Cabin cabin Cabine cabine Alpha alpha absorption transmission loss TL tl C423 c423 ASTMC423 astmc423 astmC423 ASTMc423 423 astmc423 Astmc423 AstmC423 SAEJ2883 SAEj2883 saej2883 Saej2883 SaeJ2883 J2883 j2883 2883 ISO15186 iso15186 Iso15186 15186 diffuse field diffuse-field NRC nrc SAA saa Aw aw Rw rw STC stc

Mecanum 44.4 mm impedance and transmission tube - Absorption and transmission loss - ASTM E1050 ASTM E2611 ISO 10534-2

Conventional impedance tube

ASTM E1050 · ASTM E2611 · ISO 10534-2 · 35 to 6600 Hz

Normal-incidence absorption and transmission loss of circular samples.

Impedance Impedence impedance tube impedence conventional circular microphones microphone kundt Kundt E1050 ASTME1050 astme1050 ASTMe1050 E1050 e1050 astmE1050 Astme1050 AstmE1050 1050 ASTME2611 astme2611 E2611 e2611 astmE2611 Astme2611 AstmE2611 2611 ISO10534-2 ISO10534 iso10534-2 iso10534 Iso 10534 Iso10534-2 10534 10534-2 absorption transmission loss TL tl normal-incidence normal incidence

Mecanum 38.1 square impedance and transmission tube - Absorption and transmission loss for metamaterials - ASTM E1050 ASTM E2611 ISO 10534-2

Square impedance tube

ASTM E1050 · ASTM E2611 · ISO 10534-2 · 35 to 4300 Hz

Normal-incidence absorption and transmission loss of square samples and metamaterials.

Impedance Impedence impedance tube impedence square microphones microphone kundt Kundt E1050 ASTME1050 astme1050 ASTMe1050 E1050 e1050 astmE1050 Astme1050 AstmE1050 1050 ASTME2611 astme2611 E2611 e2611 2611 astmE2611 AstmE2611 Astme2611 ISO10534-2 ISO10534 iso10534-2 iso10534 Iso 10534 Iso10534-2 10534 10534-2 absorption transmission loss TL tl metamaterial meta material materials metamaterials normal-incidence normal incidence

Mecanum high level impedance and transmission tube - Absorption and transmission loss - Up to 155 dB - ASTM E1050 ASTM E2611 ISO 10534-2

High-level impedance tube

ASTM E1050 · ASTM E2611 · ISO 10534-2 · 300 to 6300 Hz

Surface impedance and non-linear behavior of liners and perforated plates at high sound levels, up to 155 dB.

Impedance Impedence impedance tube impedence microphones microphone kundt Kundt E1050 ASTME1050 astme1050 ASTMe1050 E1050 e1050 astmE1050 Astme1050 AstmE1050 1050 ASTME2611 astme2611 E2611 e2611 astmE2611 Astme2611 AstmE2611 2611 ISO10534-2 ISO10534 iso10534-2 iso10534 Iso 10534 Iso10534-2 10534 10534-2 absorption transmission loss TL tl normal-incidence normal incidence liner liners aeronautical perforated plates plate high level highlevel

Mecanum high frequency impedance and transmission tube - For electriv vehicule and eVTOL - ASTM E1050 ISO 10534-2

High-frequency impedance tube

ASTM E1050 · ISO 10534-2 · 300 to 10 kHz

High-frequency sound absorption up to 10 kHz, for electric motor and eVTOL noise.

Impedance Impedence impedance tube impedence microphones microphone kundt Kundt E1050 ASTME1050 astme1050 ASTMe1050 E1050 e1050 astmE1050 Astme1050 AstmE1050 1050 ISO10534-2 ISO10534 iso10534-2 iso10534 10534 10534-2 Iso 10534 Iso10534-2 absorption normal-incidence normal incidence high frequency highfrequency electric motor automotive EV eVTOL evtol propulsion

Asphalt impedance tube

ISO 13472-2 · 250 to 1600 Hz · In situ testing

In-situ sound absorption of road surfaces.

Impedance Impedence impedance tube impedence microphones microphone kundt Kundt ISO13472-2 ISO13472 iso13472-2 iso13472 13472 13472-2 Iso13472-2 Iso13472 absorption normal-incidence normal incidence asphalt road surface surfaces traffic pavement pavements pollution rolling noise

Airflow resistance meter

ASTM C522 · ISO 9053-1 · From 0.5 mm/s

Static airflow resistivity of open-cell porous materials.

ASTMC522 astmc522 ASTMc522 astmC522 AstmC522 Astmc522 C522 c522 522 ISO9053-1 ISO9053 Iso9053-1 Iso9053 iso9053-2 iso9053 9053 9053-2 static airflow Airflow Resistance resistance Resistivity resistivity open-cell open cell porous flow permeability velocity absorption

Porosity and density meter

Open porosity 0-99.9% · Bulk density from 0.1 kg/m³

Open porosity and true bulk density of open-cell porous materials.

