Archives de l’auteur : DENORMS CA 15125

A propos DENORMS CA 15125

DENORMS (Designs for Noise Reducing Materials and Structures) Action, CA 15125, is funded by the European Cooperation in Science and Technology (COST). DENORMS Action activities were launched on the 9th March 2016 for 4 years.

Training School 5

Use and characterisation of new acoustic treatments and tools

Budapest (Hungary), 16-18 December 2019

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DENORMS Action’s 5th Training School “Use and characterisation of new acoustic treatments and tools” was held from 16th to 18th December 2019 in Budapest (Hungary), organised by Óbuda University.

This Training school was aimed at the industrial partners and Early Career Investigators. The training was offered in both theoretical and experimental aspects of developing new sound absorbing and sound controlling structures.

During the first day, the refresher training courses were organised covering the basic theory of sound interaction with porous materials and metamaterials. During the following two days lectures and practical sessions familiarised the audience with the new methods used in design of conventional and metamaterial based noise reducing treatments.

More information on the program of the Training School.


Slides of the lectures

  • Day 2, December 17 2019 Porous materials
    •  C. Perrot (Université Paris-Est Marne-la-Vallée – UPEM), Introduction to homogenisation theory and its application to porous materials design.
    • T. Cavalieri (LAUM, UMR CNRS 6613, Safran Aircraft Engines): Practical session on design/manufacturing (including rapid manufacturing) and characterisation of porous materials.
  • Day 3, December 18 2019 Acoustic metamaterials

Social activities

  • Day 1: Sightseeing, visit of Budapest, boat tour.
  • Day 1: YAN social event, beers for free!
  • Day 2: Diner at Thököly Restaurant.

Organizing Committee

Lívia Cvetityánin, Erika Hronyecz, and Katalin Lévay (Local organiser)
Jean-Philippe Groby (DENORMS Chair)
Olga Umnova (DENORMS Vice-Chair)
Arnaud Duval (WG 3 Leader)

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Training School 4

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« Wave propagation in complex and microstructured media »

DENORMS Action Training School 4 « Wave propagation in complex and microstructured media » was held from 20th to 30th August 2019 in Cargèse (FR).

This Training School, co-organised by PMMH, UMR CNRS 7636, LAUM, UMR CNRS 6613, Institut Langevin, UMR CNRS 7537, and POEMS, UMR CNRS 7231, aimed at presenting the latest theoretical advances and experimental activities in the field of wave propagation in complex media, with a particular focus on wave guides in different contexts including the case of microstructured media, typically metamaterials.

The main objective of the school was the pooling of knowledge in this domain so that participants can learn the formalisms – techniques – methods – tools from the different communities of wave physics and thus, enlarge their knowledge for their own research. The interdisciplinary nature of this school should generated exchanges and collaborations between the different communities involved in this subject.

The affected wave domains covered acoustics, elastodynamics, electromagnetism as well as water waves.

More information in the Training School website and on the program.


Slides of the lectures

First week « Effective dynamics of microstructured media »

Other slides of the lecture will soon be available.

Second week « Guided Waves »

Other slides of the lecture will soon be available.

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Workshop 8 – Final event

DENORMS Action Final event

Coimbra (PRT) – 18th-21st February 2020

UnivCoimbra

The COST funding for four years of networking activities is coming to an end. To celebrate the networking achievements of the these four years, the DENORMS Action Final event will take place from 18th to 21st Feb. 2020 in Coimbra (Portugal) and will be the occasion of promoting the Action’s breakthroughs.

Three specific activities will be developed:

  • Scientific presentations from selected STSM (Short Term Scientific Mission) awarded researchers and internationally recognized researchers.
  • Presentation and dissemination of the four Round Robin Tests achieved within the Action.
  • Three popularization talks on acoustics / building acoustics / acoustic materials as appetizers before the exhibition “Acoustics and beyond” vernissage at the University of Coimbra’s Museum of Science.

A complete social program will accompany the scientific exchange and dissemination program with daily proposed events.

