Dr. VENKAIAH N

Assistant Professor

Department of Mechanical Engineering

National Institute of Technology, Warangal - 506004, A.P, INDIA

: n_venkaiah@nitw.ac.in

: 9441933382, 8332969375

Interests: Computational Metrology, Machining, Optimization Techniques, Additive Manufacturing

EDUCATIONAL PROFILE

2010               Doctor of Philosophy (Ph.D.)

Manufacturing Engineering, Indian Institute of Technology Madras, India

Thesis: Analysis and Computational Geometry based Evaluation of Circularity and Cylindricity Errors

2000               Master of Engineering (M.E.)

Manufacturing Technology, National Institute of Technology, Tiruchirappalli, India

Thesis: Design of Cellular Manufacturing using Production Data-based Similarity Coefficients A Comparative Study

1999               Bachelor of Technology (B. Tech.)

Mechanical Engineering, Sri Venkateswara University College of Engineering, Tirupati, India

Project: Failure Analysis of Suspension System of Buses and Expert System Development

 

TEACHING EXPERIENCE

2007 Till date      Assistant Professor, Department of Mechanical Engineering, National Institute of Technology Warangal, India. 

RESEARCH INTERESTS

  • Metrology
  • Machining
  • Mechatronics
  • Modeling and Optimization of Manufacturing Processes
  • Computational geometric techniques

 

SUBJECTS HANDLED

B. Tech.:

  • Machine Tools and Metrology
  • Machining Science
  • Mechanical Measurements
  • Engineering Graphics

M. Tech.:

  • Metrology and Computer Aided Inspection

  • Mechatronics

  • Computer Integrated Manufacturing

  • Computer Aided Design

 

INTERNATIONAL JOURNAL PUBLICATIONS

S.No.Author (s)TitleJournal NameVol. Page. Year.
1G. Prabhakaran, M. Sachithanandam and N. VenkaiahApplication of the Maximal Spanning Tree Approach for Machine Cell FormationInt. J. Advanced Manufacturing Technology20, 503-514, 2002
2N. Venkaiah and M.S ShunmugamEvaluation of Form Data using Computational Geometric Techniques, Part I: Circularity ErrorInt. J. Mach. Tools and Manufacture47 (7-8), 1229-1236, 2007
3N. Venkaiah and M.S ShunmugamEvaluation of Form Data using Computational Geometric Techniques, Part II: Cylindricity ErrorInt. J. Mach. Tools and Manufacture47 (7-8), 1237-1245, 200
4M. S. Shunmugam and N. VenkaiahEstablishing Circle and Circular-Cylinder References using Computational Geometric TechniquesInt. J. Advanced Manufacturing Technology51, 261275, 2010
5M. S. Shunmugam and N. VenkaiahInfluence of Eccentricity and Axis Tilt on Circularity and Cylindricity AssessmentsInt. J. Precision Technology1 (3/4), 234-250, 2010
6Sreenivasa Rao M, Venkaiah NReview on Wire-Cut EDM ProcessInt. J. Advanced Trends in Computer Science and Engineering2 (6), 12-17, 2013
7A. Varun and N. VenkaiahSimultaneous optimization of WEDM responses using grey relational analysis coupled with genetic algorithmInt. J. of Advanced Manufacturing Technology

76, 1-4, 675-690, 2015


8A. Varun and N. Venkaiah
Grey Relational Analysis coupled with Firefly Algorithm for Multiobjective Optimization of Wire Electric Discharge Machining
J. of Engineering Manufacture

229 (8), 1385-1394, 2015


9

Srinivasa Rao M,

Venkaiah N

Parametric Optimization in Machining of Nimonic-263 alloy using RSM and Particle Swarm OptimizationProcedia Material Science10, 70 - 79, 2015
10

Md. Karim Baig, N. Venkaiah

Parametric Optimization of WEDM for Hastelloy C276 using GRA MethodInt. J. of Engineering Development and Research1 (2), 1-7, 2014
11

