Journal Articles
2026
V. Ramakrishnan, A. M. Burgos, S. Park, A. Goza, K. H. Matlack, "Quantifying the effect of resonant amplitude and frequency of phononic material vibrations on the coupled fluid-structure interaction dynamics in separated aerodynamic flows", Under Review (2026) DOI: https://doi.org/10.48550/arXiv.2608.26381
S. Park, V. Ramakrishnan, A. M. Burgos, A. Goza, K. H. Matlack, "Interaction of Sustained Vortex Shedding with a Phononic Subsurface: Effect of Positioning and Resonant Characteristics", Under Review (2026) DOI: https://doi.org/10.48550/arXiv.2610.22044
M. W. Brotnow, C. Barnes, T. Vincent, V. Ramakrishnan, K. H. Matlack, P. Ansell, "Compressible Linear Stability Analysis for Passive Transition Delay Using Phononic Materials", Under Review (2026) DOI: https://dx.doi.org/10.2139/ssrn.7198919
Y. Shi, V. Ramakrishnan, K. H. Matlack, "Analysis of Truncation Resonances of 2D Discrete Lattices", J. Sound Vib., 646, 120136 (2026) DOI: https://doi.org/10.1016/j.jsv.2026.120136
V. Ramakrishnan, A. M. Burgos, S. Park, K. H. Matlack, A. Goza, "A Framework to Systematically Study the Fluid-Structure Interaction of Phononic Materials with Aerodynamic Flows", J. Fluids Struct., 145, 104569 (2026) DOI: https://doi.org/10.1016/j.jfluidstructs.2026.104569
V. Ramakrishnan and M. J. Frazier, "Pattern Formation in Non-Equilibrium Architected Materials", Adv. Mater. Tech., 11(10), e01325 (2026) DOI: https://doi.org/10.1002/admt.202501325
2025
V. Ramakrishnan and K. H. Matlack, "A Quantitative Study of Energy Localization Characteristics in Defect-embedded Monoatomic Phononic Crystals", J. Sound Vib., 614, 119164 (2025) DOI: https://doi.org/10.1016/j.jsv.2025.119164
2023
V. Ramakrishnan and M. J. Frazier, "Architected material with independently tunable mass, damping, and stiffness via multi-stability and kinematic amplification", J. Acoust. Soc. Am., 153, 1283-1292 (2023) DOI: https://doi.org/10.1121/10.0017346
2020
V. Ramakrishnan and M. J. Frazier, "Transition waves in multi-stable metamaterials with space-time modulated potentials", Appl. Phys. Lett., 117, 151901 (2020) DOI: https://doi.org/10.1063/5.0023472
V. Ramakrishnan and M. J. Frazier, "Multistable metamaterial on elastic foundation enables tunable morphology for elastic wave control", J. Appl. Phys., 127, 225104 (2020) DOI: https://doi.org/10.1063/1.5145324
2027
S. Balasubramanian, D. Beckers, C. T. Lin, V. Ramakrishnan, K. H. Matlack, A. Goza, and H. J. Bae, "Towards strongly-coupled simulations of wall-bounded turbulent flows past defect-embedded phononic subsurfaces", AIAA SciTech Forum 2027, p., Orlando, FL, January 11-15, 2027
2026
C. T. Lin, V. Ramakrishnan, A. Goza, K. H. Matlack, H. J. Bae, "Dynamic passive control of turbulent drag via subsurface resonant phononic metamaterial", AIAA SciTech Forum 2026, p. 4354559, Orlando, FL, January 12-16, 2026 DOI: https://doi.org/10.2514/6.2026-2621
2025
D. Wiberg, S. Park, V. Ramakrishnan, K. H. Matlack, P. J. Ansell, "One-way coupling of surface vibration and Kármán vortex street instability", AIAA AVIATION Forum 2025, p. 4236018, Las Vegas, NV, July 21-25, 2025 DOI: https://doi.org/10.2514/6.2025-3252
2026
“A MIMO-inspired phononic material design for laminar-to-turbulent transition delay in subsonic flows”, AFOSR-MURI Annual Review 2026, April 13, 2026
“Phononic Materials – Applications in Passive Flow Control to building blocks for new Smart Materials and Structures”, Mechanical Engineering, IIT Bombay, February 2, 2026
“Phononic Materials – Phase transition control in Multistable architectures to Applications in Passive Flow Control”, Mechanical Engineering, IIT Gandhinagar, January 19, 2026
2025
"Phononic Materials – Applications in Passive Flow control to building blocks of new Smart Materials and Structures", Applied Mechanics (Virtual), IIT Delhi, December 18, 2025
"Phononic Materials – Applications in Passive Flow control to building blocks of new Smart Materials and Structures'', Aerospace Engineering (Virtual), IIT Bombay, October 1, 2025
"Phononic Materials – An avenue for Passive Flow Control'', Aerospace Engineering, IISc Bangalore, January 10, 2025 (link)
"Phononic Materials – An avenue for Passive Flow Control'', Sabarmati Young Researcher's Seminar, IIT Gandhinagar, January 6, 2025