Coimbra has remnants of 2,000 years of history. Roman Empire constructions coexist with internationally renowned modern buildings. Capital of the Portuguese Kingdom in bygone ages and meeting point of several cultures, Coimbra combines a rich architectonic and historical heritage with modern facilities for the arts and sports and green, open-air spaces.
Read more on http://worldheritage.uc.pt/.

Tentative Time Schedule


Tuesday 18th Feb.Amphitheater ACIV (Floor 2), Department of Civil Engineering, Faculty of Sciences and Technology, Pólo II campus (Rua Luis Reis Santos, 3030-788 Coimbra)


  • 15h00 – 17h00 : MC meeting (only for MC members)

Wednesday 19th Feb. Auditorium Laginha Serafim (Floor 3), Department of Civil Engineering, Faculty of Sciences and Technology, Pólo II campus (Rua Luis Reis Santos, 3030-788 Coimbra)


  • 8h30 Registration
  • 9h00 Welcoming words and opening ceremony

Presentation from selected STSM (Short Term Scientific Mission) awarded researchers and Working Group meetings

  • Session 1 (9h20 – 11h20): Chair Alejandro Cebrecos
    • 9h20 – 9h45 Camille Perrot (LMSME, UMR CNRS 8208, Paris Est), Identification of representative volume elements of glass wool panels
    • 9h45 – 10h10 Vicente Romero-García (LAUM, UMR CNRS 6613), Plate-type acoustic metamaterials for acoustic absorption
      • 10h10 – 10h30 Coffee break
    • 10h30 – 10h55 Milan Cervenka (Czech Technical University in Prague), Compact wideband reactive silencers with annular resonators
    • 10h55 – 11h20 Noé Jiménez (I3M, CSIC), How to design thin sound diffusers for room acoustics based on metasurfaces: metadiffusers
      • 11h20 – 11h30 Break
    • 11h30 – 12h00 Working Group 1 meeting
      • 12h00 – 13h00 Lunch break
  • Session 2 (13h00-14h40): Chair Jesus Carbajo
    • 13h00 – 13h25 Stefan Dimitrijevic (University of Belgrade), Sound Insulation and Reflection Properties of Sonic Crystal Barrier Based on Micro-Perforated Cylinders
    • 13h25 – 13h50 Viktor Hurska (Czech Technical University in Prague), Transmission and generation of sound in corrugated duct
    • 13h50 – 14h15 Lluis Garcia Raffi (Univ. Politècnica de València), Acoustic stealth materials
    • 14h15 – 14h40 Alejandro Cebrecos (Univ. Politècnica de València), Statistic effects in soft architected metamaterials
      • 14h40 – 14h50 Break
    • 14h50 – 15h20 Working Group 2 meeting
      • 15h20 – 15h40 Coffee break
  • Session 3 (15h40-17h20): Chair V. Hurska
    • 15h40 – 16h05 Eric Ballestero (London South Bank University), Measuring the Scattering Properties of a 3D-Printed Acoustic Metadiffuser
    • 16h05 – 16h30 Bart Van Damme (EMPA), Modelling acoustic absorption of perforated gypsum foams
    • 16h30 – 16h55 Tao Yang (Technical University of Liberec), Estimating non-acoustical parameters of polyester fibrous material via Bayesian inversion procedure
    • 16h55 – 17h20 Jesus Carbajo ( of Alicante), Manufacturing techniques for perforated metamaterials
      • 17h20-17h30 Break
    • 17h30 – 18h00 Working Group 3 meeting

20h  Diner at Restaurant Solar do Bacalhau -Rua da Sota, 12, Coimbra- (EUR 23.50 to be paid at the registration desk)


Thursday 20th Feb.Auditorium Laginha Serafim (Floor 3), Department of Civil Engineering, Faculty of Sciences and Technology, Pólo II campus (Rua Luis Reis Santos, 3030-788 Coimbra)


