Publications & Presentations

Journal Publications

2025

  • C. Kim, H. Do, K.H. Matlack. “In situ nonlinear ultrasonic characterization of slip irreversibility and material hardening in stainless steel 316L.” NDT & E International, p.103401 (2025). https://doi.org/10.1016/j.ndteint.2025.103401

2024

  • N. J. Salim, I. Arretche, C.D. Pierce, E. Smith, K.H. Matlack. “Effect of Isotropy and Anisotropy: Toward Understanding the Fracture Behavior of Magnetoactive Elastomers.” Available at SSRN 4909780 (2024). https://doi.org/10.1016/j.engfracmech.2024.110553
  • C. D. Pierce, N. J. Salim, K. H. Matlack. “Dynamic Magneto-Mechanical Analysis of Isotropic and Anisotropic Magneto-Active Elastomers.” Experimental Mechanics (2024). https://doi.org/10.1007/S11340-024-01115-4
  • J. R. Tempelman, K. H. Matlack, A. F. Vakakis. “Harmonic balance formulation for nonlinear wave-scattering clusters,” International Journal of Non-Linear Mechanics: 104656 (2024). https://doi.org/10.1016/j.ijnonlinmec.2024.104656
  • S. Park, R. F. Yan, and K. H. Matlack. “Characteristics of truncation resonances in periodic bilayer rods and beams with symmetric and asymmetric unit cells,” The Journal of the Acoustical Society of America, 155, pp. 791-802 (2024). https://doi.org/10.1121/10.0024610
  • J. R. Tempelman, A. F. Vakakis, K. H. Matlack. “A modal decomposition approach to topological wave propagation,” Journal of Sound and Vibration 568: 118033 (2024). https://doi.org/10.1016/j.jsv.2023.118033

2023

  • J. R. Tempelman, A. F. Vakakis, K. H. Matlack. “Spectral energy scattering and targeted energy transfer in phononic lattices with local vibroimpact nonlinearities,” Physical Review E 108, 044214 (2023). https://doi.org/10.1103/PhysRevE.108.044214
  • I. Arretche, K. H. Matlack. “Centrifugal forces enable band gaps that self-adapt to synchronous vibrations in rotating elastic metamaterial,” Mechanical Systems and Signal Processing 202, 110689 (2023). https://doi.org/10.1016/j.ymssp.2023.110689
  • 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). https://doi.org/10.1115/1.4062494
  • C. Kim, K. H. Matlack. “In situ nonlinear Rayleigh wave technique to characterize the tensile plastic deformation of stainless steel 316L,” Ultrasonics 131, 106945 (2023). https://doi.org/10.1016/j.ultras.2023.106945
  • N. J. Salim, I. Arretche, K. H. Matlack. “A process to spatially control the fraction of SS420 and bronze phases in binder jet infiltrated parts,” Journal of Manufacturing Processes 85, pp. 612-622 (2023). https://doi.org/10.1016/j.jmapro.2022.11.076

2022

  • I. Arretche, K. H. Matlack. “Physical realization and experimental validation of effective phononic crystals for control of radial torsional waves,” The Journal of Sound and Vibration 540, 117305 (2022). https://doi.org/10.1016/j.jsv.2022.117305
  • J. R. Tempelman, A. Mojahed, M. Gzal, K. H. Matlack, O. V. Gendelman, L. A. Bergman, A. F. Vakakis. “Experimental Inter-Modal Targeted Energy Transfer in a cantilever beam undergoing vibro-impacts,” The Journal of Sound and Vibration 539, 117212 (2022). https://doi.org/10.1016/j.jsv.2022.117212
  • G. U. Patil, S. Cui, K. H. Matlack, “Leveraging nonlinear wave mixing in rough contacts-based phononic diodes for tunable nonreciprocal waves,” Extreme Mechanics Letters, 55, 101821 (2022). https://doi.org/10.1016/j.eml.2022.101821
  • G. U. Patil, K. H. Matlack. “Strongly nonlinear wave dynamics of continuum phononic materials with periodic rough contacts,” Physical Review E 105, 024201 (2022). https://doi.org/10.1103/PhysRevE.105.024201
    • Editor’s pick for “Physical Review E Spotlights” on “Solitary Wave Dynamics in Strongly Nonlinear Phononic Materials”

