Dr. Deepak Kumar Assistant Professor

July 2026 – Present

1. Assistant Professor, NAMTECH, Gujarat

April 2023 – May 2026

1. Researcher, Incheon National University Industry-Academy Cooperation Foundation, South Korea

August 2022 – January 2023

1. Project Engineer, Indian Institute of Technology Guwahati, India

July 2017 – July 2022

1. Teaching Assistant, Indian Institute of Technology Guwahati, India

July 2015 – June 2017

1. Teaching Assistant, Indian Institute of Technology (BHU) Varanasi, India

Journal Publications (First Author):

1. 1. Kumar, D., Choi, J., Lim, H., Kim, J., Kwon, H., Jeong, J., Mao, Y., Vivek, A., & Lee, T. (2026). A unified analytical and hybrid physics-informed neural network framework for inverse design of multi-layer impact welding with multi-modal validation: A case study on 3-layer vaporizing foil actuator welding of dissimilar materials. Journal of Materials Processing Technology. https://doi.org/10.1016/j.jmatprotec.2026.119324
   2. Kumar, D., Choi, J., Lim, H., Kwon, H., Jeong, J., & Lee, T. (2026). Computational and experimental insights into zinc-coating dynamics for dissimilar impact welding of galvannealed steel-aluminum joints. Journal of Materials Engineering and Performance. https://doi.org/10.1007/s11665-026-13307-1
   3. Kumar, D., Shafeeque, E. S., Kore, S. D., Lee, T., & Nandy, A. (2026). Advanced computational approaches for dissimilar metal electromagnetic crimping: Comparing smoothed-particle hydrodynamics and FEM. Journal of Materials Engineering and Performance. https://doi.org/10.1007/s11665-025-12513-7
   4. Kumar, D., Park, H., Choi, J., Kam, D. H., Lee, M., & Lee, T. (2025). The mechanical performance of the automotive Fe-Al dissimilar spot impact weld: In comparison to the self-pierced riveted joint. International Journal of Fatigue, 193, 108795. https://doi.org/10.1016/j.ijfatigue.2024.108795
   5. Kumar, D., Kore, S. D., & Nandy, A. (2024). Electromagnetic joining for multi-material tubular components: A comprehensive review. International Journal of Precision Engineering and Manufacturing-Green Technology, 11, 1601-1636. https://doi.org/10.1007/s40684-024-00599-8
   6. Kumar, D., Kore, S. D., & Nandy, A. (2022). A study on the effect of process parameters on the joint strength and leak tightness in electromagnetically assisted adhesive Cu-SS tube-to-tube joining through statistical analysis. International Journal of Adhesion and Adhesives, 116, 103136. https://doi.org/10.1016/j.ijadhadh.2022.103136
   7. Kumar, D., Kore, S. D., & Nandy, A. (2021). Experimental investigation of Cu-SS electromagnetically assisted adhesive tube-to-tube joining: Its advantages over electromagnetic crimping. International Journal of Adhesion and Adhesives, 109, 102908. https://doi.org/10.1016/j.ijadhadh.2021.102908
   8. Kumar, D., Kore, S. D., & Nandy, A. (2021). Finite element modeling of electromagnetic crimping of Cu-SS tube-to-tube joint along with simulation of destructive testing for strength prediction of the joint. Journal of Manufacturing Science and Engineering, 143(4), 041004. https://doi.org/10.1115/1.4048431
   9. Kumar, D., Kore, S. D., & Nandy, A. (2021). An interference-fit joining of Cu-SS composite tubes by electromagnetic crimping for different surface profiles. Welding in the World, 65, 1031-1050. https://doi.org/10.1007/s40194-021-01081-8
   10. Kumar, D., Pawar, S., Kore, S. D., & Nandy, A. (2020). Comparison of coupled and non-coupled finite element models for joining of Cu-SS tubes by electromagnetic forming. Procedia Manufacturing, 47, 673-677. https://doi.org/10.1016/j.promfg.2020.04.208
   11. Kumar, D., Murthy, K., Kore, S. D., & Nandy, A. (2023). Effect of thread angle besides pitch and discharge energy in electromagnetically crimped threaded surfaced tube-to-tube joint: Experimental and numerical investigation with ANOVA analysis. Materials Today: Proceedings. https://doi.org/10.1016/j.matpr.2023.02.074

Co-author Publications:

