Services
Matelys - AcV activties are organised according to three axis:
- Consulting
- Research
- Education
These activities applied in the fields of
- Building
- Automotive
- Aerospace
- Material manufacturing
You can have a look at our comptences and technical know-how on APMR, the Acoustical Porous Material Recipes on the web.
Consulting
- Sound absorbing and damping material expertise
- Design of end user system for sound and vibration control
- Numerical prediction of material/system performance
- Dedicated software for vibro-acoustic prediction
- Laboratory measurements
- In situ diagnosis
Research
- Sound absorbing and damping material optimisation / innovation
- Acoustic, elastic and damping characterization methods
- Vibro-acoustic porous material modelling
- Specific related computational techniques
Education
On-demand educational programs:
- Sound absorption or insulation
- Outdoor and indoor sound propagation
- Measurement techniques of acoustic or elastic parameters for porous media
Recent projects
- Investigation of the potential of heterogeneous porous material for the reduction of enclosed machinery noise.
- Design of multi-fonctional materials for automotive applications.
- Optimisation of pore sizes, distribution and shape of mineral foams.
- Accounting for anisotropy in material characterization.
- Potential of heterogeneous porous material based on recycled products.
- Increasing of the acoustical absorption of porous material by double porosity design.
- Sound absorption preditions and measurements in impedance tube on large material samples (cross-section: 600 x 600 mm2, thickness up to 1 500 mm) used in anechoic rooms.
- Characterization, sound absorption measurements and modeling of systems composed of perforated plates and porous materials for sound absorption and sound insulation applications in buildings.
- Performances of damped concrete floors.