Vishwanath Nagallapati Ph.D., Assistant Professor at NAMTECH
Vishwanath Nagallapati

Vishwanath Nagallapati

Dr. Vishwanath Nagallapati is a Ph.D. graduate from Indian Institute of Technology Hyderabad where he pursued his research in the Mechanical and Aerospace Engineering Department. His area of research was in metal additive manufacturing with the thesis title “Thermal management in wire arc additive manufacturing”.

He presented his work at various national and international conferences. In addition to this, his research interests include powder DED, machine learning for AM and Hybrid manufacturing for sustainability. He pursued his M.Tech in Manufacturing Engineering from National Institute of Technology Warangal and received Prof. R.L.Murthy Gold Medal award for academic excellence.

His master’s work was on “Tool wear studies while welding copper using friction stir welding technique”. He did his B.Tech in mechanical Engineering from Kakatiya University, Warangal, Telangana.

He enjoys travelling, reading books, swimming and outdoor games.

2017 – 2023 Doctor of Philosophy

  1. Doctor of Philosophy (2017-2023): Indian Institute of Technology Hyderabad, Department of Mechanical and Aerospace Engineering (Specialisation: Integrated Design and Manufacturing).

2014 – 2016 M.Tech

  1. Master of Technology (2014-2016): National Institute of Technology Warangal, Department of Mechanical Engineering (Specialisation: Manufacturing Engineering).

2010 – 2014 B.Tech

  1. Bachelor of Technology (2010-14): Kakatiya University, Mechanical Engineering.
  1. Assistant Professor: Department of Smart Manufacturing NAMTECH; Gandhinagar, India Mar 2024-Present
  2. Post doctoral fellow: Indian Institute of Technology Hyderabad, (June 2023-Feb 2024).
  3. Teaching Assistant : Additive and Subtractive manufacturing Lab, IIT Hyderabad, (2018-2023).
  4. Adhoc Faculty : National Institute of Technology Warangal (2016-17)


  1. Nagallapati Vishwanath, S Suryakumar, “Use of fractal curves for reducing spatial thermal gradients and distortion control,” SME, Journal of Manufacturing Processes, 81:594-604, 2022 Link.
  2. S. Dadasaheb, S. Gudur, Nagallapati Vishwanath, A. Choudhary, A. Torris, and G. Muvvala,“A study on anisotropy in wire arc additively manufactured Inconel 625 multi-layered wall and its correlation with molten pool thermal history,” Materials Science and Engineering: A, 840:1428865, 2022 Link.
  3. Nagallapati Vishwanath, V. Khare, A. Sharma, S. Suryakumar, “Active and passive thermal management in wire arc additive manufacturing,” Metals, 13(4):682, 2023. Link.
  4. Nagallapati Vishwanath, S. Suryakumar, “Residual stress and distortion control in wire arc additive manufacturing process through novel modular substrate,” Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering.2023;0(0) Link..
  5. Srinath Gudur, Vishwanath Nagallapati, Sagar Pawar, Gopinath Muvvala, Suryakumar Simhambhatla, “A study on the effect of substrate heating and cooling on bead geometry in wire arc additive manufacturing and its correlation with cooling rate,” Materials Today: Proceedings, Volume 41, Part 2, 2021, Link.

Patents (filed)

  1. Nagallapati Vishwanath, S Suryakumar,“A novel area-filling approach in metal additive manufacturing for reducing substrate distortion,” Indian patent App.No: 202241020913.
  2. Ch Shivaprasad, Nagallapati Vishwanath, S Suryakumar, N.Venkata Reddy, “Method and system thereof to fabricate parts using metal additive manufacturing and double-sided incremental forming,” Indian patent App. No: 202241046376.
  3. Ch Shivaprasad, Nagallapati Vishwanath, S Suryakumar, N.Venkata Reddy, “Method and system for a reconfigurable setup for tailored thermal control during metal additive manufacturing,” Indian patent App. No: 202441001687.
  1. Metal Additive Manufacturing, CAD/CAM, Machine Learning for AM, Sustainable Manufacturing.

Councils & Boards