2021

  • J. R. Tempelman, K. H. Matlack, A. F. Vakakis. “Topological protection in a strongly nonlinear interface lattice,” Physical Review B 104, 174306 (2021). https://doi.org/10.1103/PhysRevB.104.174306
  • 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). https://doi.org/10.1007/s00707-021-03089-z
  • C. Kim, Y. S. Jetti, A. C. Dunn, K. H. Matlack, Evaluating Rolling Contact Fatigue Damage Precursors with Rayleigh Waves in 1060 Steel. Journal of Nondestructive Evaluation, 40, 91 (2021). https://doi.org/10.1007/s10921-021-00828-z
  • I. Arretche, K. H. Matlack. “Locally Resonant Effective Phononic Crystals for Subwavelength Vibration Control of Torsional Cylindrical Waves,” Journal of Vibration and Acoustics 144(3), 031007 (2021). https://doi.org/10.1115/1.4052748
  • E. J. Smith, K. H. Matlack. “Metal additively manufactured phononic materials as ultrasonic filters in nonlinear ultrasound measurements,” The Journal of the Acoustical Society of America 149, pp. 3739-3750 (2021). https://doi.org/10.1121/10.0004995
  • G. U. Patil, K. H. Matlack. “Wave self-interactions in continuum phononic materials with periodic contact nonlinearity,” Wave Motion 105, 102763 (2021). https://doi.org/10.1016/j.wavemoti.2021.102763
  • C. D. Pierce, K. H. Matlack, “‘Fuzzy Band Gaps’: A Physically Motivated Indicator of Bloch Wave Evanescence in Phononic Systems,” Crystals 11(1), 66 (2021). https://doi.org/10.3390/cryst11010066
  • C. Kim, H. Yin, A. Shmatok, B. C. Prorok, X. Lou, K. H. Matlack. “Ultrasonic Nondestructive Evaluation of Laser powder bed fusion 316 L Stainless Steel,” Additive Manufacturing 38, 101800 (2021). https://doi.org/10.1016/j.addma.2020.101800

2020

  • I. Arretche, K. H. Matlack. “Effective phononic crystals for non-Cartesian elastic wave propagation,” Physical Review B 102, 134308 (2020). https://doi.org/10.1103/PhysRevB.102.134308
  • C. D. Pierce, C. L. Willey, V. W. Chen, J. O. Hardin, J. D. Berrigan, A. T. Juhl, K. H. Matlack. “Adaptive elastic metastructures from magneto-active elastomers. Smart Materials and Structures 26(9), 065004 (2020). https://doi.org/10.1088/1361-665X/ab80e4
  • I. Grinberg, K. H. Matlack. “Nonlinear elastic wave propagation in phononic material with periodic solid-solid contact interface,” Wave Motion 93, 102466 (2020). https://doi.org/10.1016/j.wavemoti.2019.102466

2019

  • 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 (2019). https://doi.org/10.1002/adem.201901004
  • I. Arretche, K. H. Matlack. “Experimental testing of vibration mitigation in 3D-printed architected metastructures,” Journal of Applied Mechanics 86(11), 111008 (2019). https://doi.org/10.1115/1.4044135.
  • G. U. Patil, A. S. Shedge, K. H. Matlack. “3D auxetic lattice materials for anomalous elastic wave polarization,” Applied Physics Letters 115, 091902 (2019). https://doi.org/10.1063/1.5116687
  • J. Mueller, K. H. Matlack, K. Shea, C. Daraio. “Energy absorption properties of periodic and stochastic 3D lattice materials,” Advanced Theory and Simulations 2(10), 1900081 (2019). https://doi.org/10.1002/adts.201900081.
  • 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, pp. 1259–1269 (2019). https://doi.org/10.1121/1.5091690.
  • C. Nimmagadda, K. H. Matlack. “Thermally tunable band gaps in architected metamaterial structures,” Journal of Sound and Vibration 439, pp. 29-42 (2019). https://doi.org/10.1016/j.jsv.2018.09.053.

