पूर्वोत्तर क्षेत्रीय विज्ञान एवं प्रौद्योगिकी संस्थान
North Eastern Regional Institute of Science and Technology 
deemed-to-be-university under MHRD, Govt.of India
Nirjuli - 791109, Arunachal Pradesh
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faculties

Nirsanametla Yadaiah

Assistant Professor

Computational Welding Mechanics, Additive Manufacturing, Laser Based Manufacturing Processes and macro-/micro-scale fusion welding processes

e-mail:ny [AT] nerist(dot)ac(dot)in; yaadudme[AT]gmail(dot)com, Phone(EPBX/Office):+91-360-2257401 (extension:6190)

Personal Page

Google Scholar Profile

Researchgate Profile

Professional Background
From To Designation Organisation
5th February 2015 Till date Assistant Professor NERIST
Honors and Awards
Award Institute Year
1.  Best Research Paper International Conference on Advances in Mechanical Sciences 2014 2014
2.  Top 25 Downloaded Science direct Article Science Direct July 2014 to December 2014
Educational Details
Degree Subject University Year
Ph.D Manufacturing IIT Guwahati 2015
M.E CAD/CAM Andhra University 2010
B.Tech Mechanical Engineering JNTU Kakinada 2006
Memberships in Professional bodies

Life Member - Additive Manufacturing Society of India
Life Member - Indian Laser Association

Teaching Engagements
Title Course Code Module Semester
Computer Aided Design ME 7103 M.Tech 1st
Non-conventional Machining ME 6104 Degree 1st
Production Engineering II ME 3202 Diploma 2nd
Technical Mechanics ES 2201 Base 2nd

Student's Thesis

Ph.D. Research Scholar’s Thesis

1. Ms. Sohini Chowdhury: Electron Beam Welding (EBW) and Plasma Arc Welding (PAW) Processes. (With Prof. M. Muralidhar)

M.Tech. Student’s Thesis

3. Mr. Pranjal KalitaStudies on experimental investigation and numerical modeling of fusion welding process using laser source, 2016.

2. Ms. Gollo Rinu: Finite Element Based Heat Transfer Analysis of Deep Penetration Laser Welding Process, 2016.

1. Ms. Sohini ChowdhuryLaser Based Additive Manufacturing: State-of-Art, Heat Transfer Analysis and Capabilities, 2016. (With Prof. M. Chandrasekaran)

B.Tech., Student’s Thesis


Publications

1. Book(s)

1. Sohini Chowdhury, N. Yadaiah and M. Chandrasekaran: Laser Based Additive Manufacturing: State-of-Art, Heat Transfer Analysis and Capabilities, LAP-LAMBERT Academic Publishing Co. Ltd., Germany, ISBN 978-3-659-93561-9, 2016.

2. Book Chapter (s)

1. N. YadaiahS. Bag, C. P. Paul and L. M. Kukreja: Fiber laser welding in a controlled inert gas atmosphere: An experimental and numerical investigationin Laser Based Manufacturing, Springer, Chapter 20, pp. 399-419, 2015. DOI: 10.1007/978-81-322-2352-8_20

3. International Journal

6. N. Yadaiah, S. Bag, C. P. Paul and L. M. Kukreja: Influence of self-protective atmosphere in fiber laser welding of austenitic stainless steelInternational Journal of Advanced Manufacturing Technology, 86(1), 853 - 870, 2016.

5. N. Yadaiah and S. Bag: Development of egg-configuration heat source model in numerical simulation of autogenous fusion welding processInternational Journal of Thermal Sciences, Vol. 86, pp. 125-138, 2014(One of the most downloaded article from 'Science Direct' (Article Rank # 8th from July to September 2014) and   (Rank # 19th from October to December 2014).

4. S. Singh, N. Yadaiah, S. Bag and S. Pal: Numerical simulation of welding induced residual stress in fusion welding process using adaptive volumetric heat sourceProceedings of the IMechE, Part C: Journal of Mechanical Engineering Science228(16), pp. 2960-2972, 2014.