Srinivasa Rao M, Venkaiah N

Application of Differential Evolution Algorithm for Parametric Optimization of WEDM while machining Nemonic-263 alloy"Int. J. of Advancements in Mechanical and Aeronautical Engineering2, 57 - 61, 2015

 

INTERNATIONAL CONFERENCE PROCEEDINGS

S.No.Author (s)TitleConference NameVol. Page. Year.
1A. Varun, N. Venkaiah, B. KotiveerachariSingle Discharge Analysis of Electric Discharge Turning4th Int. Conf. on Advances in Mechanical Engineering, S.V.NIT, Surat, Gujarat, India.579-583, 2010
2N. Venkaiah and N. SrinagalakshmiSquareness Evaluation using Computational Geometric ApproachWorld Congress on Engineering 2011, London, U. K.Vol. III, 2218-2220, 2011
3A. Varun, N. Venkaiah, B. KotiveerachariMulti-Objective Optimization of Powder Mixed EDM4th International & 25th All India Manufacturing Technology, Design and Research Conference (AIMTDR), Jadavpur University, Kolkata, India.Vol I, 453-459, 2012
4A. Varun, N. Venkaiah, B. KotiveerachariGray Relational Analysis Coupled with Genetic Algorithm for Multi Objective Optimization of Wire-EDM4th International & 25th All India Manufacturing Technology, Design and Research Conference (AIMTDR), Jadavpur University, Kolkata, India.Keynotes and Abstracts Volume, 56
5

N. Venkaiah

D. S. Srinivasu

Probabilistic Search Approach for Circularity EvaluationInternational Colloquium on Materials, Manufacturing and Metrology, IIT Madras, India.369-370, August 8 & 9, 2014
6

Sreenivasa Rao, M and N. Venkaiah

Application of Differential Evolution Algorithm for Parametric Optimization of WEDM while machining Nemonic-263 alloyInt. Conference on Advances in Civil, Structural and Mechanical Engineering, Bankok, Thailand. 84-88, 2015

 

NATIONAL CONFERENCE PROCEEDINGS

S.No.Author (s)TitleConference NameVol. Page. Year.
1

N. Venkaiah and

M. S. Shunmugam

Minimum zone evaluation of circularity errorAll India Seminar/Conference on Advances in Mechanical Engineering, Tirupati, IndiaA10-A12, 2004
2

N. Venkaiah and

M. S. Shunmugam

Minimum zone evaluation of spatial straightnessProc. of 21st AIMTDR Conference, Vellore, India317-321, 2004

 

WORKSHOP/SSTPs/CONFERENCES ORGANIZED

S. No.TitleCoordinatorDate
1Precision Manufacturing and Measurements: Current Trends and Challenges

Prof. N. Selvaraj

Dr. N. Venkaiah

Dr. M. J. Davidson

May 18- 20, 2012
2Modeling, Analysis and Control of Mechatronic Systems

Dr. N. Venkaiah

Mr. J. Ravi kumar

July 27 29, 2012
3Essential Techniques for Research Problems in Manufacturing and Measurments

Prof. N. Selvaraj

Dr. N. Venkaiah

Dr. M. J. Davidson

July 8 12, 2013
4Advanced Materials and Machining

Prof. A. Venu Gopal

Dr. N. Venkaiah

Dr. P. S. C. Bose

October 31 - November 2, 2013

WORKSHOP/SSTPs/CONFERENCES ATTENDED

S. No. TitleDateWorkshopOrganized at
1Instructional Design and Delivery

2002 (13 - 14 Dec.)WorkshopNITTTR, Chennai
2

Genetic Algorithms for Mechanical Engineering Optimization Problems

2006 (03 05 Mar.)WorkshopNIT Warangal
3

Mechatronics and MEMS

2007 (12 - 17 Mar.)STTPNIT Warangal
4

Digital Factory

2008 (25 - 06 Sep.)STTPNIT Warangal
5

Solar Photovoltaics: Fundamentals, Technology and Applications

2011 (12 - 22 Dec.)WorkshopNIT Warangal
6

Introduction to Research Methodologies

2012 (25th June 4th July)WorkshopNIT Warangal
7Precision Measurements and Metrology2012 (26 30 Nov)STTPCMTI, Bangalore.
8Additive/Generative Manufacturing Technologies2014 (7-8 July)WorkshopIIT Hyderabad