2018

  • I. Arretche, K. H. Matlack. “On the Interrelationship Between Static and Vibration Mitigation Properties of Architected Metastructures,” Frontiers in Materials 5:68, pp. 1-16 (2018). https://doi.org/10.3389/fmats.2018.00068.
  • A. Palermo, S. Krödel, K. H. Matlack, R. Zaccherini, V. K. Dertimanis, E. N. Chatzi, A. Marzani, and C. Daraio. “Hybridization of Guided Surface Acoustic Modes in Unconsolidated Granular Media by a Resonant Metasurface,” Physical Review Applied 9, 054026 (2018). https://doi.org/10.1103/PhysRevApplied.9.054026.
  • K. H. Matlack, M. Serra-Garcia, A. Palermo, S. D. Huber, C. Daraio. “Designing perturbative metamaterials from discrete models,” Nature Materials 17, pp. 323-328 (2018). http://dx.doi.org/10.1038/s41563-017-0003-3

2016

  • K. H. Matlack, A. Bauhofer, S. Krödel, A. Palermo, C. Daraio. “Composite 3D printed meta-structures for low frequency and broadband vibration absorption,” Proceedings of the National Academy of Sciences of the USA 113(30), pp. 8386-8390 (2016). http://dx.doi.org/10.1073/pnas.1600171113.

2015

  • K. H. Matlack, H. Bradley, S. Thiele, J.-Y. Kim, J. J. Wall, H. J. Jung, J. Qu, L. J. Jacobs. “Nonlinear ultrasonic characterization of precipitation in 17-4PH stainless steel,” NDT&E International 71, pp. 8-15 (2015). http://dx.doi.org/10.1016/j.ndteint.2014.11.001.
  • D. E. Torello, S. Thiele, K. H. Matlack, J.-Y. Kim, J. Qu, L. J. Jacobs. “Diffraction, attenuation, and source corrections for nonlinear Rayleigh wave ultrasonic measurements,” Ultrasonics 56, pp. 417-426 (2015). http://dx.doi.org/10.1016/j.ultras.2014.09.008.
  • K. H. Matlack, J.-Y. Kim, J. J. Wall, J. Qu, L. J. Jacobs. “Nonlinear ultrasonic characterization of radiation damage using Charpy impact specimen,” Small Specimen Test Techniques: 6th Vol., STP 1576, M. A. Sokolov, E. Lucon, Eds., pp. 227–243, ASTM International, West Conshohocken, PA, USA, (2015). http://dx.doi.org/10.1520/STP157620140007.

2014

  • K. H. Matlack, J.-Y. Kim, J. Qu, L. J. Jacobs. “Review of second harmonic generation measurement techniques in metallic materials,” Journal of Nondestructive Evaluation 33(4), pp. 1-23 (2014). http://dx.doi.org/10.1007/s10921-014-0273-5.
  • K. H. Matlack, J.-Y. Kim, J. J. Wall, J. Qu, L. J. Jacobs, M. Sokolov. “Sensitivity of ultrasonic nonlinearity to irradiated, annealed, and re-irradiated microstructure changes in RPV steels,” Journal of Nuclear Materials 448, pp. 26-32 (2014). http://dx.doi.org/10.1016/j.jnucmat.2014.01.038.
  • D. T. Zeitvogel, K. H. Matlack, J.-Y. Kim, L. J. Jacobs, P. M. Singh, J. Qu. “Characterization of stress corrosion cracking in carbon steel using nonlinear Rayleigh surface waves,” NDT&E International 62, pp. 144-152 (2014). http://dx.doi.org/10.1016/j.ndteint.2013.12.005.

2012

  • K. H. Matlack, J. J. Wall, J.-Y. Kim, J. Qu, L. J. Jacobs, H.-W. Viehrig. “Evaluation of radiation damage using nonlinear ultrasound,” Journal of Applied Physics 111(5), 054911 (2012). http://dx.doi.org/10.1063/1.3692086.

2011

  • K. H. Matlack, J.-Y. Kim, L. J. Jacobs, J. Qu. “Experimental characterization of efficient second harmonic generation of Lamb wave modes in a nonlinear elastic isotropic plate,” Journal of Applied Physics 109, 014905 (2011). http://dx.doi.org/10.1063/1.3527959.

