Awarded Outstanding Thesis in Mechanical Engineering
Dissertation: Passive Energy Management in Acoustic and Dynamical Systems
Advisors: Professor Kathryn Matlack and Professor Alexander Vakakis
Stanley I. Weiss Outstanding Thesis Award, University of Illinois Urbana–Champaign (2025)
Director’s Postdoctoral Fellowship, Los Alamos National Laboratory (2024) — $324,000 competitive fellowship
Distinguished Student Award, Los Alamos National Laboratory (2022)
National Science Foundation Graduate Research Fellowship (NSF GRFP) (2020) — $138,000
UIUC Departmental Distinguished Fellowship (2020) — Declined in favor of NSF GRFP
SIAM Travel Grant, DS19 Conference (2019)
ASME Travel Grant, IDETC19 Conference (2019)
American Collegiate Hockey Association Academic All American (2016–2017)
Calvin College Dean’s List (2016–2018)
Tempelman, J. R., Wang, C., & Vakakis, A. F. (2026). Spectral Characterization of Wave Scattering at a Granular–Elastic Solid Interface: From Hyperbolic Wave Propagation to Near-Parabolic Diffusion. Journal of Sound and Vibration, 119658. https://doi.org/10.1016/j.jsv.2026.119658
Tempelman, J. R., Mitchell, K., Wachtor, A. J., & Flynn, E. B (2025). Probabilistic Emissivity Retrieval From Hyperspectral Data via Physics-Guided Variational Inference. IEEE Transactions on Geoscience and Remote Sensing, 63, 1-19. https://doi.org/10.1109/TGRS.2025.3643321
Gzal, M., Tempelman, J.R., Matlack, K.H., Vakakis, A.F. (2024). Subwavelength topological interface modes in a multilayered vibroacoustic metamaterial. Frontiers in Acoustics, 2, 1489401. https://doi.org/10.3389/facou.2024.1489401
Tempelman, J.R., Weidemann, T., Flynn, E.B., Matlack, K.H., Vakakis, A.F. (2024). Physics-Informed Machine Learning for the Inverse Design of Wave Scattering Clusters. Wave Motion. https://doi.org/10.1016/j.wavemoti.2024.103371
Ahmed, B., Mudunuru, M.K., Karra, S.K., Tempelman, J.R., et al. (2024). Deep Learning to Predict Pore Formation during Additive Manufacturing. Scientific Reports, 14(1), 13365. https://doi.org/10.1038/s41598-024-63288-1
Tempelman, J.R., Matlack, K.H., Vakakis, A.F. (2024). Harmonic balance formulation for nonlinear wave-scattering clusters. International Journal of Nonlinear Mechanics. https://doi.org/10.1016/j.ijnonlinmec.2024.104656
Tanweer, S., Khasawneh, F.A., Munch, E., & Tempelman, J.R. (2024). A Topological Framework for Identifying Phenomenological Bifurcations in Stochastic Dynamical Systems. Nonlinear Dynamics. https://doi.org/10.1007/s11071-024-09289-1
Tempelman, J.R., Vakakis, A.F., Matlack, K.H. (2024). A Modal Decomposition Approach to Topological Wave Propagation. Journal of Sound and Vibration, 586, 118033. https://doi.org/10.1016/j.jsv.2023.118033
Tempelman, J.R., Mudunuru, M.K., Karra, S.K., Wachtor, A.J., Flynn, E.B., Ahmed, B., et al. (2024). Uncovering Acoustic Signatures of Pore Formation in Laser Powder Bed Fusion. International Journal of Advanced Manufacturing Technology, 130(5), 3103–3114. https://doi.org/10.1007/s00170-023-12771-6
Tempelman, J.R., Vakakis, A.F., Matlack, K.H. (2023). Spectral Scattering and Inter-band Targeted Energy Transfer in Phononic Lattices with Local Vibro-Impact Nonlinearities. Physical Review E, 108, 044214. https://doi.org/10.1103/PhysRevE.108.044214
Tempelman, J.R., Mojahed, A., Gzal, M., Matlack, K.H., Gendelman, O.V., Bergman, L.A., Vakakis, A.F. (2022). Experimental inter-modal targeted energy transfer in a cantilever beam undergoing vibro-impacts. Journal of Sound and Vibration, 539, 117212. https://doi.org/10.1016/j.jsv.2022.117212
Tempelman, J.R., Wachtor, A.J., Flynn, E.B., Depond, P.J., et al. (2022). Sensor Fusion of Pyrometry and Acoustic Measurements for Localized Keyhole Pore Identification in Laser Powder Bed Fusion. Journal of Materials Processing Technology. https://doi.org/10.1016/j.jmatprotec.2022.117656
Tempelman, J.R., Wachtor, A.J., Flynn, E.B., Depond, P.J., et al. (2022). Detection of keyhole pore formations in laser powder-bed fusion using acoustic process monitoring measurements. Additive Manufacturing, 55, 102735. https://doi.org/10.1016/j.addma.2022.102735
Tempelman, J.R., Matlack, K.H., Vakakis, A.F. (2021). Topological protection in a strongly nonlinear interface lattice. Physical Review B, 104(17), 174306. https://doi.org/10.1103/PhysRevB.104.174306
Myers, A.D., Tempelman, J.R., Petrushenko, D., Khasawneh, F.A. (2020). Low-cost double pendulum for high-quality data collection with open-source video tracking and analysis. HardwareX, 8, e00138. https://doi.org/10.1016/j.ohx.2020.e00138
Tempelman, J.R., Khasawneh, F.A. (2020). A look into chaos detection through topological data analysis. Physica D: Nonlinear Phenomena, 406, 132446. https://doi.org/10.1016/j.physd.2020.132446