  • Morning session: Presentation and dissemination of the Round Robin Tests – Chairs: Nicolas Dauchez and Olga Umnova
    • 8h50 – 9h20 Tomasz G. Zielinski (IPPT PAN), Round-Robin Test on 3D-printed Sound Absorbing Porous Materials
    • 9h20 – 10h20 Chiara Scrosati (Italian National Research Council), Round Robin Test on low frequencies in impedance tube and reverberation room
      • 10h20 – 10h50 Coffee Break
    • 10h50 – 11h35 Paolo Bonfiglio (Materiacustica srl), Round Robin test on elastic properties of poro- and viscoelastic materials for vibro-acoustic applications
    • 11h35 – 12h00 Fabien Chevillotte (Matelys – Research Lab), Porous materials and their standards as of 2019
      • 12h00 – 13h30 Lunch break
  • Afternoon session: Scientific presentations from internationally recognized researchers – Chairs: Tomasz Zielinski and Arnaud Duval
    • 13h30 – 14h Daniel Torrent (Univ. Jaume I), Advanced artificial structures for the control of acoustic, mechanic and thermal energy
    • 14h00 – 14h30 Gautier Lefebvre (Univ. Technologie Compiègne), Prediction of localization in 2D disordered vibrating systems
    • 14h30 – 15h Laurent De Ryck (Siemens – PLM Software), On the psychoacoustics of metamaterials: A comparative listening test and design recommendations
      • 15h00 – 15h30 Coffee break
    • 15h30 – 16h00 Lucas Van Belle (KULeuven), Measuring dispersion curves for vibro-acoustic metamaterials
    • 16h00 – 17h00 Arnaud Duval (Trèves) and Fabien Chevillotte (Matelys – Research Lab), White book on industrial problems
      • 17h05 Closing ceremony

19h30 Walking tour in the old campus of the University of Coimbra (Polo I) – Meeting Point lateral entrance of the Botanic Garden / Arches of the Aqueduct São Sebastião

20h30 Diner at the 5 star luxury historical Hotel Quinta das Lágrimas – Rua António Augusto Gonçalves, Coimbra – (EUR 23.50 to be paid at the registration desk). The bus round trip from the city centre to the hotel and back is organised.


Friday 21st Feb.Science Museum of the University of Coimbra, Pólo I campus (Largo Marquês de Pombal, 3000-272 Coimbra)


  • Popularization talks – Chairs: Bart Van Damme and Daniel Torrent
      • 9h15 – 9h30 Welcoming words
    • 9h30 – 10h30 Vincent Tournat (LAUM, UMR CNRS 6613), General Acoustics
      • 10h30 – 11h00 coffe break
    • 11h00 – 12h00 Bruno Fazenda (Univ. of Salford), Rooms Acoustics
      • 12h00 – 14h00 Lunch break
    • 14h00 – 15h00 Mathieu Gaborit (KTH) and Marco Miniaci (IEMN, UMR CNRS 8520), Acoustic materials
  • Visit of the Science museum and exhibition “Acoustics and beyond” vernissage
    • 15h10 Visit of the Science museum of the University of Coimbra and of the temporary exhibition Acoustics and beyond
    • 16h00 Acoustics and beyond vernissage

Full definitive printable program is also available here. Usefull maps can be found here.

Sites of interests

Coimbra has a rich architectural and historical heritage that is well worth a visit. Some visits directly related to the University are recommended:

  • the University’s former campus, a UNESCO World Heritage Site.
  • the College of Jesus, which includes the Physics Laboratory (18th and 19th centuries) and the Natural History Collection (18th century) of the Science Museum of the University of Coimbra.
  • the 18th Century Botanical Garden of the University of Coimbra, located next to the old campus of the University, created to complement Natural History and Medical Studies.

In addition, a visit to some of Coimbra’s many interesting historical sites is highly recommended, such as:

  • the Machado de Castro Museum, one of the most important Fine Arts museums in Portugal, located in the former Episcopal Palace, in a 12th century building built on the vast Roman foundations of the Cryptoporticus.
  • the ancient abbeys of Santa Clara and São Francisco (recently renovated and housing the Coimbra Congress Centre), both located on the left bank of the Mondego River.
  • the historic site of Quinta das Lágrimas and its gardens.
  • the archaeological site of the Roman city of Conímbriga, 10 km from Coimbra.

Venue

The 18th, 19th and 20th Feb. sessions will be held in the Department of Civil Engineering, Faculty of Sciences and Technology, in the Pólo II campus (Rua Luis Reis Santos, 3030-788 Coimbra). The popularization talks and exhibition vernissage will be held on the 21st Feb. in the University of Coimbra’s Museum of Science, in the historical Pólo I campus (Largo Marquês de Pombal, 3000-272 Coimbra).