 

Ph.D. GUIDANCE

S. No.CandidateThesisAward Year
1A. VarunSingle Discharge Analysis and Multi Objective Optimization of Wire-EDM using Gray Relational Analysis coupled with Genetic and Firefly Algorithms
2015
2M. Srinivasa RaoMachining of Super Alloys using Wire-Cut EDM2016
3D. Sarath ChandraAdditive ManufacturingOngoing

 

STUDENT PROJECTS SUPERVISED

 M. Tech. Projects:

S. No.Project TitleStudent's NameAcad. Year
1Engine Torque Measurement in Powertrain Durability ProcessRajput Popat Narsing2007-08
2Autonomous Car Parking using Fuzzy Logic ApproachK. Kiran2008-09
3Roundness Evaluation using PSO algorithmSwarna V. Pavan Kumar2008-09
4Perfomance of Cutting Fluids in Face MillingV. S. Praveen Kumar2009-10
5Effect of Rake Angles on Cutting Forces in an Orthogonal Turning ProcessC. Nagendra Babu2009-10
6Evaluation of Straightness Error using Support Vector RegressionJ. Shyam Sunder2009-10
7Evaluation of Squareness using Computational Geometric ApproachN. Srinagalakshmi2009-10
8Multi Objective Optimization of Process Parameters for Friction Welding using Genetic AlgorithmK. Lakshman Sarat2010-11
9Effects of Graphite Powder Mixed Dielectric on Material Removal Rate and Surface Roughness in EDM of Cu-Al AlloyMohit Kumar2010-11
10Fuzzy-Genetic Approach to Optimize Machining Process Parameters of AWJMMahesh S. Todkar2010-11
11Machinability Assessment of Aerospace Aluminium AlloySyed Muzammil Hussain2010-11
12Analysis and Optimization of Multi-Response Powder Mixed EDM using Weight Based GACh. L. D. Sowjanya2011-12
13Simultaneous Optimization of WEDM Process Parameters using Weight-based GAJ. Varsha2011-12
14

Performance Evaluation of MQL by Nano Fluids on EN 36

Anil Babu Puli 2011-12
15

Optimization of Turning Process while Machining Incoly 800

Sunil Kumar M
2012-13
16Optimization of Cutting Forces and Surface Roughness in Turning of Hastealloy C-276D. Upender
2012-13
17

Analysis of EDM and Parametric Optimization of WEDM for Hastealloy C-276

Mohamed Karim Baig
2012-13
18

Optimization of Wire EDM parameters using TOPSIS method for Inconel 690

Anup Kumar Jana2013-14
19

Multi Objective Optimization of Process Parameters of WIRE- EDM using Genetic Algorithm for INCONEL 690

K. Varun2013-14
20

Simultaneous Optimization of WEDM Parameters for Nimonic Alloy 263 using Grey Relational Analysis

V. Srikanth

2013-14
21

Parametric Optimization of WEDMprocessfor Nimonic Alloy 

 K. Anjaneyulu2013-14
22

Modeling and Analysis of EDM using COMSOL Multiphysics

Rahul Gondane2013-14
 23Algorithm for Minimum Build Time and Mean Surface Roughness in Additive Manufacturing Process Vikranth Kumar 2014-15 
24Experimental Investigation and Optimization of WEDM Process in Machining Inconel X-750Smita Padhan2014-15
25Process Parameter Optimization on WEDM of Aluminum 2014 alloy using RSM and GRAP. Chandan2014-15

 