3. N. Yadaiah and S. Bag: Role of Oxygen as Surface-Active Element in Linear GTA Welding ProcessJournal of Materials Engineering and Performance, Vol. 22(11), pp. 3199-3209, 2013.

2. N. Yadaiah and S. Bag: Effect of heat source parameters in thermal and mechanical analysis of linear GTA welding processISIJ International, Vol. 52(11), pp. 2069-2075, 2012.

1. N. Yadaiah, S. Bag, C. P. Paul and L. M. Kukreja:  Efficient Finite Element Modeling of Fiber Laser Welding Process under Conduction Regime on 316 Stainless SteelInternational Journal of Current Engineering and Technology,ISSN : Electronic-2277 – 4106, Print-2347 - 5161, Special Issue 2, Feb. 2014, pp. 31-36.

4. International Conference

6. N. Yadaiah, S. Bag, C. P. Paul and L. M. Kukreja: An experimental investigation on fiber laser welding at controlled inert gas atmospherer"5th International & 26th All India Manufacturing Technology, Design and Research Conference (AIMTDR 2014), at IIT Guwahati, from 12th - 14th December 2014, pp. 875-1-6.

5. N. Yadaiah, S. Bag, C. P. Paul and L. M. Kukreja: Prediction of weld induced distortions in fiber laser butt joint, IIW International Congress 2014 on "Advancement In Welding, Cutting And Surfacing Technologies For Improved Economy And Sustainable Environment" in New Delhi, from 9th - 11th April 2014, pp. 241-246.

4. N. Yadaiah and S. Bag: Egg-configuration heat source model in simulation of diode laser welding under conduction regime, IIW International Congress 2014 on "Advancement In Welding, Cutting And Surfacing Technologies For Improved Economy And Sustainable Environment" in New Delhi, from 9th - 11th April 2014, pp. 247-252.

3. N. Yadaiah, S. Bag, C. P. Paul and L. M. Kukreja: Efficient Finite Element Modeling of Fiber Laser Welding Process under Conduction Regime on 316 Stainless Steel PlateInternational Conference on Advances in Mechanical Sciences 2014, Hyderabad9th to 11th January 2014, pp. 24-31(Awarded Best Research Paper).

2. N. Yadaiah, S. Bag, C. P. Paul and L. M. Kukreja: Fiber laser welding of austenitic stainless steel in protective atmosphere of argonRecent Development in Welding and Joining Technologies, 7th Asia Pacific International Institute of Welding International Congress20138th  - 10th July 2013, Singapore, pp. 501-506.

1. S. Bag and N. YadaiahPossible role of surface active elements in weld pool modelling   of fusion welding processInternational Conference on Computational Methods in Manufacturing (ICCMM 2011), IIT Guwahati, India, pp.154-162.

5. National Conference

4. Sohini Chowdhury, N. Yadaiah, M. Chandrasekaran, G. Rinu, P. Kalita and M. Muralidhar: Finite element based heat transfer analysis of laser assisted additive manufacturing process"24th DAE BRNS National Laser Symposium (NLS-24), at RRCAT, Indore, from 2nd - 5th December 2015, Doc. ID: 6.40.

3. K. Pranjal, N. Yadaiah, G. Rinu, Sohini Chowdhury, S. M. Khan and M. Muralidhar: Thermal analysis of laser hybrid welding process and challenges in modeling"24th DAE BRNS National Laser Symposium (NLS-24), at RRCAT, Indore, from 2nd - 5th December 2015, Doc ID: 8.10.

2. N.Yadaiah and M.M.M.Sarcar: Problems in designing obstacle detection self-controlled  manipulatorNational conference on Advances in manufacturing technology and management2010, JNTU Hyderabad, Hyderabad, India.

1. N.Yadaiah and S.Prakash: Three Dimensions of TQM, National level seminar, 2004, Narasaraopet engineering college, Narasaraopet, India.

6. Workshops

3. National Workshop on Tool Design And Its Applications2009, Andhra University, Visakhapatnam, India.

2. AICTE Sponsored Staff Development Programme On 'Finite Element Analysis And Its Applications', 2009, Gitam University, Visakhapatnam, India.

1. Faculty Development Programme2008, SVP Engineering College, Visakhapatnam, India.