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Ahmed Allam
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3D-printed gradient-index phononic crystal lens for underwater acoustic wave focusing
A Allam, K Sabra, A Erturk
Physical Review Applied 13 (6), 064064, 2020
552020
Programmable mode conversion and bandgap formation for surface acoustic waves using piezoelectric metamaterials
S Alan, A Allam, A Erturk
Applied Physics Letters 115 (9), 2019
282019
Sound energy harvesting by leveraging a 3D-printed phononic crystal lens
A Allam, K Sabra, A Erturk
Applied Physics Letters 118 (10), 2021
242021
Modeling and design of two-dimensional membrane-type active acoustic metamaterials with tunable anisotropic density
A Allam, A Elsabbagh, W Akl
The Journal of the Acoustical Society of America 140 (5), 3607-3618, 2016
222016
Experimental demonstration of one-dimensional active plate-type acoustic metamaterial with adaptive programmable density
A Allam, A Elsabbagh, W Akl
Journal of Applied Physics 121 (12), 2017
192017
Aspect ratio-dependent dynamics of piezoelectric transducers in wireless acoustic power transfer
A Allam, KG Sabra, A Erturk
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 67 …, 2019
122019
Ultrasonic testing of thick and thin Inconel 625 alloys manufactured by laser powder bed fusion
A Allam, O Alfahmi, H Patel, C Sugino, M Harding, M Ruzzene, A Erturk
Ultrasonics 125, 106780, 2022
92022
Piezoelectric transducer design for simultaneous ultrasonic power transfer and backscatter communication
A Allam, K Sabra, A Erturk
Smart Materials and Structures 31 (9), 095003, 2022
82022
System-level dc-to-dc analysis and experiments of ultrasonic power transfer through metallic barriers
A Allam, CL Arrington, CS John, J Steinfeldt, A Erturk, I El-Kady
IEEE/ASME Transactions on Mechatronics 28 (1), 15-25, 2022
52022
Comparison of various models for piezoelectric receivers in wireless acoustic power transfer
A Allam, K Sabra, A Erturk
Active and Passive Smart Structures and Integrated Systems XIII 10967, 198-205, 2019
42019
Enabling Long-Range Underwater Backscatter via Van Atta Acoustic Networks
A Eid, J Rademacher, W Akbar, P Wang, A Allam, F Adib
Proceedings of the ACM SIGCOMM 2023 Conference, 1-19, 2023
32023
Piezoelectric transducer design and impedance tuning for concurrent ultrasonic power and data transfer
A Allam, A Bhardwaj, K Sabra, A Erturk
Active and Passive Smart Structures and Integrated Systems XVI 12043, 84-103, 2022
32022
Acoustic Power Transfer Leveraging Piezoelectricity and Metamaterials
A Allam
Ph. D. Dissertation. Georgia Institute of Technology. https://smartech …, 2021
32021
Ultrasonic inspection of additively manufactured metallic components using bulk and guided waves
A Allam, O Alfahmi, H Patel, C Sugino, M Harding, M Ruzzene, A Erturk
Health Monitoring of Structural and Biological Systems XVI 12048, 195-201, 2022
22022
Phased Array Ultrasonic Testing of Inconel 625 Produced by Selective Laser Melting
A Allam, C Sugino, M Harding, DP Bishop, A Erturk, M Ruzzene
Journal of Nondestructive Evaluation, Diagnostics and Prognostics of …, 2021
22021
Double phononic crystal lens-based enhancement of underwater power transfer
A Allam, KG Sabra, A Erturk
The Journal of the Acoustical Society of America 150 (4_Supplement), A308-A308, 2021
22021
Enhanced Sound Energy Harvesting by Leveraging Gradient-Index Phononic Crystals
A Allam, K Sabra, A Erturk
Smart Materials, Adaptive Structures and Intelligent Systems 84027, V001T07A004, 2020
22020
Characterization of mufflers
A Allam, T Elnady
22nd International Congress on Acoustics ICA 2016, 2016
22016
Ultrasound-Powered Wireless Underwater Acoustic Identification Tags for Backscatter Communication
A Bhardwaj, A Allam, A Erturk, KG Sabra
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2023
12023
Underwater Backscatter Link Budget Tool
A Allam, W Akbar, F Adib
Proceedings of the ACM SIGCOMM 2023 Conference, 1191-1192, 2023
12023
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