B. Tech. Projects:

S.No.Project Title
Student (s)' NameAcd. Year
1Evaluation of Roundness Error from CMM DataKiran Swaroop Boppudi, Krishna Chaitanya Jargula, ANV Prasad, V Doondeswar2007-08
2Numerical Analysis of Heat Transfer in an Automobile Radiator using NanofluidsD. Karthikm, A. Anoop Kumar, P.S.V.S.S.R. Krishna2008-09
3Evaluation of Roundness Error by Simplex Search MethodVinayak singh, Rohitash singh, Kuldeep kumar shah2009-10
4Evaluation of Circularity Error by Construction of Inner Convex HullAmal Ashok, Harsh Jha, Leroy Mathew2010-11
5Surface Finishing using Ice bonded Abrasive Polishing ProcessAde Govardhan, Ravipalli Tirupathi, Samala Avinash, Villuri Venkatesh2011-12
6

Effect of Various Process Parameters on the Mechanical Properties of Friction Stir Processed AA-6082 Aluminum Alloy

Anubhav Singh, Shashank Kumar, Jitesh Kumar, Desh Bandhu Meena

 2012-13
7

Design of Four Wheel Steering System

Kothamasu Dinesh Kumar, Konatala Ramesh Babu, Chereddy Sridhar Reddy, Muddasani Rakesh

2013-14
8 Voice Controlled Wheel Chair for Physically Challenged PeopleRitesh Raman, Prashant Kumar, Tshewang Jamtsho 2014-15 

 

SPONSORED R&D PROJECTS

S.No.Sponsoring AuthorityProject Name

Project Cost

(Rs. Lakh)

Dur. & Sanct. Year
1MHRDNational Mission Project on Education through ICT: Mechatronics
102 Years, 2009
2Department of Science and Technology (DST), MHRD  (Fast-Track Young Scientist Scheme), Govt. of IndiaExperimental Studies on Wire Electric Discharge Machining21.13 Years, 2012
3MHRD's Research Seed Money (RSM) SchemeSingle Discharge Analysis of Electric Discharge Machining3.151 Year, 2013

 

AWARDS/HONOURS

  1. Young Scientist Project Awarded from Department of Science and Technology, Government of India..

 

REVIEWER OF JOURNALS

  1. Journal of Engineering Manufacture
  2. Int. Journal of Advanced Manufacturing Technology


 

EXPERT LECTURES DELIVERED

S.No.TopicInstitutePeriod
1Digital Metrology in a Two-Week MHRD Sponsored STTP on Digital FactoryNIT Warangal

2008

(25th Aug.6th Sep.)

2Form MetrologyMekapati Rajamohan Reddy Institute of Technology and Science (MeRITS), Nellore2012
 3Modeling of Engineering Systems in a National Workshop on Mathematical Methods in EngineeringDepartment of Mathematics, NIT Warangal2013, Dec. 2 - 6

 

PROFESSINAL MEMBERSHIPS

  1. Member of American Society of Mechanical Engineers (ASME) - 100182618
  2. Life Member of Indian Society for Technical Education (MISTE) - LM-81389
  3. Life Member of Institution of Engineers (MIE) M-145127-2

 

ABROAD VISITS

  1. U.K.: Presented a paper entitled Squareness Evaluation using Computational Geometric Approach" at World Congress on Engineering, London, June. 2011.
  2. USA: R & D Training at University of Cincinnati, Cincinnati, Ohio, May 1 - 31, 2014

 

ADDITIONAL RESPONSIBILITIES

S. No.  Institute Level
1Department's Representative for IT Services Coordination Committee (ITSCC) during October 2011 - July 2014
2Hostel Warden during July 2012 - June 2014
            Department Level
3 Coordinator for M. Tech. (Additive Manufacturing) during July 2014 - Till date
4In-charge of Additive Manufacturing Laboratory, July 2014 - Till date
5Coordinator for M. Tech. (Manufacturing Engineering) during June 2011 - June 2014
6In-charge of Precision Metrology Laboratory during March 2011 - Till date
7Member, Department Space Committee, from March 2013 to till date


Course Taught Previously

U.G. Theory

U. G. Laboratory

  • Engineering Drawing
  • Machine Tools and Metrology
  • Machining Science
  • Mechatronics
  • Manufacturing Technology

  • Machining and Metrology Lab
  • Engineering Graphics Lab

P.G. Theory

P. G. Laboratory

  • Metrology & Computer Aided Inspection
  • Mechatronics
  • Computer Integrated Manufacturing
  • CAD for Additive Manufacturing
  • Mechatronics and Automation
  • CAD/CAM lab
  • Rapid prototyping

 

Publications

 

 Refereed International Journals

S. No.

Title and the Authors of the paper

Name of the Journal

Year / Vol./ Page No.

