of phased array data for the Linear Sampling Method in an elastic waveguide

Main speaker: Arnaud Recoquillay

Speaker: Arnaud Recoquillay

Paper

17:00 Identification of a local perturbation in unknown periodic layers

Main speaker: Nouha Jenhani

Speakers: Nouha Jenhani, Yosra Boukari, Houssem Haddar

Paper

17:30 The Time Domain Linear Sampling Method for Maxwell's equations

Main speaker: Peter Monk

Speakers: Peter Monk, Timo Lähivaara, Virginia Selgas

Paper

16:30 → 18:00 (43D) Wave propagation in random media

Convener: Cédric Bellis

16:30 Wigner-Weyl description of radiative processes in correlated disordered semiconductor alloys

Main speaker: Jean-Philippe Banon

Speakers: Jean-Philippe Banon, Pierre Pelletier, Claude Weisbuch, Svitlana Mayboroda, Marcel Filoche

Paper

17:00 Modelling and validating average waves in random particulate materials

Main speaker: Artur Gower

Speakers: Artur Gower, Gerhard Kristensson, Stuart Hawkins

Paper

17:30 Modeling scattering from a random thin coating: asymptotic model and numerical simulations

Main speaker: Amandine Boucart

Speakers: Amandine Boucart, Sonia Fliss, Laure Giovangigli, Bruno Stupfel

Paper

16:30 → 18:00 (43E) Nonlinear problems

Convener: Harold Berjamin

16:30 Numerical Study on Spatial Evolution of Progressive Waves using Fully Nonlinear Numerical Wave Tank

Main speaker: Eun-Hong Min

Speakers: Eun-Hong Min, Weon Cheol Koo

Paper

17:00 Scattering of an Ostrovsky Wave Packet in a Delaminated Waveguide

Main speaker: Jagdeep Tamber

Speakers: Jagdeep Tamber, Tranter Matt

Paper

17:30 Higher Order Variational Time Discretizations for Nonlinear Dispersive Wave Equations

Main speaker: Nils Margenberg

Speakers: Nils Margenberg, Franz Kärtner, Markus Bause

Paper

18:15 → 23:00 Conference banquet on the Seine river [for all participants]

Friday, 29 July

07:30 → 09:00 Breakfast [for Full-Board participants]

09:00 → 11:00 (51B) Periodic and quasi-periodic media

Convener: Vincent Pagneux

09:00 Effective Wave Motion in Periodic Origami Structures

Main speaker: Bojan Guzina

Speakers: Bojan Guzina, Othman Oudghiri-Idrissi

Paper

09:30 TE band structure for honeycomb media in a high contrast regime

Main speaker: Maxence Cassier

Speakers: Maxence Cassier, Michael Weinstein

Paper

10:00 Dislocation model for hexagonal periodic graphs perturbed along the Zig Zag direction

Main speaker: Bérangère Delourme

Speakers: Bérangère Delourme, Sonia Fliss

Paper

10:30 Acoustoelasticity of soft viscoelastic solids and phononic crystals

Main speaker: Harold Berjamin

Speakers: Harold Berjamin, Riccardo De Pascalis

Paper

09:00 → 11:00 (51C) Perfectly matched layers in frequency-domain

Convener: Lothar Nannen

09:00 The Half-space Matching method and the Perfectly Matched Layers for scattering problem in anisotropic elastic media

Main speaker: Antoine Tonnoir

Speakers: Antoine Tonnoir, Eliane Bécache, Anne-Sophie Bonnet-Ben Dhia, Sonia Fliss

Paper

09:30 Radial complex scaling/PML for anisotropic scalar resonance problems

Main speaker: Martin Halla

Speaker: Martin Halla

Paper

10:00 A PML implementation for convex domains of general shape in time-harmonic acoustics

Main speaker: Axel Modave

Speakers: Axel Modave, Hadrien Bériot

Paper

10:30 Learned Infinite Elements

Main speaker: Thorsten Hohage

Speakers: Thorsten Hohage, Janosch Preuß, Christoph Lehrenfeld

Paper

09:00 → 11:00 (51E) Aeroacoustical Engineering

Convener: Guillaume Sylvand

09:00 Reduction of Leading-Edge Noise by Tailored Turbulence Anisotropy

Main speaker: Alistair Hales

Speakers: Alistair Hales, Lorna Ayton

Paper

09:30 One-Way methods for wave propagation in complex flows

Main speaker: Maëlys Ruello

Speakers: Maëlys Ruello, Clément Rudel, Sébastien Pernet, Jean-Philippe Brazier

Paper

10:30 Accounting for viscothermal boundary losses in time-domain acoustics

Main speaker: Linus Hägg

Speakers: Linus Hägg, Martin Berggren

Paper

09:30 → 11:00 (51A) High-frequency analysis

Convener: Marc Lenoir

09:30 High frequency analysis of the Dirichlet to Neumann operator for the Helmholtz equation on a coated cylinder or elliptic cylinder

Main speaker: Olivier Lafitte

Speaker: Olivier Lafitte

Paper

10:00 Oscillatory RBF for Helmholtz problems with large wavenumber

Main speaker: Mauricio Londoño

Speakers: Mauricio Londoño, Francisco Rodríguez-Cortés

Paper

10:30 High-frequency estimates and error bounds on the h-BEM for the Helmholtz exterior Neumann problem

Main speaker: Pierre Marchand

Speakers: Pierre Marchand, Jeffrey Galkowski, Euan Spence

Paper

09:30 → 11:00 (51D) Coupling methods and their applications

Convener: Bruno Després

09:30 Transient, global-in-time, convergent iterative coupling of acoustic BEM and elastic FEM

Main speaker: Alice Nassor

Speakers: Alice Nassor, Marc Bonnet, Stéphanie Chaillat

Paper

10:00 One-equation coupling of Curvilinear Virtual Element and Boundary Element methods for the wave equation in unbounded domains

Main speaker: Matteo Ferrari

Speakers: Matteo Ferrari, Luca Desiderio, Silvia Falletta, Letizia Scuderi

Paper

10:30 Discontinuous Galerkin-based domain decomposition method for boundary integral equations in electromagnetism

Main speaker: Justine Labat

Speakers: Justine Labat, Agnès Pujols, Francis Collino

Paper

11:00 → 11:30 Coffee Break

11:30 → 12:30 (51) Plenary talk: Xavier Claeys

Convener: Patrick Joly

11:30 Generalized optimized Schwarz methods in arbitrary non-overlapping subdomain partitions

Main speaker: Xavier Claeys

Speaker: Xavier Claeys

Paper

12:30 → 12:45 (52) Closing

12:45 → 14:15 Lunch [for all participants]