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Accomodation

There are several hotels in Coimbra, of different categories, which can be booked directly by the participants of the DENORMS Final event. Here are some of them:

Hotel Ibis Coimbra **
Edifício Topázio
Av. Emídio Navarro nº 70
3000–150 Coimbra
E-mail: h1672-gm@accor.com
Website: https://all.accor.com/hotel/1672/index.en.shtml

Hotel Botânico **
Bairro de São José, N.º 15
3030-207 Coimbra
E-mail: geral@hotelbotanicocoimbra.pt
Website: https://hotelbotanicocoimbra.pt/

Hotel D. Luís ***
Quinta da Várzea
3040-091 Coimbra
Phone: +351 239 802 120
E-mail: reservas@hoteldluis.pt
Website: http://www.hoteldluis.pt/en/

Tryp Coimbra ****
Av. Armando Gonçalves 20 Apt. 2056
3000-059 Coimbra
E-mail: tryp.coimbra@solmeliaportugal.com
Website: https://www.trypcoimbra.com/en

Hotel Vila Gale Coimbra ****
Rua Abel Dias Urbano 20
3000-001 Coimbra
E-mail: coimbra.eventos@vilagale.com
Website: https://www.vilagale.com/en/hotels/center-of-portugal/vila-gale-coimbra

You can also check on AirBnB for alternative accommodations.

Transport connections

How to reach Coimbra?

The airports nearer to Coimbra are located in Lisboa (190 km away) and in Porto (120 km away).

There are two railway stations in Coimbra: Coimbra A– Estação Nova, “The New Station” and Coimbra-B – Estação Velha, “The Old Station”. All trains stop at Coimbra B. Once there, you have to take a train to Coimbra-A (your train ticket already includes this short trip).

From Lisboa (Humberto Delgado) International Airport (recommended)

By train: you will need to take the metro (Red line) to Lisboa Oriente railway station; the journey should take approximately 10 minutes. Trains to Coimbra run every hour and you should expect the journey to take approximately 2 hours.
CP – Train schedules

By express bus: you will need to to take the metro (Red line and then Blue line to Jardim Zoológico)  to “Sete Rios” Bus Station; the journey should take approximately 45 minutes. Express buses to Coimbra run every hour and you should expect the journey to take approximately 2 hours and a half.
Check the website of the Express Buses Network for the timetable and prices.

By transfer: the shared transfer service Coimbra Airport Shuttle offers numerous daily shuttles going to or departing from the airports of Lisbon and Porto.
Check the website of the Coimbra Airport Shuttle for the timetable and prices.

From Porto (Francisco Sá Carneiro) International Airport

By train: you will need to take the metro (line E and then A) to Gare da Campanhã (the main train station in Porto). It is recommended that you travel to this station by taxi or underground metro. You will find metro station readily at the front of the airport. You should expect the journey to take approximately 45 minutes. Several trains run from Porto to Coimbra daily. You should expect the journey to take one hour and a half.
CP – Train schedules

By express bus: you will need to travel by metro (line E) until the “24 de Agosto” Stop (30 minutes). From there, walk to the Bus Station “Terminal Rodoviário », Street: “Campo 24 de Agosto, n.º 125” (2 minutes). Express buses to Coimbra run every hour and you should expect the journey to take approximately one hour and a half.
Check the website of the Express Buses Network to check the timetable and prices.

By transfer: the shared transfer service Coimbra Airport Shuttle offers numerous daily shuttles going to or departing from the airports of Lisbon and Porto.
Check the website of the Coimbra Airport Shuttle to check the timetable and prices.

Local Transportation

Coimbra is served by a public transportation Bus network which covers the urban area. The Bus lines that serve the campus “Polo II” are « 34 – Universidade – Pólo II da Universidade » and « 38 – Planalto Sta. Clara (Fórum) – Pólo II da Universidade ». Bus lines “28 – Universidade – Bairro do Ingote”, « 34 – Universidade – Pólo II da Universidade » and “B” serve the old campus, “Polo I”.