Conference Presentations

(Presenter indicated with asterisk: *)

2025

  • K. H. Matlack*, “Computational study of fluid-metamaterial interaction between defect-based phononic materials and a turbulent channel flow”, Euromech659: Metamaterials in Fluid Flows, Aeroacoustics, and beyond, Groningen, Netherlands, March 2025. (Invited Talk)

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 DFD 2024: 77th Annual Meeting of the Division of Fluid Dynamics, Salt Lake City, UT, November 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 DFD 2024: 77th Annual Meeting of the Division of Fluid Dynamics, Salt Lake City, UT, November 2024.
  • V. Ramakrishnan*, C. T. Lin, H. J. Bae, A. Goza, K. H. Matlack, “Study of Defect Mode characteristics in Acoustic Metamaterials”, 186th ASA Meeting, Ottawa, ON, Canada, May 2024.
  • E. J. Smith*, K.H. Matlack, “Wave Transformation in a continuum nonlinear phononic material with bilinear stiffness”, ONR Metamaterials Workshop, State College, PN, March 2024
  • N. J. Salim*, I. Arretche, K. H. Matlack, “Fracture behavior in magnetoactive elastomers: exploring Isotropy and anisotropy”, Gordon Research Seminar and Gordon Research Conference, Ventura Beach, CA, January 2024.

2023

  • N. J. Salim*, K. H. Matlack, “Effect of Isotropy and Anisotropy: Toward Understanding the Fracture Behavior of Magnetoactive Elastomers,” Annual Technical Meeting of the Society of Engineering Science, Minneapolis, MN, October 2023
  • S. Park*, and Kathryn H. Matlack, “On the Characteristics of Truncation Resonances in Bilayer Rods and Beams,” Annual Technical Meeting of the Society of Engineering Science, Minneapolis, MN, October 2023
  • H. Do*, C. Kim, K. H. Matlack, “Influence of Microstructure and Strain Hardening Rate on Acoustic Nonlinearity Parameter in Stainless Steel 316L during Tensile Loading,” 31st American Society For Nondestructive Testing Research Symposium, Columbus, OH, USA, June 2023.
  • 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, June 2023. (Invited Talk)
  • E. J. Smith*, K. H. Matlack, “Wave Propagation in a Phononic Material with Asymmetric Bilinear Stiffness,” Phononics 2023: 6th International Conference on Phononic Crystals/Metamaterials/Metasurfaces, Phonon Transport, and Topological Phononics, Manchester, UK, June 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, June 2023.
  • L. M. Baldelomar Pinto*, K. H. Matlack, “Effects of granular media on energy absorption of architected lattices under dynamic loading,” ASCE Engineering Mechanics Institute 2023 Conference, Atlanta, GA, USA, June 2023.
  • E. J. Smith* and K. H. Matlack, “Wave propagation in a  phononic material with periodic bilinear elastic layers,” 184th ASA Meeting, Chicago, IL, USA, May 2023.