1

G. Prabhakaran, M. Sachithanandam and N. Venkaiah Application of the Maximal Spanning Tree Approach for Machine Cell Formation

Int. J. Advanced Manufacturing Technology

2002 / 20 / 503-514

2

N. Venkaiah and M. S. Shunmugam, Evaluation of Form Data using Computational Geometric Techniques, Part I: Circularity Error

Int. J. Mach. Tools and Manufacture

2007 / 47 (7-8) / 1229-1236

3

N. Venkaiah and M. S. Shunmugam, Evaluation of Form Data using Computational Geometric Techniques, Part II: Cylindricity Error

Int. J. Mach. Tools and Manufacture

2007 / 47 (7-8) / 1237-1245

4

M. S. Shunmugam and N. Venkaiah, Establishing Circle and Circular-Cylinder References using Computational Geometric Techniques

Int. J. Advanced Manufacturing Technology

2010 / 51 / 261-275

5

M. S. Shunmugam and N. Venkaiah, Influence of Eccentricity and Axis Tilt on Circularity and Cylindricity Assessments

Int. J. Precision Technology,

2010 / 1 (3/4) / 234-250

6

A. Varun and N. Venkaiah, Grey Relational Analysis coupled with Firefly Algorithm for Multi-objective Optimization of Wire Electric Discharge Machining

Journal of Engineering Manufacture

2015 / 229 (8) / 1385-1394

7

A. Varun and N. Venkaiah, Simultaneous optimization of WEDM responses using grey relational analysis coupled with genetic algorithm

Int. J. Advanced Manufacturing Technology

2015 / 76 (1-4) / 675-690,

8

M. Sreenivasa Rao and N. Venkaiah, Review on Wire-Cut EDM Process

Int. J. Advanced Trends in Computer Science and Engineering

2013 / 2 (6) / 12-17

9

Sreenivasa Rao M, Venkaiah N, Parametric optimization in machining of Nimonic-263 alloy using RSM and particle swarm optimization

Elsevier: Procedia Material Science

2015 / 10 / 70 -79

10

Md. karim Baig, N. Venkaiah,

Parametric optimization of WEDM for Hastelloy C276, using GRA method

International Journal Of Engineering Development And Research

2014 / 1  (2) / 1-7

11

Sreenivasa Rao M, Venkaiah N, Application of differential evolution algorithm for parametric optimization of WEDM while machining Nimonic -263 alloy

International Journal of Advancements in Mechanical and Aeronautical Engineering

2015 / 2 / 57 - 61

12

Sreenivasa Rao M, Venkaiah N, Modeling of circularity error while machining Inconel-690 using WEDM

International Journal of Applied Engineering Research (IJAER).

2016 /11 (6) / 3999-4006

 

13

Sreenivasa Rao M, Venkaiah N, A modified cuckoo search algorithm to optimize Wire-EDM process while machining Inconel-690

Journal of the Brazilian Society of Mechanical Sciences and Engineering

 

DOI: 10.1007/s40430-016-0568-9

 

14

Sreenivasa Rao M, Venkaiah N, Experimental investigations on surface integrity issues of Inconel-690 during WEDM process

Journal of Engineering Manufacture.

Accepted

 

Conferences

S. No.

Title and the Authors of the paper

Name of the Conference

National/ International

Year and Place

1

N. Venkaiah and

M. S. Shunmugam, Minimum zone evaluation of circularity error

All India Seminar/Conference on Advances in Mechanical Engineering

National

2004, A10-A12.

Tirupati, India

2

N. Venkaiah and

M. S. Shunmugam, Minimum zone evaluation of spatial straightness

21st AIMTDR Conference

National

2004, 317-321.

