A membrane-type acoustic metamaterial with adjustable acoustic properties F Langfeldt, J Riecken, W Gleine, O von Estorff Journal of Sound and Vibration 373, 1-18, 2016 | 130 | 2016 |
Analytical model for low-frequency transmission loss calculation of membranes loaded with arbitrarily shaped masses F Langfeldt, W Gleine, O von Estorff Journal of Sound and Vibration 349, 315-329, 2015 | 71 | 2015 |
Perforated membrane-type acoustic metamaterials F Langfeldt, H Kemsies, W Gleine, O von Estorff Physics Letters A 381 (16), 1457-1462, 2017 | 64 | 2017 |
Sandgrain roughness model for rough walls within Eulerian–Lagrangian predictions of turbulent flows M Breuer, M Alletto, F Langfeldt International journal of multiphase flow 43, 157-175, 2012 | 64 | 2012 |
Membrane-and plate-type acoustic metamaterials with elastic unit cell edges F Langfeldt, W Gleine Journal of Sound and Vibration 453, 65-86, 2019 | 56 | 2019 |
An efficient analytical model for baffled, multi-celled membrane-type acoustic metamaterial panels F Langfeldt, W Gleine, O von Estorff Journal of Sound and Vibration 417, 359-375, 2018 | 52 | 2018 |
Resonance frequencies and sound absorption of Helmholtz resonators with multiple necks F Langfeldt, H Hoppen, W Gleine Applied Acoustics 145, 314-319, 2019 | 50 | 2019 |
Broadband low-frequency sound transmission loss improvement of double walls with Helmholtz resonators F Langfeldt, H Hoppen, W Gleine Journal of Sound and Vibration 476, 115309, 2020 | 49 | 2020 |
Optimizing the bandwidth of plate-type acoustic metamaterials F Langfeldt, W Gleine The Journal of the Acoustical Society of America 148 (3), 1304-1314, 2020 | 20 | 2020 |
Enhancing the low-frequency noise reduction of a double wall with membrane-type acoustic metamaterials F Langfeldt, W Gleine, O von Estorff Proceedings of the 45th International Congress on Noise Control Engineering …, 2016 | 19 | 2016 |
Plate-type acoustic metamaterials with integrated Helmholtz resonators F Langfeldt, AJ Khatokar, W Gleine Applied Acoustics 199, 109019, 2022 | 16 | 2022 |
Plate-type acoustic metamaterials with strip masses F Langfeldt, W Gleine The Journal of the Acoustical Society of America 149 (6), 3727-3738, 2021 | 15 | 2021 |
Improved sound transmission loss of glass wool with acoustic metamaterials F Langfeldt, W Gleine Proc 26th Int Congr Sound Vib ICSV 2019, 2019 | 15 | 2019 |
Helmholtz resonator with two resonance frequencies by coupling with a mechanical resonator H Hoppen, F Langfeldt, W Gleine, O Von Estorff Journal of sound and vibration 559, 117747, 2023 | 8 | 2023 |
Application of the Johnson-Champoux-Allard model for the calculation of the sound absorption coefficient of aerogel granules based on inverse characterization for the … Y Abawi, F Langfeldt, H Hoppen, W Gleine, B Milow | 6 | 2020 |
Membrane-type acoustic metamaterials for aircraft noise shields F Langfeldt Hamburg University of Technology, 2018 | 6 | 2018 |
Noise-shield with membrane-type metamaterials for low-frequency sound insulation. Part I: Analytical investigation of the multi-layered assembly F Langfeldt, P Marinova, W Gleine, S Lippert, O von Estorff DAGA 2014, 2014 | 5 | 2014 |
LOW-FREQUENCY AIR-AND STRUCTURE-BORNE SOUND INSULATION CHALLENGES FOR A COUNTER-ROTATING OPEN-ROTOR AIRCRAFT P Marinova, O von Estorff, S Lippert, F Langfeldt, W Gleine Proceedings of the 21st International Congress on Sound and Vibration, 2014 | 5 | 2014 |
Impact of manufacturing inaccuracies on the acoustic performance of sound insulation packages with plate-like acoustic metamaterials F Langfeldt, W Gleine SAE International Journal of Advances and Current Practices in Mobility 3 …, 2020 | 4 | 2020 |
Reduction of Low-frequency Structure-borne Sound Transfer Between Two Sections of a Stiffened Cylindrical Shell By Structural Transfer Path Modification F Langfeldt, FT Seebo, W Gleine, O von Estorff 4th International Workshop on Aircraft System Technologies, 265-274, 2013 | 4 | 2013 |