2022

  • H. Do*, C. Kim, K. H. Matlack, “In Situ Nonlinear Ultrasonic Wave Measurements to Correlate β to Tension and Fatigue Damage of Stainless Steel 316l: The Effect of Grain Orientations and Slip Irreversibility,” 2022 International Mechanical Engineering Congress & Exposition, Columbus, OH, USA, December 2022.
  • G. U. Patil*, A. Fantetti, K. H. Matlack, “Frictional instability: a nonlinear mechanism to control shear wave responses in rough contact-based metamaterials,” 183rd Meeting of the Acoustical Society of America, Nashville, TN, USA, December 2022. https://doi.org/10.1121/10.0015463
  • N. J. Salim*, I. Arretche, C. D. Pierce, and K. H. Matlack, “On Fracture Toughness of Isotopic and Anisotropic Magnetoactive Elastomer Under an External Magnetic Field,” 2022 MRS Fall Meeting and Exhibit, Boston, MA, USA, November 2022.
  • 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, OH, USA, Oct. – Nov. 2022.
  • K. H. Matlack* and I. Arretche, “Effective phononic crystals to control radially-propagating elastic waves,” Annual Technical Meeting of the Society of Engineering Science, College Station, TX, USA, October 2022.
  • E. J. Smith* and K. H. Matlack, “Wave propagation in continuum phononic materials with nonlinearity from asymmetric stiffness,” Annual Technical Meeting of the Society of Engineering Science, College Station, TX, USA, October 2022.
  • C. D. Pierce* and K. H. Matlack, “A Computational Study of the Effective Magnetostrictive Properties of Anisotropic Magneto-Active Elastomers,” Annual Technical Meeting of the Society of Engineering Science, College Station, TX, USA, October 2022.
  • S. Park*, and K. H. Matlack, “Band Gap Resonances in Periodic Bilayer Beams,” International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, St. Louis, MO, USA, August 2022.
  • I. Arretche, and K. H. Matlack*, “Locally Resonant Effective Phononic Crystals for Subwavelength Vibration Control of Torsional Cylindrical Waves,” International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, St. Louis, MO, USA, August 2022.
  • 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. [https://enoc2020.sciencesconf.org/382267/document]
  • H. Do*, K. H. Matlack, “In Situ Nonlinear Longitudinal Wave Technique to Correlate β to the Tensile Plastic Deformation of Stainless Steel 316,” 49th Annual Review of Progress in Quantitative Nondestructive Evaluation, San Diego, CA, July 2022.
  • S. Park*, G. K. Hristov, S. Balasubramanian, A. J. Goza, P. J. Ansell, and K. H. Matlack, “Design and Analysis of Phononic Material for Passive Flow Control,” AIAA AVIATION 2022 Forum, Chicago, IL, USA, June 2022. https://doi.org/10.2514/6.2022-3330
  • 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, TX, USA, June 2022. (Invited Talk)
  • K. H. Matlack*, C. D. Pierce, I. Arretche, “Understanding the magneto-mechanical coupling in magneto-active elastomeric metastructures,” 19th U.S. National Congress on Theoretical and Applied Mechanics, Austin, TX, USA, June 2022. (Invited Talk)
  • I. Arretche*, K. H. Matlack, “Experimental Validation of Effective Phononic Crystals for Controlling Cylindrical Torsional Waves,” 19th U.S. National Congress on Theoretical and Applied Mechanics, Austin, TX, USA, June 2022.
  • N. J. Salim*, I. Arretche, C. D. Pierce, K. H. Matlack, “Active Damage Control in Magnetoactive Elastomers Induced by Magnetic Field,” 19th U.S. National Congress on Theoretical and Applied Mechanics, Austin, TX, USA, June 2022.
  • G. U. Patil*, K. H. Matlack, “Experimental study of nonlinear waves in phononic materials with rough contacts,” 182nd ASA Meeting, Denver, CO, USA, May 2022. https://doi.org/10.1121/10.0010593
    • Best Student Paper Award – First Place in Structural Acoustics and Vibration at the 182nd meeting of the Acoustical Society of America, Denver, CO, USA 2022.
  • E. J. Smith*, and K. H. Matlack, “Wave propagation in a continuum phononic material with geomaterial-inspired nonlinearity,” 182nd ASA Meeting, Denver, CO, USA, May 2022. https://doi.org/10.1121/10.0010594
  • I. Arretche, K. H. Matlack*, “Controlling cylindrical waves using effective phononic crystals,” 182nd ASA Meeting, Denver, CO, USA, May 2022. https://doi.org/10.1121/10.0010870 (Invited Talk)

2021

  • G. U. Patil*, K. H. Matlack, “Emergence of stegotons in phononic materials with strongly nonlinear rough contacts,” 181st ASA Meeting, Seattle, WA, USA, November 30, 2021. https://doi.org/10.1121/10.0007934.
  • E. J. Smith*, and K. H. Matlack, “Wave propagation in a continuum nonlinear phononic material with soft nonlinear elastic layers,” 181st ASA Meeting, Seattle, WA, USA, November 30, 2021. https://doi.org/10.1121/10.0007933

2020

  • 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,” 179th ASA Meeting: Acoustics Virtually Everywhere, (online), December 7 – 11, 2020. https://doi.org/10.1121/1.5147155.
    • Best Student Paper Award – First Place in Structural Acoustics and Vibration at the 179th meeting of the Acoustical Society of America, Acoustic Virtually Everywhere 2020.
  • E. J. Smith*, and K. H. Matlack, “Influence of phononic material filters on nonlinear ultrasound measurements,” 179th ASA Meeting: Acoustics Virtually Everywhere, (online), December 7 – 11, 2020. https://doi.org/10.1121/1.5147730
  • 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, (online), October 2020.
  • C. D. Pierce*, K. H. Matlack, “‘Fuzzy band gaps’: quantifying Bloch wave evanescence in viscoelastic phononic crystals”, The Virtual Meeting 2020 of the Society of Engineering Sciences, (online), October 2020.

