Key Publications:

H. Danawe, S. Tol, “Conformal Gradient Index Phononic Crystal Lenses: Theory and Application on Non-planar Structures,” Materials & Design (2025).
https://doi.org/10.1016/j.matdes.2025.113854

H. Danawe, D. Ozevin, S. Tol, “Structurally Embedded Gradient Index Lens for Guided Wave Amplification in Polymers,” Composite Structures (2024).
https://doi.org/10.1016/j.compstruct.2023.117868

H. Danawe, G. Okudan, D. Ozevin, S. Tol, “Conformal Gradient-Index Phononic Crystal Lens for Ultrasonic Wave Focusing in Pipe-Like Structures,” Applied Physics Letters (2020). https://doi.org/10.1063/5.0012316

Key Publications:

H. Danawe, S. Tol, “Experimental Realization of Negative Refraction and Subwavelength Imaging for Flexural Waves in Phononic Crystal Plates,” Journal of Sound and Vibration (2022). https://doi.org/10.1016/j.jsv.2021.116552

H. Danawe, S. Tol, “Broadband Subwavelength Imaging of Flexural Elastic Waves in Flat Phononic Crystal Lenses,” Scientific Reports (2023).
https://doi.org/10.1038/s41598-023-34314-5

H. Danawe, S. Tol, “Harnessing Negative Refraction and Evanescent Waves Toward Super-Resolution Lamb Wave Imaging,” Applied Physics Letters (2023).
https://doi.org/10.1063/5.0152717

Reference:

H. Danawe, “Role of Phononic Crystals in Elastic Wave Focusing, Guiding, and Sensing Applications", Doctoral dissertation (2023).  https://dx.doi.org/10.7302/22289

Key Publications:

H. Danawe, H. Li, H. A. Ba'ba'a, S. Tol, “Existence of Corner Modes in Elastic Twisted Kagome Lattices,” Physical Review B (2021).
https://doi.org/10.1103/PhysRevB.104.L241107

H. Danawe, H. Li, K. Sun, S. Tol, “Finite-Frequency Topological Maxwell Modes in Mechanical Self-Dual Kagome Lattices,” Physical Review Letters (2022).
https://doi.org/10.1103/PhysRevLett.129.204302

Key Publications:

H. Danawe, S. Tol, “Electro-momentum Coupling Tailored in Piezoelectric Metamaterials with Resonant Shunts,” APL Materials (2023).
https://doi.org/10.1063/5.0165267

H. Danawe, S. Tol, "Unidirectional Zero Reflection and Perfect Absorption via Exceptional Points in Active Piezoelectric Willis Metamaterials." arXiv preprint arXiv:2510.14852 (2025). https://doi.org/10.48550/arXiv.2510.14852

Key Publications:

O. Oudghiri-Idrissi, W. Lu, A. A. Vijayachandran, J. McInerney, A. Poli, H. Danawe, X. Mao, E. Arruda, A. M. Waas, S. Tol,
“In-space Manufacturable Solar Array Structures Integrating Metamaterial Technologies, Part I,” AIAA SciTech 2024.
https://doi.org/10.2514/6.2024-0827

A. Vijayachandran, O. Oudghiri-Idrissi, H. Danawe, X. Mao, E. Arruda, S. Tol, A. M. Waas, “Free Vibration of Thin, Creased Elastic Plates: Optimization and Scaling Laws,” Thin-Walled Structures (2024).
https://doi.org/10.1016/j.tws.2023.111393

Key Publications:

O. Oudghiri-Idrissi, W. Lu, H. Danawe, C. S. Hunter, A. Poli, A. A. Vijayachandran, A. M. Waas, X. Mao, E. Arruda, S. Tol,
“On the Design of Large Aperture, High-Precision, and Mass-Efficient RF Antenna Structures,” AIAA SciTech 2025.
https://arc.aiaa.org/doi/10.2514/6.2025-1407