• H. S. Kwon, G. U. Patil, B. I. Epureanu, B. I. Popa, Specialized convolutional neural network models for echolocation-based perception, IEEE Access, 13, 156811-158623 (2025) [Link] 

• G. U. Patil, H. S. Kwon, B. I. Epureanu, B. I. Popa, Synthetically-trained neural networks for shape classification from measured acoustic scattering, Journal of Sound and Vibration, 618, 119229 (2025) [Link] 

  • • Featured in Interesting Engineering [Coverage], The National Interest [Coverage], The Cool Down [Coverage], NextGenDefense [Coverage], Visegrad Post [Coverage], and iHLS [Coverage] 

• G. U. Patil, A. Fantetti, K. H. Matlack, Shear wave-induced friction at periodic interfaces for programmable mechanical responses. Journal of Applied Mechanics, 90(9), 091002 (2023) [Link]

• G. U. Patil, Songyuan Cui, K. H. Matlack, Leveraging nonlinear wave mixing in rough contacts-based phononic diodes for tunable nonreciprocal waves. Extreme Mechanics Letters, 55, 101821 (2022) [Link]

• G. U. Patil, K. H. Matlack, Strongly nonlinear wave dynamics of continuum phononic materials with periodic rough contacts. Physical Review E, 105(2), 024201 (2022) [Link]

  • • Editor’s pick for “Physical Review E Spotlights” on “Solitary Wave Dynamics in Strongly Nonlinear Phononic Materials” 

• G. U. Patil, K. H. Matlack, Review of exploiting nonlinearity in phononic materials to enable nonlinear wave responses. Acta Mechanica, 233(1), 1-46 (2022) [Link]

• G. U. Patil, K. H. Matlack, Wave self-interactions in continuum phononic materials with periodic contact nonlinearity. Wave Motion, 105, 102763 (2021) [Link]

• O. Babatola*, G. U. Patil*, D. Hsieh*, K. H. Matlack, S. Sinha, Independently tunable thermal conductance and phononic bandgaps of 3D lattice materials. Advanced Engineering Materials, 22(2), 1901004 (2020) (* equal contribution) [Link] 

• G. U. Patil, A.S. Shedge, K. H. Matlack, 3D auxetic lattice materials for anomalous elastic wave polarization. Applied Physics Letters, 115(9), 091902 (2019) [Link]

• G. U. Patil, K. H. Matlack, Effective property evaluation and analysis of three-dimensional periodic lattices and composites through Bloch-wave homogenization. The Journal of the Acoustical Society of America, 145(3), 1259–1269 (2019) [Link]

The presenter is denoted by an asterisk *

• H. S. Kwon*, G. U. Patil, B. I. Epureanu, B. I. Popa, Modular convolutional neural networks for adaptable ultrasound sensing and echo analysis, The Journal of Acoustical Society of America, 157 (4), A84 (2025) [Link] [ASA joint with the 25th International Congress on Acoustics, New Orleans, Louisiana, USA]

• G. U. Patil*, H. S. Kwon, B. I. Epureanu, B. I. Popa, Artificial Echolocation: Leveraging Neural Networks for Ultrasound-based Shape Recognition, International Mechanical Engineering Congress & Exposition, Portland, Oregon, USA (Nov 2024)

• G. U. Patil*, Nonlinear wave dynamics of continuum phononic materials with periodic rough contacts, The NASEM’s USNC/TAM 5MT (Sept 2024) [Finalist Presentation]

  • • Awarded  1st place prize in the 5-minute Virtual Thesis in Mechanics Competition 

• G. U. Patil*, H. Harley, A. K. Shorter, B. I. Popa, Estimating the soundscape around echolocating dolphins from sparse hydrophone measurements, MURI Program Review, Washington DC, USA (Jul 2024) [Poster]

• G. U. Patil*, H. S. Kwon, P. Mohan, P. Jayakumar, B. I. Epureanu, B. I. Popa, Ultrasound perception in physical environments from synthetically trained neural networks, Automotive Research Center Annual Program Review, Ann Arbor, USA (Jun 2024) [Technical Talk]

•  G. U. Patil*, H. S. Kwon, P. Mohan, P. Jayakumar, B. I. Epureanu, B. I. Popa, Ultrasound perception in physical environments from synthetically trained neural networks, Automotive Research Center Annual Program Review, Ann Arbor, USA (Jun 2024) [Poster]

