Shashi Prakash

Assistant Professor
PhD (Mechanical Engineering), IIT Patna
Areas of interest
Laser Material Processing, Micromachining, Microfluidics, Advance Manufacturing Methods

Dr. Shashi Prakash is currently working as an Assistant Professor in SEAS, Ahmedabad University, Ahmedabad, Gujrat. He holds a Ph.D. degree in Mechanical Engineering from Indian Institute of Technology Patna, Bihar, India. He obtained Masters in Production Engineering from Jadavpur University, Kolkata where he received university Gold Medal for securing first rank. He is the recipient of DST INSPIRE fellowship award from Government of India. Shashi's primary research area is Laser based machining and micromachining processes. He also has a keen interest in laser related processes for bio-microfluidics. 

Google Scholar Profile

ResearchGate Profile

  1. Laser Material Processing
  2. Laser Micromachining
  3. Advance Manufacturing Processes
  4. Laser based processing for bio-microfluidics
  5. Heat and Mass Transfer in Manufacturing Processes
  6. Manufacturing Science

Dr. Prakash has several publications to his credit. His one of the paper has received Most cited article award from International Journal of Precision Engineering and Manufacturing, 2018 (Springer). A comprehensive list of journal and conference papers can be found below.

International Journals

  1. Shashi Prakash, Subrata Kumar, Pulse smearing and profile generation in CO2 laser micromachining on PMMA via raster scanning, Journal of Manufacturing Processes, 2018; (31), 116-123, (SCI, IF = 2.32)
  2. Shashi Prakash, Subrata Kumar, Fabrication of rectangular cross-sectional microchannels with a CO2 laser and underwater fabricated copper mask, 94:180 - 192, 2017, Optics and Laser Technology, (Elsevier), (SCI, IF = 2.109)
  3. Shashi Prakash, Subrata Kumar, Experimental investigations and analytical modeling of multi-pass CO2 laser processing on PMMA, Precision Engineering, (Elsevier), (SCI, IF = 2.237)
  4. Shashi Prakash, Subrata Kumar, Experimental and theoretical analysis of defocused CO2 laser microchanneling on PMMA for enhanced surface finish. Journal of Micromechanics and Microengineering. 2017;(27):025003, (SCI, IF = 1.794)
  5. Shashi Prakash, Subrata Kumar, Fabrication of microchannels on transparent PMMA using CO2 Laser (10.6 μm) for microfluidic applications: An experimental investigation. International Journal of Precision Engineering and Manufacturing. 2015;16(2):361–366., (SCI, IF = 1.497)
  6. Shashi Prakash, Subrata Kumar, Profile and depth prediction in single-pass and two-pass CO2 laser microchanneling processes. Journal of Micromechanics and Microengineering. 2015;25(3):035010., (SCI, IF = 1.794)
  7. Shashi Prakash, Subrata Kumar, Fabrication of microchannels: A review. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. 2015;229(8):1273–1288.,(SCI, IF = 1.366)
  8. Shashi Prakash, Bappa Acherjee, Arunanshu S. Kuar, Souren Mitra, An experimental investigation on Nd:YAG laser microchanneling on polymethyl methacrylate submerged in water. Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture 04/2013; 227(4-4):508-519., (SCI, IF = 1.366)
  9. Shashi Prakash, Bappa Acherjee, Arunanshu S. Kuar, Souren Mitra, Robust Parameters Design and Optimization of an Underwater Nd:YAG Laser Microchanneling Process Using the Taguchi Method. Lasers in Engineering 01/2016; 33(1-3):87-102., (SCI, IF = 0.469)
  10. Bappa Acherjee, Debanjan Maity, Shashi Prakash, Arunanshu S. Kuar, Optimal Process Parameter Selection of Underwater Nd:YAG Laser Micro-channeling on PMMA by Firefly Algorithm and Flower Pollination Algorithm, Journal of Chinese Society of Mechanical Engineers, (accepted), (SCI, IF = 0.3)
  11. Bappa Acherjee, Shashi Prakash, Arunanshu S. Kuar, Souren Mitra: Grey Relational Analysis Based Optimization of Underwater Nd: YAG Laser Micro-channeling on PMMA. Procedia Engineering 12/2014; 97:1406-1415.
  12. Shashi Prakash, Subrata Kumar, CO2 Laser Microchanneling Process: Effects of Compound Parameters and Pulse Overlapping, IOP Conf. Series: Materials Science and Engineering 149 (2016) 012018
  13. Shashi Prakash, Nitish Kumar, Subrata Kumar. Monte-Carlo Based Uncertainty Analysis For CO2 Laser Micro-channeling Model. IOP Conf. Series: Materials Science and Engineering 149 (2016) 012125
  14. Nitish Kumar, Shashi Prakash, Subrata Kumar. Studies of laser textured Ti-6Al-4V wettability for implants, IOP Conf. Series: Materials Science and Engineering 149 (2016) 012056

Book Chapters

  1. Shashi Prakash, Subrata Kumar, Energy Based Analysis of Laser Microchanneling Process on Polymethyl Methacrylate (PMMA). In: Lasers Based Manufacturing. Springer; 2015. p. 239–253.
  2. Shashi Prakash, Subrata Kumar, Microchannel fabrication via direct laser writing. In Microfabrication and Precision Engineering, Woodhead publishing (Elsevier) January, 2017, ISBN:978-0-85709-485-8, p163.