1. 1. Choi, J., Kumar, D., Lim, H., Kwon, S. E., Kwon, H., Jeong, J., Kim, J. G., & Lee, T. (2026). Jetting-enabled removal of zinc coatings and interfacial bonding in impact spot welding of aluminum to galvannealed steel. Metals and Materials International. Accepted/In press. https://sites.google.com/view/inusmpl/publications
   2. Song, G. W., Kumar, D., Oh, W., Lee, C. W., & Lee, T. (2026). Effect of cooling time and residual layer of Al-Si coating on nugget growth and weldability in resistance spot welding of 1.5-GPa-grade 22MnB5 press hardened steels. Journal of Manufacturing Processes, 162, 150-162. https://doi.org/10.1016/j.jmapro.2026.02.016
   3. Lee, T., Kumar, D., Vivek, A., Prothe, C., & Daehn, G. (2026). Comparative analysis of interfacial characteristics and jetting phenomena in explosive, vaporizing foil actuator, and laser impact welding. CIRP Journal of Manufacturing Science and Technology, 219-241. https://doi.org/10.1016/j.cirpj.2025.09.012
   4. Kulkarni, M. R., Kumar, D., Nandy, A., Kolge, T., Kore, S. D., & Bakhtsingh, R. I. (2024). Numerical investigation of magnetic pulse welding of D9 steel tube to SS316LN end plug using Lagrangian finite element and smoothed particle hydrodynamics and its experimental validation. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 46, 430. https://doi.org/10.1007/s40430-024-05018-2
   5. Park, H., Kumar, D., Park, K., Nam, K. S., Kim, Y., Kim, Y. M., & Lee, T. (2024). Electrode life evaluation for varied electrode material composition and geometry in resistance spot welding of aluminum alloys. Welding in the World, 68, 2701-2712. https://doi.org/10.1007/s40194-024-01816-3
   6. Kulkarni, M. R., Kolge, T., Kumar, D., Kore, S. D., Sharma, A., Srikanth, V., Laik, A., Chakraborty, G., & Albert, S. (2022). Magnetic pulse welding of D9 steel tube to SS316LN end plug. Transactions of the Indian Institute of Metals, 75, 171-182. https://doi.org/10.1007/s12666-021-02413-4
   7. Pawar, S., Kumar, D., Kore, S. D., & Nandy, A. (2023). Effect of die conductivity on electromagnetic forming of tube. Materials Today: Proceedings. https://doi.org/10.1016/j.matpr.2023.04.630

Conference Papers / Talks:

1. 1. Kumar, D., Choi, J., & Lee, T. (2026, February 9-10). Dynamic-resistance-informed coupled electro-thermal-mechanical simulation of three-layer aluminum resistance spot welding. 2026 Welding Meet, International Institute of Welding, Incheon, Republic of Korea.
   2. Kim, S., Kumar, D., Choi, J., & Lee, T. (2026, February 9-10). Electrical-mechanical optimization of Cu-Al three-stack VFAW busbar joints via IMC morphology control. 2026 Welding Meet, International Institute of Welding, Incheon, Republic of Korea.
   3. Kumar, D., & Lee, T. (2026, March 25-29). Jetting-oxide-intermetallic coupling and electrical performance of Al-Cu and Al-Cu-Cu busbar joints in VFAW. TMS 2026 Annual Meeting and Exhibition, San Diego, United States.
   4. Kumar, D., & Lee, T. (2025, August 26-28). Feasibility and mechanistic analysis of three-stack spot joints using vaporizing foil actuator welding with partial pre-forming. 10th International Conference on High-Speed Forming, TU Dortmund, Germany.
   5. Kumar, D., & Lee, T. (2024, July 3-5). Investigating weldability of material combinations for supersonic high-pressure vaporizing foil actuator welding through meso-scale and nano-scale computational framework and experimental characterization. NANO Korea 2024, Seoul, Republic of Korea.
   6. Kumar, D., Park, H., & Lee, T. (2023, November 19-23). Interfacial analysis using smoothed particle hydrodynamics and molecular dynamics during Al-Fe high-speed vaporizing foil actuator welding. PRICM 11, Jeju, Republic of Korea.
   7. Kumar, D., Kore, S. D., & Nandy, A. (2020, February 7-9). Finite element modelling of electromagnetic crimping of copper-stainless steel tube-to-tube joint. ICRAME 2020, NIT Silchar, India.
   8. Kumar, D., Pawar, S., Kore, S. D., & Nandy, A. (2020, May 4-8). Comparison of coupled and non-coupled finite element models for joining of Cu-SS tubes by electromagnetic forming. ESAFORM 2020, Brandenburg University of Technology, Germany.
   9. Kumar, D., Morajkar, C., Kore, S. D., & Nandy, A. (2022, January 10-11). Comparison of two different non-coupled multi-step simulation techniques for strength prediction of an electromagnetically crimped Cu-SS tube-to-tube joint with a smooth interface. I-4AM 2022, IISc Bangalore, India.
   10. Patents and Academic Contributions:

Granted Patents

1. Kumar, D., Lee, T. (2025). Riveting device using vaporizing foil actuator [Patent granted].
2. Kumar, D., Lee, T. (2025). Portable riveting device for vaporizing foil actuator assisted self-piercing riveting for metal-composite joints [Patent granted].

Book Chapters

1. Kumar, D., Morajkar, C., Kore, S. D., & Nandy, A. (2023). Comparison of two different non-coupled multi-step simulation techniques for strength prediction of an electromagnetically crimped Cu-SS tube-to-tube joint with a smooth interface. In Industry 4.0 and advanced manufacturing: Lecture Notes in Mechanical Engineering. Springer. https://doi.org/10.1007/978-981-19-0561-2_28
2. Kumar, D., Kore, S. D., & Nandy, A. (2021). Finite element modelling of electromagnetic crimping of copper-stainless steel tube-to-tube joint. In Recent advances in mechanical engineering: Lecture Notes in Mechanical Engineering. Springer. https://doi.org/10.1007/978-981-15-7711-6_11

1. Physics-informed AI and scientific machine learning for manufacturing
2. AI-based inverse process design and data-driven decision making
3. Digital twin and smart manufacturing
4. Simulations & Modelling
5. Advanced manufacturing processes/Advanced material processing
6. Supersonic High-velocity impact-induced joining and forming