Workshop on Metamaterials: from Optics to Geophysics

Mon. 15

Tue. 16

Wed. 17

09:00

10:00

11:00

12:00

13:00

14:00

15:00

16:00

17:00

18:00

19:00

20:00

21:00

22:00

Participants Registration & Breakfast

9:00 - 9:30 (30min)

Participants Registration & Breakfast

Theater Rouard - St Jérôme of Aix-Marseille Université (AMU)

Organisers & Partners Welcome Speech

9:30 - 9:40 (10min)

Organisers & Partners Welcome Speech

Homogenization and wave modelling

9:40 - 11:00 (1h20)

Homogenization and wave modelling

Vincent PAGNEUX

› Seismic and elastic metamaterials and their setting within broader metamaterials - Richard Craster, Imperial College London, UK 09:40-10:00 (20min)

› High order homogenized model for the scattering by 1D layered structures in critical conditions - Agnès Maurel, ESPCI, Institut Langevin, Paris, France 10:00-10:20 (20min)

› Numerical modeling for scattering of transient acoustic waves by resonant interfaces - Marie Touboul, LMA, Marseille, France 10:20-10:40 (20min)

› Spectral theory and limiting amplitude principle for Maxwell's Equations at the interface of a metamaterial - Maxence Cassier, Institut Fresnel, Marseille, France 10:40-11:00 (20min)

Coffee break

11:00 - 11:20 (20min)

Coffee break

Homogenization and wave modelling

11:20 - 12:00 (40min)

Homogenization and wave modelling

Agnes MAUREL

› Surface plasmons of geometrically singular nanostructures - Sanghyeon Yu, ETH Zurich, Switzerland 11:20-11:40 (20min)

› Scattering of gravity waves by a periodically structured ridge of finite extent - Kim Pham, ENSTA, Palaiseau, France 11:40-12:00 (20min)

Lunch Break

12:00 - 14:00 (2h)

Lunch Break

Seismic Metamaterials

14:00 - 15:20 (1h20)

Seismic Metamaterials

Jean-François SEMBLAT

› “Seismic Metabases": Implementation of the Kdamper as a seismic absorption base: a spectra driven feasibility assessment - Ioannis A. Antoniadis, National Technical University of Athens, Greece 14:00-14:20 (20min)

› Pillar Structures for Acoustic Metamaterials and Phononic Crystals - Yan Pennec, IEMN, Lille, France 14:20-14:40 (20min)

› On seismic protection using meta-foundations: a proof of concept application to low-rise buildings - Vasilis Dertimanis, ETH Zurich (DBAUG), Switzerland 14:40-15:00 (20min)

› A chance to go further in seismic design thanks to metamaterials - Stéphane Brulé, Menard Dynamic Soil Laboratory, Lyon, France 15:00-15:20 (20min)

Tea Break

15:20 - 15:40 (20min)

Tea Break

Seismic Metamaterials
Open discussion on the future of Seismic Metamaterials

15:40 - 18:00 (2h20)

Seismic Metamaterials

Ioannis A. ANTONIADIS

› Physical principles of seismic metamaterials faced with earthquake engineering constraints - Claude Boutin, ENTPE, Vaulx-en-Velin, France 15:40-16:00 (20min)

› Propagation of seismic waves in natural or artificial heterogeneous media - Jean-François Semblat, IMSIA/ENSTA Paris Tech, Palaiseau, France 16:00-16:20 (20min)

› Lab-scale experiment: impact of resonators on seismic waves using a 3D laser vibrometer - Lucas Pomot, Laboratoire de Mécanique et dÁcoustique [Marseille] 16:20-16:40 (20min)

› Seismic wave shield using cubic arrays of split-ball resonators - Bogdan Ungureanu, Imperial College London, UK 16:40-17:00 (20min)

› A new trend toward seismic metamaterials: the metaforet project - Martin Lott, ISTerre, Grenoble, France 17:00-17:20 (20min)

› Metamaterials with applications in the construction field - Victoria & Laura-Teodora Cotorobai, Technical University Gheorghe ASACHI from Iași, Romania 17:20-17:40 (20min)

17:40 - 18:00 (20min)

Open discussion on the future of Seismic Metamaterials

Breakfast

9:00 - 9:20 (20min)

Breakfast

Topology and wave modelling

9:20 - 11:00 (1h40)

Topology and wave modelling

Richard CRASTER

› Majorana sound and intersecting mechanical nodal rings - Johan Christensen, UC3M, Madrid, Spain 09:20-09:40 (20min)

› Geometrically engineering topological networks - Mehul Makwana, Imperial College London, UK 09:40-10:00 (20min)

› Guided waves along a domain wall of a water wave crystal - Vincent Laude, FEMTO-ST, Besançon, France 10:00-10:20 (20min)

› Scattering and PT symmetry - Vincent Pagneux, LAUM, Le Mans, France 10:20-10:40 (20min)

