Skip to main content

AdvancEd aicRaft-noIse-AlLeviation devIceS using meTamaterials

Deliverables

Status of dissemination activity at M24

Update of the status of dissemination activity, including the list of journal papers submitted, contribution to international conferences, internal and public seminars. Update to the status of deliverables and use of resources. Update to the IPR management report.

Deliverable status and use of resources

Status of deliverables and use of resources. Includes IPR management report.

Theoretical models for MM integration in aeroacoustics

Report of the general theory for the aeroacoustic integration of metamaterial, and the computed properties for transmission in bulk metamaterials associated to all the basic material concepts analysed (e.g., anisotropic, periodic/layered, poro-elastic, fractal,…). Restriction to idealized 2D problems (metasurfaces) for the modelling of surface treatments, such as liners or coatings.

Definition of pseudo-impedance from MM properties

Definition of pseudo-impedance and relationship to detailed material properties and structure, including strategies for its numerical implementation in BEM and FEM codes.

Midterm report

Midterm report, including - update of the status of dissemination activity - the topic, title, scheduled date and venue of the final workshop - use of resources - status of deliverables Update of IPR management report.

Simulation of benchmark problems

Simulation of benchmark problems. Possibly, all the numerical tools available to the consortium will be used. Validation of the results against literature and/or analytical references.

Guidelines for meta material design and manufacture

Guidelines for meta material design and manufacture including a report on innovative manufacturing processes. The report covers technologies and techniques investigated during the project.

SoA @ M12

Update of the SoA at M12. Includes update of granted patents.

Status of dissemination activity

Status of dissemination activity, including the list of journal papers submitted, contribution to international conferences, internal and public seminars. Update to the status of deliverables and use of resources. Update of IPR management report.

Technical feasibility report and development roadmap to TRL 6

Report on the technical feasibility of the most promising concepts and development recommendations to increase the technology to TRL 6 within the horizon of 2030. The report will include the results of early simulations of the MM devices in realistic operating conditions and tentative design criteria for the integration into future generations of aircraft.

SoA @ M24

Update of the state-of-the-art at M24. Includes update on the patents granted on relevant topics.

SoA @ M4 and reference problem description

Report on the state-of-the-art at M4 and description of the benchmark problem selected in the literature as reference test case. The report will include details for the accurate reproduction of the benchmark problem in both computer simulations and laboratory experiments. The deliverable also includes the initial survey of existing patents on relevant topics.

Deliverable status and use of resources at M30

Update to the status of deliverables and use of resources. Final workshop announcement. Update of IPR management report.

Description of analytical benchmark solutions

Description of exact and approximated benchmark solutions for propagation over: i) an infinite planar metamaterial, ii) in two dimensions round a finite body, iii) in three dimensions for axisymmetric body.

Final data processing

Final data processing for the whole AERIALIST flow and noise experimental campaign. Data will be made available in a readable format suitably defined in the deliverable.

Simulation of experiments

Simulation of experiments. Report on validation calculations for experimental setups, including the relationship of theoretical properties with measurable data obtained from experiments or simulations. Depends on D2.4.

Test procedures for meta material

Test procedures for meta material characterisation and validation.

SoA @ M30

Update of the state-of-the-art at M30. Includes update on the patents granted on relevant topics.

Measurements of the AERIALIST concepts

Aeroacoustic measurements of the AERIALIST concepts for both test rigs. The deliverable will provide the aeroacoustic measures in an open format, either chosen among those available or defined ad hoc for the project. In the latter case, the deliverable will include format specifications.

Measurements of the benchmark concept

Aeroacoustic measurements of the benchmark concept.

Searching for OpenAIRE data...

Publications

AEROACOUSTIC DESIGN OF METAFLUID DEVICES

Author(s): Umberto Iemma, Giorgio Palma
Published in: 24th International Congress on Sound and Vibration, ICSV 2017, 2017
DOI: 10.5281/zenodo.3871764

Analogue Transformation Acoustics in Aeronautics

Author(s): Umberto Iemma and Giorgio Palma
Published in: Proceedings of INTERNOISE 2017, 2017
DOI: 10.5281/zenodo.3871557

ON AEROACOUSTIC SPACE-TIME CURVATURE FOR CERTAIN AERODYNAMIC FLOWS

Author(s): Umberto Iemma
Published in: 25th International Congress on Sound and Vibration, ICSV 2018, 2018

NUMERICAL ACOUSTIC CHARACTERISATION OF A KELVIN CELL STRUCTURE UNDER NORMAL AND GRAZING INCIDENCE

Author(s): Umberto Iemma∗, Giorgio Palma, Lorenzo Burghignoli, Henry Rice
Published in: 25th International Congress on Sound and Vibration, ICSV 2018, 2018
DOI: 10.5281/zenodo.3871518

SPACETIME–BENDING TRANSFORMATIONS IN AEROACOUSTICS

Author(s): Palma, Giorgio; Iemma, Umberto
Published in: 26th International Congress on Sound and Vibration 2019, ICSV 2019, Issue 12, 2019
DOI: 10.5281/zenodo.3871539

OPTIMIZATION OF METASURFACES FOR THE DESIGN OF NOISE TRAPPING METADEVICES

Author(s): Palma, Giorgio; Iemma, Umberto
Published in: 26th International Congress on Sound and Vibration 2019, ICSV 2019, Issue 11, 2019
DOI: 10.5281/zenodo.3871535