"Phononic Materials – An avenue for Passive Flow Control'', Mechanical Engineering, IIT Bombay, January 3, 2025
2024
"Multistable Metamaterials for flow control in lifting bodies'', Annual AFOSR Grant Review, UIUC, October 9, 2024
2022
"Multistable Metamaterials to tune Linear and Non-linear wave propagation'', Mechanical Engineering (Virtual), IIT Gandhinagar, September 22, 2022
"Multistable metamaterials to tune linear and non-linear wave propagation'', MAE Grad Talks, UC San Diego, May 18, 2022
*Presenter
2026
Vinod Ramakrishnan, Arturo M. Burgos, Sangwon Park, Andres J. Goza, Kathryn H. Matlack*, "A Behavioral Framework to Design Phononic Materials for effective Fluid-Structure Interactions", Society of Engineering Science, Purdue University, West Lafayette, IN, October 11-14, 2026
Yichen Shi*, Vinod Ramakrishnan, Kathryn Matlack, "Truncation resonances in 2D discrete lattices: theory and control capability", Society of Engineering Science, Purdue University, West Lafayette, IN, October 11-14, 2026
Vinod Ramakrishnan*, Arturo M. Burgos, Sangwon Park, Andres J. Goza, Kathryn H. Matlack, "A generalizable behavior-based parametrization for designing phononic materials for beneficial fluid-structure interactions", Workshop on Fluid Metamaterial Interaction: Exploring two-way synergies between flow regimes and architected materials, Dayton, OH, April 14-16, 2026 (Poster)
2025
V. Ramakrishnan*, "Computational study of fluid-metamaterial interaction between phononic materials and a turbulent channel flow'', Division of Fluid Dynamics, Houston, TX, November 23 - 25, 2025.
V. Ramakrishnan*, C. T. Lin, A. J. Goza, K. H. Matlack, H. J. Bae, "Defect-Embedded Phononic Crystals for Passive Turbulent Flow Control'', Society of Engineering Science, Atlanta, GA, October 12 - 15, 2025
V. Ramakrishnan*, A. M. Burgos, S. Park, A. J. Goza, K. H. Matlack, "Controlling Vortex characteristics in lifting bodies using Diatomic Phononic Crystals'', PHONONICS 2025, p. 0268, Seoul, South Korea, June 9-13, 2025
2024
A. M. Burgos*, S. Park, N. O'Brien, V. Ramakrishnan, K. H. Matlack, A. J. Goza, "A framework for integrating phononic materials in aerodynamic flows'', APS Division of Fluid Dynamics, Salt Lake City, UT, November 24 - 26, 2024
C. T. Lin*, V. Ramakrishnan, A. J. Goza, K. H. Matlack, H. J. Bae, "Control for Turbulent Drag Reduction by Wall-normal Blowing and Suction'', APS Division of Fluid Dynamics, Salt Lake City, UT, November 24 - 26, 2024
V. Ramakrishnan* and K. H. Matlack, "Study of defect mode characteristics in acoustic metamaterials'', ASA Spring Meeting 2024, Ottawa, ON, Canada, May 13 - 17, 2024
V. Ramakrishnan* and M. J. Frazier, "Periodic Pattern Formation in Active Architected Materials'', APS March Meeting 2024, Minneapolis, MN, March 3 - 8, 2024
2023
V. Ramakrishnan* and M. J. Frazier, "Periodic Pattern Formation in Active Architected Materials'', Society of Engineering Science, Minneapolis, MN, October 8 - 11, 2023
2022
V. Ramakrishnan* and M. J. Frazier, "Metamaterials With Independently Tunable Acoustic Properties'', ASME IMECE 2022, Columbus, OH, October 31 - November 3, 2022
V. Ramakrishnan* and M. J. Frazier, "Metamaterial with Independently Tunable Mass, Damping and Stiffness'', Engineering Mechanics Institute Conference 2022, Baltimore, MD, May 31 - June 3, 2022
2021
V. Ramakrishnan* and M. J. Frazier, "Vibration Induced Spatial Ordering of Periodic Patterns in Multistable Metamaterials'', ASME IMECE 2021, Virtual, November 1 - 4, 2021
V. Ramakrishnan* and M. J. Frazier, "Transition Wave Control in Multi-Stable Metamaterials with Space-Temporal Elasticity'', Engineering Mechanics Institute Conference 2021, Virtual, May 25 - 28, 2021
2020
V. Ramakrishnan* and M. J. Frazier, "Transition Waves in Multi-stable Metamaterials with Space-time Modulated Potentials'', ASME IMECE 2020, Virtual, November 16 - 19, 2020
2019
V. Ramakrishnan* and M. J. Frazier, "Multistable Architectures on Elastic Foundation for Tunable, Reversible Wave Propagation'', ASME IMECE 2019, Salt Lake City, UT, November 11 - 14, 2019
V. Ramakrishnan* and M. J. Frazier, "Multistable Architectures on Elastic Foundation for Tunable, Reversible Wave Propagation'', Engineering Mechanics Institute Conference 2019, Pasadena, CA, June 18 - 21, 2019