Journal 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
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
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, “Harnessing Negative Refraction and Evanescent Waves Toward Super-Resolution Lamb Wave Imaging,” Applied Physics Letters (2023).
https://doi.org/10.1063/5.0152717
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, 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
G. Okudan, C. Xu, H. Danawe, S. Tol, D. Ozevin, “Controlling the Thickness Dependence of Torsional Wave Mode in Pipe-Like Structures with the Gradient-Index Phononic Crystal Lens,” Ultrasonics (2022).
https://doi.org/10.1016/j.ultras.2022.106728
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, 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
G. Okudan, H. Danawe, L. Zhang, D. Ozevin, S. Tol, “Enhancing Acoustic Emission Characteristics in Pipe-Like Structures with Gradient-Index Phononic Crystal Lens,” Materials (2021).
https://doi.org/10.3390/ma14061552
G. Okudan, H. Danawe, D. Ozevin, S. Tol, “Torsional Wave Focusing in Cylindrical Structures with the Conformal Gradient-Index Phononic Crystal Lens,” Journal of Applied Physics (2021).
https://doi.org/10.1063/5.0050295
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
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
H. Danawe, S. Tol, “Tuning Electro-momentum Coupling in Piezoelectric Metamaterials with Resonant Shunts,” SPIE 2024.
https://doi.org/10.1117/12.3010177
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. A. Vijayachandran, O. Oudghiri-Idrissi, H. Danawe, X. Mao, E. Arruda, S. Tol, A. M. Waas,
“Creasing of Thin, Elastic Plates for Maximizing Fundamental Frequencies,” AIAA SciTech 2024.
https://doi.org/10.2514/6.2024-0560
W. Lu, O. Oudghiri-Idrissi, H. Danawe, S. Tol,
“Design Optimization of 3D Printed Chiral Metamaterials with Simultaneous High Stiffness and High Damping,” SEM 2023.
https://doi.org/10.1007/978-3-031-34942-3_11
G. Okudan, C. Xu, H. Danawe, S. Tol, D. Ozevin,
“Improved Detection of Localized Damage in Pipe-Like Structures Using Gradient-Index Phononic Crystal Lens,” EWSHM 2022.
https://doi.org/10.1007/978-3-031-07322-9_30
C. Xu, H. Danawe, G. Okudan, S. Tol, D. Ozevin,
“Lamb Wave Focusing by Gradient-Index Phononic Crystal Lens in Layered Composites,” SPIE 2022.
https://doi.org/10.1117/12.2612906
H. Danawe, S. Tol, “Frequency Tunable Phononic Crystal Flat Lens for Subwavelength Imaging,” ASME IDETC 2021.
https://doi.org/10.1115/DETC2021-71319
G. Okudan, H. Danawe, S. Tol, D. Ozevin,
“Manipulating the Torsional Mode in Pipe-Like Structures with Mechanical Lens for Extended Propagation Distance,” SPIE 2021.
https://doi.org/10.1117/12.2583303
H. Danawe, Z. Wang, G. Okudan, D. Ozevin, S. Tol,
“Simultaneous Amplification of Guided Wave Modes in Polymer Pipes via Structurally Embedded Gradient-Index Lens,” SPIE 2021.
https://doi.org/10.1117/12.2583158
H. Danawe, Z. Wang, G. Okudan, D. Ozevin, S. Tol,
“Structurally Embedded Gradient Index Lens for Extended Amplification of Guided Waves in Polymer Pipes,” ASME SMASIS 2020.
https://doi.org/10.1115/SMASIS2020-2325
H. Danawe, G. Okudan, D. Ozevin, S. Tol,
“Numerical Investigation of Multi-Mode Guided Wave Focusing in Pipe-Like Structures,” ASME IDETC 2020.
https://doi.org/10.1115/DETC2020-22522
G. Okudan, H. Danawe, L. Zhang, S. Tol, D. Ozevin,
“Amplification of Wave Front for Planar or Point Sources Using a Metamaterial Lens,” SPIE 2020.
https://doi.org/10.1117/12.2557404
H. Danawe, G. Okudan, D. Ozevin, S. Tol,
“Metamaterial-based Amplification of Multi-Mode Ultrasonic Guided Waves Toward Improved Damage Detection in Pipelines,” SPIE 2020.
https://doi.org/10.1117/12.2559785
(SPIE Best Student Paper Award – 2nd place)
H. Danawe, S. K. Singh, V. Racherla, S. R. Singh, A. Prasad,
“Behaviour of Metro Coach on Newly Built Track in Kolkata,” ASME JRC 2020.
https://doi.org/10.1115/JRC2020-8080
S. K. Singh, H. Danawe, V. Racherla, S. R. Singh, A. Prasad,
“Ride Index for Metro Coaches: Experimental Evaluation and Vehicle Dynamics Results,” ASME IMECE 2019.
https://doi.org/10.1115/IMECE2019-11128