A combined design-manufacturing-testing investigation of micro- To macro-scale tailoring of open poroelastic materials based on perturbed Kelvin cell micro-geometries

Author(s): Dowling, L., Mao, H., Flanagan, L., Kennedy, J., Cuenca, J., Rice, H., Trimble, D., Göransson, P.
Published in: Proceedings of ISMA 2018 - International Conference on Noise and Vibration Engineering and USD 2018 - International Conference on Uncertainty in Structural Dynamics, 2018, Page(s) 1163-1177

Experimental-numerical methods for inverse characterization of the anisotropic-anelastic properties of porous materials, based on dynamic digital image correlation

Author(s): Manzari L., Mao H., Göransson P., Cuenca J., Arteaga I.L.
Published in: Proceedings of ISMA 2018 - International Conference on Noise and Vibration Engineering and USD 2018 - International Conference on Uncertainty in Structural Dynamics, 2018, Page(s) 687-695

The use of a benchmark periodic metamaterial to inform numerical modelling and additive manufacturing approaches

Author(s): L. Dowling , L. Flanagan , H. Rice , D. Trimble , J. Kennedy
Published in: Proceedings of ISMA 2018 - International Conference on Noise and Vibration Engineering and USD 2018 - International Conference on Uncertainty in Structural Dynamics, 2018, Page(s) 1105-1120

Design of a Kelvin cell acoustic metamaterial

Author(s): H. Rice, J. Kennedy, Göransson P.
Published in: Proceedings of ISMA 2018 - International Conference on Noise and Vibration Engineering and USD 2018 - International Conference on Uncertainty in Structural Dynamics, 2018, Page(s) 1081-1090

Steering of Acoustic Reflection from Metasurfaces through Numerical Optimization

Author(s): Giorgio Palma, Ilaria Cioffi, Francesco Centracchio, Lorenzo Burghignoli, Umberto Iemma
Published in: 25th AIAA/CEAS Aeroacoustics Conference, 2019
DOI: 10.2514/6.2019-2559

An Investigation On Neck Extensions For Single and Multi-Degree of Freedom Acoustic Helmholtz Resonators

Author(s): Gautam A., Celik A., Azarpeyvand M.
Published in: 2020 AIAA AVIATION Forum, 2020

Double Degree of Freedom Helmholtz Resonator Based Acoustic Liners

Author(s): Gautam A., Celik A., Azarpeyvand M.
Published in: 2020 AIAA AVIATION Forum, 2020

On the Use of the Analogue Transformation Acoustics in Aeroacoustics

Author(s): Umberto Iemma, Giorgio Palma
Published in: Mathematical Problems in Engineering, Issue 2017, 2017, Page(s) 1-16, ISSN 1024-123X
DOI: 10.1155/2017/8981731

Acoustic Metamaterials in Aeronautics

Author(s): Giorgio Palma, Huina Mao, Lorenzo Burghignoli, Peter Göransson, Umberto Iemma
Published in: Applied Sciences, Issue 8/6, 2018, Page(s) 971, ISSN 2076-3417
DOI: 10.3390/app8060971

Convective correction of metafluid devices based on Taylor transformation

Author(s): Umberto Iemma, Giorgio Palma
Published in: Journal of Sound and Vibration, Issue 443, 2019, Page(s) 238-252, ISSN 0022-460X
DOI: 10.1016/j.jsv.2018.11.047

Design of a Kelvin cell acoustic metamaterial

Author(s): H.J. Rice, J. Kennedy, P. Göransson, L. Dowling, D. Trimble
Published in: Journal of Sound and Vibration, Issue 472, 2020, Page(s) 115167, ISSN 0022-460X
DOI: 10.1016/j.jsv.2019.115167

An inverse method for characterisation of the static elastic Hooke’s tensors of solid frame of anisotropic open-cell materials

Author(s): Huina Mao, Romain Rumpler, Peter Göransson
Published in: International Journal of Engineering Science, Issue 147, 2020, Page(s) 103198, ISSN 0020-7225
DOI: 10.1016/j.ijengsci.2019.103198

Closed-Form Evaluation of Potential Integrals in the Boundary Element Method

Author(s): Michael Carley
Published in: Journal of Theoretical and Computational Acoustics, 2019, Page(s) 1950014, ISSN 2591-7285
DOI: 10.1142/S2591728519500142

An inverse method for design and characterisation of acoustic materials

Author(s): Huina Mao, Romain Rumpler, Peter Göransson
Published in: MATEC Web of Conferences, Issue 304, 2019, Page(s) 02002, ISSN 2261-236X
DOI: 10.1051/matecconf/201930402002

The Influence of Additive Manufacturing Processes on the Performance of a Periodic Acoustic Metamaterial

Author(s): John Kennedy, Lara Flanagan, Luke Dowling, G. J. Bennett, Henry Rice, Daniel Trimble
Published in: International Journal of Polymer Science, Issue 2019, 2019, Page(s) 1-11, ISSN 1687-9422
DOI: 10.1155/2019/7029143

A review of critical repeatability and reproducibility issues in powder bed fusion


Published in: ISSN 0264-1275
DOI: 10.1016/j.matdes.2019.108346

Twist, tilt and stretch: From isometric Kelvin cells to anisotropic cellular materials


Published in: ISSN 0264-1275
DOI: 10.1016/j.matdes.2020.108855