• G. U. Patil*, Physics of acoustic waves: from metamaterials to ultrasound perception, Veermata Jijabai Technological Institute, Mumbai, India (Apr 2024) [Guest Lecture] 

• G. U. Patil, K. H. Matlack*, Nonlinear wave propagation through phononic materials with rough contact interfaces, Phononics 2023: 6th International Conference on Phononic Crystals/Metamaterials/Metasurfaces, Phonon Transport, and Topological Phononics, Manchester, UK (Jun 2023) 

• Md Kamruzzaman*, G. U. Patil, K. H. Matlack, Contact stiffness evaluation and wave response study of engineered contact-based nonlinear phononic material, Phononics 2023: 6th International Conference on Phononic Crystals/Metamaterials/Metasurfaces, Phonon Transport, and Topological Phononics, Manchester, UK (Jun 2023) [Poster] 

• G. U. Patil*, A. Fantetti, K.H. Matlack, Frictional instability: A nonlinear mechanism to control shear wave responses in rough contact-based metamaterials, The Journal of the Acoustical Society of America, 152 (4), A38 (2022) [Link] [183rd ASA Meeting, Nashville, Tennessee, USA]

• Md Kamruzzaman*, G. U. Patil, K. H. Matlack, Measurement of contact stiffness of engineered surface for enriched and novel nonlinear wave propagation in phononic material, International Mechanical Engineering Congress & Exposition, Columbus, Ohio, USA (Oct-Nov 2022) [Poster]

• G. U. Patil*, K.H. Matlack,  Nonlinear Wave Disintegration in Phononic Material with Weakly Compressed Rough Contacts, 10th European Nonlinear Dynamics Conference, Lyon, France, (July 2022) [Link]

  • • Received Schaller Travel Award and Conference Presentation Award, Graduate College, UIUC 

• K.H. Matlack*, G. U. Patil, Nonlinear wave propagation from periodic arrangements of rough contact interfaces. 19th U.S. National Congress on Theoretical and Applied Mechanics, Austin, Texas, USA, (June 2022) 

• G. U. Patil*, K.H. Matlack, Experimental study of nonlinear waves in phononic materials with rough contacts, The Journal of the Acoustical Society of America, 151 (4), A41 (2022) [Link] [182nd ASA Meeting, Denver, Colorado, USA]

  • • 1st Place Best Student Paper Award in Structural Acoustics and Vibration, Acoustical Society of America 

• G. U. Patil*, K.H. Matlack, Emergence of stegotons in phononic materials with strongly nonlinear rough contacts. The Journal of the Acoustical Society of America, 150 (4), A147 (2021) [Link] [181st ASA Meeting, Seattle, Washington, USA]

• G. U. Patil*, O. Babatola, D. Hsieh, S. Sinha, K.H. Matlack, Three-dimensional periodic multifunctional lattice materials for simultaneous vibration isolation and heat conduction. The Journal of the Acoustical Society of America, 148 (4), 2578 (2020) [Link] [179th ASA Meeting, Acoustics Virtually Everywhere]

  • • 1st Place Best Student Paper Award in Structural Acoustics and Vibration, Acoustical Society of America

• G. U. Patil*, K.H. Matlack, Tunable bandgaps and second harmonic generation of a one-dimensional nonlinear phononic material with periodic rough interfaces. The Virtual Meeting 2020 of the Society of Engineering Sciences (2020)

• G. U. Patil*, K.H. Matlack, Anomalous wave polarization through a 3D periodic auxetic lattice. The Journal of the Acoustical Society of America, 145 (3), 1666 (2019) [Link] [177th ASA Meeting, Louisville, Kentucky, USA]

• I. Arretche, G. U. Patil, K.H. Matlack*, Effects of geometry and mass distribution in 3D printed metastructures for vibration mitigation. The Journal of the Acoustical Society of America, 145 (3), 1760 (2019) [Link] [177th ASA Meeting, Louisville, Kentucky, USA]

• G. U. Patil, Nonlinear wave dynamics of continuum phononic materials with periodic rough contacts. Ph.D. Mechanical Engineering (2023). [Link]

• G. U. Patil, Influence of geometric parameters on 3D periodic lattice effective properties. M.S. Mechanical Engineering (2019). [Link]