› Reflection of Gaussian beams on an impedance wall in a shear flow : lateral displacement and perfect absorption. - Charlotte Saverna, LAUM, Le Mans, France 10:40-11:00 (20min)

Coffee break

11:00 - 11:20 (20min)

Coffee break

Micromorphic and Eringen continuum mechanics

11:20 - 12:00 (40min)

Micromorphic and Eringen continuum mechanics

Bruno LOMBARD

› Transparent relaxed micromorphic description of anisotropy in metamaterials - Angela Madeo, INSA Lyon, France 11:20-11:40 (20min)

› Metamaterials and Elasticity Beyond Cauchy - Muamer Kadic, FEMTO-ST, Besançon, France 11:40-12:00 (20min)

Lunch

12:00 - 14:00 (2h)

Lunch

Homogenization and wave modelling

14:00 - 15:20 (1h20)

Homogenization and wave modelling

Claude BOUTIN

› Multiscale Model Reduction for Heterogeneous Problems - Guanglian Li, Imperial College London, UK 14:00-14:20 (20min)

› Modal expansion for non-linear eigenproblems - Frédéric Zolla, Institut Fresnel, Marseille, France 14:20-14:40 (20min)

› Acoustic metamaterials with resonances: Time-domain formulation and numerical modelling - Bruno Lombard, LMA, Marseille, France 14:40-15:00 (20min)

› Coupled model and homogenization of dielectric-ferroelectric metamaterials. - Benjamin Vial, Queen Mary University of London, UK 15:00-15:20 (20min)

Tea Break

15:20 - 15:40 (20min)

Tea Break

Acoustics, optics and their application

15:40 - 17:40 (2h)

Acoustics, optics and their application

Vincent LAUDE

› Asymptotic modelling of phononic box crystals - Alice Vanel, ETH, Zurich, Switzerland 15:40-16:00 (20min)

› Two-orders fast multipole analysis of meta-atoms - Geoffroy Klotz, CEA DAM/Le Ripault & Institut Fresnel, Marseille, France 16:00-16:20 (20min)

› The boundary integral equation method for the wave scattering from randomly rough surfaces - Gabriel Soriano, Institut Fresnel, Marseille, France 16:20-16:40 (20min)

› Topological optimization of dispersive properties of periodic materials - Rémi Cornaggia, LMA, Marseille, France 16:40-17:00 (20min)

› Eigenstate normalization for open and dispersive systems - Brian Stout, Institut Fresnel, Marseille, France 17:00-17:20 (20min)

› Morphing algorithms and applications to numerical simulations. - Ronald Aznavourian, AXYN Robotique, Meyreuil, France 17:20-17:40 (20min)

Poster session

17:40 - 18:00 (20min)

Poster session

› On the possibility of using metamaterials in the field of renewable energy technologies - Victoria Cotorobai, Technical University Gheorghe ASACHI from Iași, Romania 17:40-18:00 (20min)

› Scientific and technical speculations on the use of metamaterials in telemedicine - Laura-Teodora Cotorobai, Technical University Gheorghe ASACHI from Iași, Romania 17:40-18:00 (20min)

Round Table

18:00 - 19:00 (1h)

Round Table

chairs - Ioannis A. ANTONIADIS & Richard CRASTER

Social Dinner

20:00 - 22:00 (2h)

Social Dinner

Breakfast

9:00 - 9:20 (20min)

Breakfast

Topology and wave modelling

9:20 - 11:00 (1h40)

Topology and wave modelling

Mehul MAKWANA

› Negative inertia and localised flexural modes along a ring-shaped structure of resonators - Alexander Movchan, University of Liverpool, UK 09:20-09:40 (20min)

› Slow-sound laser in lined flow ducts - Antonin Coutant, LAUM, Le Mans, France 09:40-10:00 (20min)

› Wavefront shaping with soft gradient-index metasurfaces - Thomas Brunet, Institut de Mécanique et d’Ingénierie, Talence, France 10:00-10:20 (20min)

› Graded metasurfaces for wave manipulation on thin elastic plates - Gregory Chaplain, Imperial College London, UK 10:20-10:40 (20min)

› Topological Fano resonances - Romain Fleury, EPFL, Lausanne, Switzerland 10:40-11:00 (20min)

Coffee break

11:00 - 11:20 (20min)

Coffee break

Seismic Metamaterials

11:20 - 12:20 (1h)

Seismic Metamaterials

Muamer KADIC

› Needs for realistic soil behaviour modelling to seismic protection - Saad Bensallam, Ecole Hassania des Travaux Publics, Casablanca, Morocco 11:20-11:40 (20min)

› Elastic wave enhancement in pinned platonic crystals - Younes Achaoui, Moulay Ismail University, Meknes, Morocco 11:40-12:00 (20min)

› Metamaterials and seismic waves in 4-square metres - Andrea Colombi, ETH Zurich, Switzerland 12:00-12:20 (20min)

Lunch Break & Farewell

12:20 - 14:00 (1h40)

Lunch Break & Farewell

Social trip

14:00 - 18:00 (4h)

Social trip