2019

  • E. J. Smith, I. Arretche, and K. H. Matlack*, “Phononic Material as ultrasonic filters in Nondestructive Evaluation Measurements,” International Mechanical Engineering Congress & Exposition (IMECE), Salt Lake City, UT, USA, November 11 – 14, 2019.
  • C. D. Pierce*, V. W. Chen, C. L. Willey, J. O. Hardin, A. T. Juhl, J. D. Berrigan, K. H. Matlack, “Computational Investigation of Magnetoactive Elastomers for Tunable Vibrational Metamaterials”, US National Conference of Computational Mechanics, Austin, TX, USA, July 28 – Aug. 1, 2019.
  • C. Kim*, K. H. Matlack, “An experimental method for mapping acoustic nonlinearity from accumulated plastic strain field”, 46th Quantitative Nondestructive Evaluation Conference (QNDE), Portland, OR, USA, July 14 – 18, 2019.
  • E. J. Smith*, I. Arretche, and K. H. Matlack, “Phononic material as ultrasonic filters in nondestructive evaluation measurements”, 46th Quantitative Nondestructive Evaluation Conference (QNDE), Portland, OR, USA, July 14 – 18, 2019.
  • I. Arretche*, and K. H. Matlack, “Manipulating vibration response of 3D printed metastructures through lattice topology: simulation and experimental validation,” 16th Pan-American Conference of Applied Mechanics, Ann Arbor, MI, USA, May 19 – 23, 2019.
  • G. U. Patil*, K. H. Matlack, “Anomalous wave polarization through a 3D periodic auxetic lattice,” 177th ASA Meeting, Louisville, KY, USA, May 13 – 17, 2019. https://doi.org/10.1121/1.5101115
  • I. Arretche, G. U. Patil, K. H. Matlack*, “Effects of geometry and mass distribution in 3D printed metastructures for vibration mitigation,” 177th ASA Meeting, Louisville, KY, USA, May 13 – 17, 2019. https://doi.org/10.1121/1.5101444
  • E. J. Smith*, I. Arretche, and K. H. Matlack, “Phononic material as ultrasonic filters in Nondestructive Evaluation Measurements,” Midwest Mechanics Graduate Student Symposium, Madison, WI, USA, March 9 – 10, 2019.
  • C. D. Pierce*, V. O. Chen, C. L. Willey, J. O. Hardin, A. T. Juhl, J. D. Berrigan, K. H. Matlack, “Viscoelastic effects on the frequency response of elastomeric metastructures”, SPIE Smart Structures and Nondestructive Evaluation, Denver, CO, USA, March 3 – 7, 2019.

2018

  • C. D. Pierce, V. O. Chen, C. L. Willey, J. O. Hardin, A. T. Juhl, J. D. Berrigan, K. H. Matlack*, “3D Printed Magnetorheological Elastomer Metastructures with Magnetically-Tunable Band Gaps”, International Mechanical Engineering Congress & Exposition (IMECE), Pittsburgh, PA, USA, November 9 – 15, 2018.
  • I. Arretche*, and K. H. Matlack, “On multi-functionality of 3-D printed architected metastructures: from interrelation of static and dynamic properties to structural applications,” The Midwest Mechanics of Materials and Structures Workshop, Chicago, IL, USA, August 9, 2018.
  • C. Kim*, K. H. Matlack, “Ultrasonic NDE on additively manufactured 316L stainless steel,” 45th QNDE, Burlington, VT, USA, July 15 – 19, 2018.
  • I. Arretche*, and K. H. Matlack, “Geometric Influences on Static and Dynamic Properties of 3-D Printed Architected Metastructures,” 18th US National Congress of Theoretical and Applied Mechanics, Chicago, IL, USA, June 4 – 9, 2018.

