Westra, Minke (2025) Design of 3D printed quasi-2D Metamaterials for Waveguiding. Integration Project, Industrial Engineering and Management.
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Abstract
Metamaterials are artificially engineered materials that can control wavepropagation. Applications such as energy harvesting or signal processing require waves to be guided to certain locations with minimal energy losses. This work presents two quasi-2D metamaterial designs for waveguiding. Both designs consist of circular unit cells with four connecting ligaments, arranged in a seven-by-seven square. The structures are fabricated using fused deposition modelling (FDM) 3D printing. Based on the results of parametric studies, arrangements of unit cell configurations are chosen to enable precise waveguiding. The first design effectively confines waves along the outer rim in the frequency ranges 6.9-9.2 kHz, 15.7-16.1 kHz, and 16.3-16.7 kHz. The other metamaterial design localises waves along a predefined straight path in the frequency ranges 6.2–8.2 kHz, 8.8–9.3 kHz, and 13.7–14.8 kHz. The numerical viscoelastic model of the structures in COMSOL Multiphysics accurately predicted the transmission behaviour observed in the experiments.
| Item Type: | Thesis (Integration Project) |
|---|---|
| Supervisor name: | Krushynska, A.O. and Mohebbi, M. |
| Degree programme: | Industrial Engineering and Management |
| Thesis type: | Integration Project |
| Language: | English |
| Date Deposited: | 07 Jul 2025 12:12 |
| Last Modified: | 07 Jul 2025 12:12 |
| URI: | https://fse.studenttheses.ub.rug.nl/id/eprint/35904 |
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