Porosity porosity Density density pycnometer bulk open open-cell open cell porous absorbing Biot biot

Mecanum quasi-static mechanical analyzer - Young’s modulus Poisson’s ratio damping loss factor - ISO 18437-5

Quasi-mechanical analyzer

ISO 18437-5 · 29 to 100 mm

Young’s modulus, Poisson’s ratio and loss factor of porous materials.

ISO18437-5 ISO18437 iso18437-5 iso18437 Iso18437-5 Iso18437 18437-5 18437 young young’s Young Young’s modulus Poisson Poisson’s poisson poisson’s ratio loss factor porous biot Biot biot mechanical damping absorbing absorption elastic

Tortuosity meter

1-gas or 2-gas · Up to 1000 kHz

Tortuosity and characteristic lengths of porous materials, by ultrasound.

tortuosity Tortuosity characteristic length lenght lengths lenghts porous ultrasound gas ultrasonic noise control reflection transmission biot Biot high-frequency high frequency

High-flow resistance meter

Up to 280 cm/s · Resistive materials & perforates

Airflow resistance of highly resistive materials: liners, resistive films, perforated plates.

high High flow resistance resistivity resistive liners liner perforated plates plate films film aeronautical pressure drop permeability

Oberst beam

ASTM E756 · ISO 6721 · SAE J1637 · 5 to 5000 Hz

Damping of viscoelastic materials versus temperature and frequency, from -40 to 130 °C.

damping Damping Oberst oberst beam visco viscoelastic temperature frequency climatic loss factor Young Young’s young young’s shear modulus vehicule automotive nomogram 3D graph ASTME756-05 astme756-05 AstmE756-05 Astme756-05 ASTME756 astme756 AstmE756 Astme756 ASTMe756-05 ASTMe756 astmE756-05 AstmE756-05 astmE756 AstmE756 E756 e756 756 E756-05 e756-05 756-05 ISO6721 iso6721 Iso6721 6721 SAEJ1637 saej1637 saeJ1637 SAEj1637 SaeJ1637 Saej1637 J1637 j1637 1637

Center point

ISO 16940 · SAE J3130 · JIS G 0602 · 5 to 5000 Hz

Young’s modulus, shear modulus and damping of elastic and viscoelastic materials, from 0 to 60 °C.

damping Damping visco viscoelastic temperature frequency climatic loss factor Young Young’s young young’s shear modulus vehicule automotive nomogram 3D graph free-free free beam ISO16940 iso16940 Iso16940 16940 SAEJ3130 saej3130 SaeJ3130 SaeJ3130 SAEj3130 saeJ3130 J3130 j3130 3130 JISG0602 jisg0602 Jisg0602 JisG0602 JISg0602 jisG0602 G0602 g0602 0602

Brake damping test bench

SAE J3001 · 300 Hz to 13 kHz

Damping of brake pad insulator shims versus frequency and temperature, from -10 to 120 °C.

Damping damping brake pad insulator insulators shim shims frequency temperature pad pads SAEJ3001 saej3001 Saej3001 SaeJ3001 SAEj3001 saeJ3001 J3001 j3001 3001

Mecanum Custom High-Flow Resistivity Meter for Snow Testing

Custom instruments

Built around your testing challenge

Measurement systems designed for your specific material or test configuration.

custom personnalized personalized personnalised personalised adapted modified tailored non-standard

NOVA

Absorption, TL, Impact · STC, Rw, SAA, αw, IIC

Design and optimize multilayer acoustic treatments, from porous layers to metamaterials.

software nova NOVA Nova absorption TL tl transmission loss impact STC stc Stc Rw RW rw SAA Saa saa aw Aw IIC Iic iic Lnw lnw Ln,w ln,w multilayer multilayers porous layers metamaterial metamaterials solid elastic fibrous perforated plates plate laminated panels panel Helmholtz helmholtz resonator resonators simulation single parallel excitation tapping machine micro-macro micro macro JCAL jcal JCA jca Biot biot auralization auralisation NVH nvh foam fiber foams fibers insulation transfer matrix matrices

FOAM-X

Inverse characterization · JCA · JCA-Lafarge (JCAL) · Biot

Convert impedance tube measurements into simulation-ready material parameters.

software FOAM-X foam-x FOAMX foamx Foam-x Foam-X foam-X foamX porous fibrous perforated fabric impedance tube impedence Impedance kundt Kundt tubes inverse characterization characterisation JCA JCAL jca jcal Jca Jcal Lafarge lafarge Biot biot extraction parameters parameter open porosity airflow resistivity tortuosity thermal viscous characteristic length lengths lenght lenghts permeability Young’s young’s Young young modulus Poisson’s poisson’s Poisson poisson ratio loss factor damping sensitivity

Acoustalink

Client-server database · Instrument connectivity

Store and share vibro-acoustic material parameters and files across your team.

software vibro-acoustic database client-server biot Biot JCA JCAL jca jcal Jca Jcal file files store storage data library multi-user multi-users acoustalink Acoustalink

VA One

FE · BEM · SEA · Hybrid · Full frequency range

Full-frequency vibro-acoustic simulation combining FE, BEM and SEA.

software vibro-acoustic simulation platform Finite Element finite element FE Boundary Element boundary BEM Statistical Energy Analysis statistical energy SEA hybrid NVH nvh radiation TL tl

JCAL/Biot characterization

ISO 9053-1 · ASTM C522 · ISO 18437-5

Full JCAL and Biot parameter set of your porous materials, ready for simulation.