Vellore, India

3

A. Varun, N. Venkaiah, B. Kotiveerachari, Single Discharge Analysis of Electric Discharge Turning

4th International Conference on Advances in Mechanical Engineering,

International

2010, 579-583, S.V.NIT, Surat, Gujarat, India

4

N. Venkaiah and N. Srinagalakshmi, Squareness Evaluation using Computational Geometric Approach

World Congress on Engineering

International

2011, Vol. III, 2218-2220.

London, U. K.

5

A. Varun, N. Venkaiah, B. Kotiveerachari, Multi-Objective Optimization of Powder Mixed EDM

4th International & 25th All India Manufacturing Technology, Design and Research Conference (AIMTDR 2012)

International

2012, Vol. I, 453-459

Jadavpur University, Kolkata, India 

6

A. Varun, N. Venkaiah, B. Kotiveerachari, Gray Relational Analysis Coupled with Genetic Algorithm for Multi Objective Optimization of Wire-EDM

4th International & 25th All India Manufacturing Technology, Design and Research Conference (AIMTDR 2012)

International

2012, Keynotes and Abstracts Volume, 56

Jadavpur University, Kolkata, India

7

N. Venkaiah and D. S. Srinivasu, Probabilistic Search Approach For Circularity Evaluation

Int. Colloquium on Materials, Manufacturing and Metrology

International

2014, 369-370.

IIT Madras, India

8

N. Vishwanath and N. Venkaiah, A Review on Tool Wear in Friction Stir Welding

Recent Advances In Materials And Manufacturing (RAMM)

National

2015, 109-112, SSN, Chennai

PHDs Supervised

 

S. No.

Name of the Candidate

Thesis title

Year of award

1

Varun A

Single-Discharge Analysis and Multi Objective Optimization of Wire-EDM using Grey Relational Analysis coupled with Genetic and Firefly Algorithms

2015

2

Sreenivasa Rao, M

Development of Modified Cuckoo Search Algorithm to Optimize WEDM Process and Prediction of Geometrical Errors and Surface Integrity while Machining Nickel Based Super Alloys

2016

3

Sarat Chandra, D

Additive Manufacturing

Ongoing

Workshops/Conferences

 

S. No

Topic

Funding Agency

Period

1

3-day workshop on Precision Manufacturing and Measurements: Current Trends and Challenges

TEQIP Phase-II

May 18- 20, 2012

2

3-day workshop on Modeling, Analysis and Control of Mechatronic Systems

TEQIP Phase-II

July 2729, 2012

3

5-Day Short-Term Course on Essential Techniques for Research Problems in Manufacturing and Measurements

Self-Financed

July 8-12, 2013

4

National Workshop on Advanced Materials and Machining

TEQIP Phase-II

October 31st November 2nd, 2013

Projecrs

 

S. No.

Project Title

Sponsor

Value

(Rs. Lacs)

Status

Role

1

Experimental Studies on Wire -EDM

(Predictive Models)

DST

21.10

Completed

(2013-16)

Principal Investigator

2

Mechatronics Web based pedagogy project

(To provide roadmap for the course)

MHRD

10

On-going

(2012)

Co-Developer

3

FIST

(Advanced machining lab)

DST

220

On-going

(2014)

Co-PI

4

Design and Development of Material Extrusion AM System

(Analytical models)

IMPRINT, India

153

Submitted for review

Principal Investigator 

5

Design and Development of Customized Implant for Oral & Maxillofacial Surgery using Selective Laser Melting

(Streamlining medical implants)

IMPRINT, India

352

Submitted for review

Co-PI

Awards and Honors

 

Additional Responsibility

 Department Level

  1. I/c of Precision Metrology laboratory, from March 2011 to 2014
  2. Coordinator for M. Tech. Manufacturing Engineering, from June 2011 to 2014
  3. Member, Department Space Committee, from March 2013 to till date
  4. Programme Coordinator for M. Tech. (Additive Manufacturing) from July 2014 to till date

Institute Level

  1. Department Representative for IT Services Coordination Committee (ITSCC), from Oct. 2011 to 2014
  2. Hostel warden from July, 2012 to June, 2014 (2 Years)