2017

  • K. H. Matlack*, M. Serra-Garcia, A. Palermo, S. Huber, C. Daraio, “A metamaterial design method applied to topologically-protected mechanical metamaterials,” 174th Meeting of the Acoustical Society of America, New Orleans, LA, USA, December 4 – 8, 2017. (invited talk)
  • K. H. Matlack*, M. Serra-Garcia, A. Palermo, S. Huber, C. Daraio, “A design method for topologically insulating metamaterials,” APS March Meeting, New Orleans, LA, USA, March 13 – 17, 2017.
  • K. H. Matlack*, M. Serra-Garcia, A. Palermo, S. Huber, C. Daraio, “Designing Topologically Insulating Metamaterials from Discrete Models,” Topological Metamaterials and Beyond, Aspen Center for Physics, Aspen, CO, USA, January 2 – 8, 2017. (invited lecture)

2016

  • K. H. Matlack*, A. Kissling, A. Palermo, C. Daraio, “Auxetic elastic meta-structures for vibration mitigation,” SES 53rd Annual Technical Meeting, Hyattsville, MD, USA, October 2 – 5, 2016.
  • K. H. Matlack*, A. Palermo, S. Krödel, A. Bauhofer, C. Daraio, “Controlling band gaps with geometry in composite elastic meta-structures,” ICTAM, Montreal, QC, Canada, August 21 – 26, 2016.

2015

  • K. H. Matlack*, C. Daraio, “Mode engineering in 3D-printed elastic meta-structures,” 2015 MRS Fall Meeting and Exhibit, Boston, MA, USA, Nov. 29 – Dec. 4, 2015.
  • K. H. Matlack*, S. Krödel, A. Bauhofer, C. Daraio, “Advanced structured composites as novel phononic crystals and acoustic metamaterials,” SEM 2015 Annual Conference and Exposition on Experimental and Applied Mechanics, Costa Mesa, CA, USA, June 8 – 11, 2015.
  • K. H. Matlack*, C. Daraio, “Geometry Effects in Locally Resonant Acoustic Meta-structures,” Phononics 2015: 3rd International Conference on Phononic Crystals/Metamaterials, Phonon Transport and Phonon Coupling, Paris, France, May 31 – June 5, 2015.

2012

  • J. Wall, K. H. Matlack*, J.-Y. Kim, L. J. Jacobs, H.-W. Viehrig, “Nonlinear Ultrasonic Testing for Radiation Damage,” 9th International Conference on NDE in Relation to Structural Integrity for Nuclear and Pressurized Components, Seattle, WA, USA, May 22 – 24, 2012.
  • K. H. Matlack*, J. Wall, J.-Y. Kim, L. J. Jacobs, J. Qu, H.-W. Viehrig, “Nonlinear ultrasound to monitor radiation damage in structural steel,” presented at 6th European Workshop on Structural Health Monitoring, Dresden, Germany, July 3 – 6, 2012, Vol. 1 pg. 138-145.
  • K. H. Matlack*, J.-Y. Kim, J. Wall, J. Qu, L. J. Jacobs, “Nonlinear ultrasonic methods to monitor microstructural evolution in metals,” presented at the 49th Annual Technical Meeting of the Society of Engineering Sciences, Atlanta, GA, USA, October 10 – 12, 2012.
  • K. H. Matlack*, “Nonlinear Ultrasonic NDE for reactor pressure vessel steels,” EPRI/Department of Energy Nondestructive Evaluation Workshop, Electric Power Research Institute, Charlotte, NC, USA, October 23, 2012.
  • K. H. Matlack*, “Ultrasonic NDE methods for RPV components,” Reactor Pressure Vessel Monitoring Workshop, Oak Ridge National Laboratory, Oak Ridge, TN, August 1, 2012.
  • K. H. Matlack*, J.-Y. Kim, L. J. Jacobs, J. Qu, J. Wall, H. Viehrig, “Nonlinear ultrasonic methods to monitor radiation damage in reactor pressure vessel steels,” Nuclear Materials, Osaka, Japan, 2012