JCAL JCA jcal jca Jcal Jca Biot biot characterization characterisation caracterization caracterisation porous simulation open porosity airflow resistivity tortuosity thermal viscous characteristic length lengths lenght lenghts permeability Young’s young’s Young young modulus Poisson’s poisson’s Poisson poisson ratio loss factor ISO 9053-1 iso9053-1 ISO9053 iso9053 9053 9053-1 ASTMC522 astmc522 C522 c522 AstmC522 Astmc522 ISO18437-5 iso18437-5 ISO18437 iso18437 Iso18437-5 Iso18437 18437 18437-5 NVH hvh Nvh poroelastic testing testings

Mecanum Damping material characterization - ASTM E756 ISO 6721 SAE J3001

Damping characterization

ASTM E756 · ISO 6721-3 · SAE J1637 · -40 to 130 °C

Young’s modulus, shear modulus, and loss factor of your damping materials versus frequency and temperature.

damping mechanical characterization characterisation caracterization caracterisation loss factor Young Young’s young young’s shear modulus viscoelastic frequency temperature NVH nvh Nvh finite element elements modeling FE ASTME756-05 astme756-05 AstmE756-05 Astme756-05 ASTME756 astme756 AstmE756 Astme756 ASTMe756-05 ASTMe756 astmE756-05 AstmE756-05 astmE756 AstmE756 E756 e756 756 E756-05 e756-05 756-05 ISO6721 iso6721 Iso6721 6721 SAEJ1637 saej1637 saeJ1637 SAEj1637 SaeJ1637 Saej1637 J1637 j1637 1637 ISO16940 iso16940 Iso16940 16940 SAEJ3130 saej3130 SaeJ3130 SaeJ3130 SAEj3130 saeJ3130 J3130 j3130 3130 JISG0602 jisg0602 Jisg0602 JisG0602 JISg0602 jisG0602 G0602 g0602 0602 SAEJ3001 saej3001 Saej3001 SaeJ3001 SAEj3001 saeJ3001 J3001 j3001 3001 testing testings

Mecanum Diffuse-field acoustic testing - ASTM C423 ISO 11654 SAE J2883 ASTM E2249 ISO 15186-1 SAE J1400 SAE J2846

Diffuse-field testing

ASTM C423 · SAE J2883 · ISO 15186 · NRC · SAA · STC

Diffuse-field absorption and transmission loss of your materials, to recognized standards.

diffuse-field diffuse field absorption transmission loss tl TL characterization characterisation caracterization caracterisation NRC nrc Nrc SAA saa Saa STC stc Stc ASTMC423 ASTMc423 astmc423 astmC423 Astmc423 AstmC423 C423 c423 423 SAEJ2883 SAEj2883 saej2883 Saej2883 SaeJ2883 J2883 j2883 2883 ISO15186 iso15186 Iso15186 15186 ASTME2249 ASTMe2249 AstmE2249 Astme2249 astme2249 astmE2249 E2249 e2249 2249 SAEJ1400 SAEj1400 SaeJ1400 Saej1400 saej1400 saeJ1400 J1400 j1400 1400 SAEJ2846 SAEj2846 SaeJ2846 Saej2846 saej2846 saeJ2846 J2846 j2846 2846 cabin cabine alpha Cabin cabin cabine Cabine Alpha testing testings

Impedance tube testing

ISO 10534-2 · ASTM E1050 · ASTM E2611 · NSAC · NSTL

Normal-incidence absorption and transmission loss of your materials.

NSAC nsac Nsac NSTL nstl Nstl characterization characterisation caracterization caracterisation absorption transmission loss tl TL normal-incidence normal incidence impedance tube impedence Impedance Impedence kundt Kundt E1050 ASTME1050 astme1050 ASTMe1050 E1050 e1050 astmE1050 Astme1050 AstmE1050 1050 ASTME2611 astme2611 E2611 e2611 astmE2611 Astme2611 AstmE2611 2611 ISO10534-2 ISO10534 iso10534-2 iso10534 Iso 10534 Iso10534-2 10534 10534-2

R&D projects

Co-development · Simulation & lab testing

Collaborative engineering, advanced simulation, and lab testing for acoustic solutions.

Co-development custom simulation lab testing laboratory solutions solution models model validation independant software

Absorption & TL

JCAL & Biot

Damping & Mechanical

Software

Services

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Automotive

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Acoustic measuring instruments, software and services

Acoustic test cabin