Timetables can be consulted in the website of “Transportes Urbanos de Coimbra” (S.M.T.U.C.), at http://www.smtuc.pt/en/. An overview of the network can be found at http://www.smtuc.pt/wp-content/uploads/2018/12/Mapa-redeTransportes.jpg

Catering

The Conference will cover refreshments throughout the event on 19-21 Feb. 2020 as well as the exhibition vernissage.
In addition, lunches and dinners will be organized for the participants, although not covered by the Conference.

Lunches

On the 19th and 20th Feb., participants will be able to have lunch in one of the 3 university restaurants or 2 snack bars on the « Polo II » campus.
On 21th Feb., the venue is the old « Polo I » campus, where several university restaurants and bars exist and can be used by participants.

Dinners

Social dinners will be organized on February 19th and 20th Feb. evenings, in downtown Coimbra.

Contacts

WordHeritage

Workshop 7

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Second edition of the « Symposium on Acoustic Metamaterials » (SAM)

The second edition of the « Symposium on Acoustic Metamaterials” (SAM) took place from 9th to 11th October 2019 in Ischia (Italy) and was organised by YRAM (Young Researchers in Acoustic Metamaterials), COST Action DENORMS CA 15125 and the University of Salerno.

This second Symposium on Acoustic Metamaterials was targeted to PhD candidates, Early Career Investigators (i.e. researcher whose career spun less than 8 years since the date of the PhD) and aimed at sharing new advances and breakthroughs as well as fostering the community of young researchers in the field of acoustic metamaterials. The second SAM was organised around 6 different sessions comprising 20 min talks and plenary lectures.

More information can be found on the SAM website.


Presentations

Wednesday 9th October 2019

Plenary lecture by Andrea Bergamini (EMPA): Imitating Nature and Beyond and Additive Manufacturing of Phononic Materials

Contributed talks

Plenary lecture by Jean-Philippe Groby (LAUM, UMR CNRS 6613): Bio-inspired and natural meta-fluids for sound absorption.

Contributed talks

Tuesday 10th October 2019

Plenary lecture by Richard Craster (Imperial College): Elastic Metamaterials.

Contributed talks

Friday 11th October 2019

Plenary lecture by Jensen Li (Hong Kong University of Science and Technology): Space-coilin metamaterials: from negative refraction to generating wave illusion and Willis coupling.

Contributed talks

Plenary lecture by Angela Madeo (INSA Lyon): Towards the engineering design of metamaterials’ structures through micro-morphic enriched continuum modeling.

Contributed talks

Pictures of the Workshop are available here.

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Workshop 6

« Industrial days on new acoustic treatments, acoustic metamaterials and sonic crystals »

The sixth workshop « Industrial Days on New Acoustic Treatments, Metamaterials and Sonic Crystals” organised by COST Action DENORMS took place from February 28th to March 1st in Athens, Greece.

The objective of the workshop was to facilitate dialogue and establish new collaborations between industry and academia on the topics of new acoustical materials / metamaterials. 10 companies and 8 university research groups participated in the event. The program included presentations, group work and social activities.

Each participating company had the opportunity to present its unique development capacities, products and processes (20 min + 5 min of questions) and was encouraged to propose an informal discussion topic.

COST Action DENORMS provided 30 grants covering the costs of meals and accommodation for participants in Athens.

The following companies participated in the Workshop:

  • Recticel
  • St Gobain
  • BASF
  • Trèves Group
  • Carbon Air
  • Dyson
  • Embraer
  • Matelys
  • Acoustic Metamaterials Group
  • Safran Group

AGENDA
The agenda is available here.