Conferences

  1. Shashi Prakash, Subrata Kumar, Dimensional control through process parameters in microchannel fabrication on PMMA with a CO2 laser, International conference on precision, meso, micro and nano machining (COPEN 10, 2017), IIT Madras (7 - 9 December, 2017)
  2. Shashi Prakash, Subrata Kumar, Energy Based Analysis of Laser Microchanneling Process on Polymethyl methacrylate (PMMA). In: All India Manufacturing Technology, Design and Research Conference (AIMTDR 2014), 2014, IIT Guwahati, Assam, India; 2014.
  3. Shashi Prakash, Subrata Kumar, Effects of compound parameters in CO2 laser microchanneling of PMMA. In: International conference on Application of Lasers in Manufacturing, (CALM 2015). Pragati Maidan, New Delhi, India; 2015.
  4. Shashi Prakash, Subrata Kumar, Parametric effects and dimensional predictions in CO2 laser microchanneling on PMMA. In: International Conference on Advanced and Agile Manufacturing Systems (ICAM 2015), KNIT, Sultanpur; 2015.
  5. Shashi Prakash, Subrata Kumar, Statistical and Analytical approaches for Depth and Profile Prediction in CO2 Laser Microchanneling on Poly-methyl- methacrylate (PMMA). In: 3rd International Conference on Laser and Plasma Application in Materials Science (LAPAMS 2015); Kolkata.
  6. Shashi Prakash, Bappa Acherjee, Arunanshu S. Kuar, Souren Mitra, Fabrication of Microchannels on Polymers Using Nd:YAG Laser. International Conference on Agile Manufacturing, IIT BHU,; 12/2012
  7. Shashi Prakash, Bappa Acherjee, Arunanshu S. Kuar, Souren Mitra, Creating microchannels on polymers using underwater Nd:YAG laser processing. International Conference on Manufacturing Excellence, Amity University Uttar Pradesh, Noida, India, Noida, India; 03/2012
  8. Shashi Prakash, Bappa Acherjee, Arunanshu S. Kuar, Souren Mitra, Parametric Analysis and Response Surface Modeling of Water Assisted Nd:YAG Laser Microchanneling of PMMA. An International Conference on PRECISION, MESO, MICRO, AND NANO ENGINEERING (COPEN), College of Engineering., Pune; 12/2011
  9. Shashi Prakash, Subrata Kumar, CO2 Laser Microchanneling Process: Effects of Compound Parameters and Pulse Overlapping, IConAMMA 2016, Amrita University Bangalore.
  10. Shashi Prakash, Nitish Kumar, Subrata Kumar, Monte-Carlo Based Uncertainty Analysis For CO2 Laser Micro-channeling Model. IConAMMA 2016, Amrita University Bangalore.
  11. Nitish Kumar, Shashi Prakash, Subrata Kumar, Studies of laser textured Ti-6Al-4V wettability for implants, IConAMMA 2016, Amrita University Bangalore.
  12. Shashi Prakash, Nitish Kumar, Subrata Kumar, CO2 Laser Microchanneling on Polymethyl methacrylate (PMMA) at different defocusing, COE Pune, AIMTDR 2016

Poster Presentation

  1. Shashi Prakash, Subrata Kumar, Microchannel fabrication on PMMA using CO2 laser microchanneling. Research scholar day, 2014, IIT Patna.
  2. Shashi Prakash, Subrata Kumar, Uncertainty analysis of CO2 laser micromachining of PMMA based on Monte-Carlo method, Research scholar day, 2016, IIT Patna.

(Monsoon 2017)

1. Fluid machines

2. Dynamics of machines

3. Dynamics of machines lab

(Winter, 2018)

1. Manufacturing Processes Lab

Journal Reviewer (International)

  1. Journal of Cleaner Production, Elsevier.

  2. Journal of Engineering Manufacture, I Mech. E. Part B, SAGE Publishers.

  3. Journal of Process Mechanical Engineering, Part E: SAGE Publishers

  4. Independent Journal of Management & Production

Lectures and Industrial Visits

Delivered a lecture on worker's safety at Rajnagar Textile Mills, Ahmedabad.

Attended safety review committee meeting at Meghmani Industries, Ahmedabad.

  1. One Week Short Term Course on "Intellectual Property Rights (IPR)" at NIT Patna, April 12-16, 2016
  2. Fifteen days course on CNC machining by MTAB Ltd., Chennai
  3. One month summer training at DLW Varanasi.
  4. One week FDP on Additive Manufacturing at IIT BHU

Contact

220, School of Engineering and Applied Science,
Ahmedabad University,
Ahmedabad Education Society FP. 4,
Near Commerce Six Roads,
Navrangpura, Ahmedabad - 380 009, India

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