VENUE
National Technical University of Athens
Zografou Campus
9, Iroon Polytechniou str
15780 Zografou

PRESENTATIONS  

M. Gontier (Recticel), Technical polyurethane foam …. Acoustic performance through Chemical design

P. Leroy (St Gobain), Mineral wool and plaster board : Fabrication process, applications in buildings and opportunities for metamaterials

R. De Oliveira (BASF), Processing and chemistry for acoustic foams

A. Duval (Trèves Group), Microstructure morphology control of porous materials through processes: a manufacturing technology overview

R. Venegas (Carbon Air), Applications of multiscale porous materials in dynamics and acoustic

B. Van Damme (EMPA, Materials Science and Technology), Dealing with nonlinearity: practical measurement and modeling strategies

C. Perrot (MSME, Univ. Paris Est), Multisclale prediction of acoustic properties for glass wools: Computational study and experimental validation

I. Antoniadis (NTUA), Active and passive noise mitigation activities in DSL, NTUA

A. Paradeisiotis, I. Antoniadis (NTUA), Noise Control at the Low Frequency Range

T. Zielinski (IPPT PAN), Sound propagation and absorption in open-porosity media: Microstructure-based modelling and experimental validation

I. Perez (Dyson), Designing for acoustics: Aero-Acoustics Research at Dyson

S. Futatsugi (Embraer), A preliminary study on the use of resonant acoustic metamaterial on aircraft noise control treatment

L. Jaouen (Matelys), Characterization and modelling challenges of multiple dynamics materials aka metamaterials

S. Chen (AMG), Acoustic Metamaterials for Noise Control

J. Mardjono (Safran Group), Overview of SAFRAN acoustic absorbing material for aircraft/cabin noise reduction and future challenges

E. Deckers (KULeuven), Vibroacoustic locally resonant metamaterials applications

M. Cervenka (Czech Technical Univ. in Prague), Optimized reactive silencers composed of elongated side-branch resonators

P. H. Mareze (Coimbra Univ.), Acoustic parameters dispersion of aeronautical materials used for noise control, and prospects studies about optimized pore geometry

J.-P. Groby (LAUM, UMR CNRS 6613), Control of the acoustics waves in the subwavelength regime: metamaterials for perfect absorption and metadiffusers

Metamaterials 2017

Special Session « Acoustic metamaterials for noise reduction » in Metamaterials 2017

The Eleventh International Congress on Artificial Materials for Novel Wave Phenomena – Metamaterials 2017 was held on 27th to 31st August 2017 in Marseille, France.

DENORMS Action (CA15125) and the working group Audible Acoustic Metamaterials of the GdR META organised a Special Session « Acoustic metamaterials for noise reduction ». This special session goal was to provide timely and high level presentations in the design of innovative, light, thin, and multi-functional noise reducing treatments and to develop objective and subjective methods and standards for their performance characterization and exploitation. This session aimed at bringing together scientists and engineers working on MetaMaterials/MetaSurfaces/Sonic Crystals and non-conventional porous material based structures.

Topics included:

  • Acoustic metamaterials, graded media, phononic crystals,
  • Linear/nonlinear wave propagation in periodic structures,
  • Homogenization of audible composites,
  • Modulated phononics crystals and metamaterials,

For more information, see the meeting website http://congress2017.metamorphose-vi.org.

ISMA 2018

Special session at the ISMA2018 Noise and Vibration Engineering Conference

A DENORMS special session will be held during the ISMA2018 Noise and Vibration Engineering Conference. The conference is organised by the division PMA of the KU Leuven in Leuven (Belgium) from 17 to 19 September 2018.

Abstracts for this special session can be submitted via the regular procedure of the conference, which can be found on https://www.isma-isaac.be/isma2018/abstract-submission/, but ‘DENORMS’ must be entered in the remarks field to the programme committee.

The deadline of the abstract submission for  special sessions is 15/02/18.

The ISMA2018 Noise and Vibration Engineering Conference is the 2018’s edition of a sequence of biennial international conferences on noise and vibration engineering, structural dynamics and modal testing. Since 2012 the ISMA conference is organized in conjunction with the USD conference on Uncertainty in Structural Dynamics. The 2016 edition of ISMA/USD conference was attended by more than 600 participants from academia and industry. The technical programme counted approximately 450 technical papers scheduled into 8 parallel tracks and 4 plenary poster sessions. Full conference proceedings will be published digitally and submitted for reference in the ISI Web of Science. A single registration will grant access to both the ISMA and the USD conference.

For more information, see the meeting website http://www.isma-isaac.be or contact the ISMA Conference secretary, Mrs. L. Notré lieve.notre@kuleuven.be