Dr.A Gopala Krishna
professor| Department | : | Mechanical Engineering |
| Qualification | : | Ph.D |
| Phone(Office) | : | 0884- 2300854 |
| Mobile | : | 8008652555 |
| : | dr.a.gopalakrishna@gmail.com | |
| Date of Birth | : | |
| Subjects Taught | : | |
| Research Area | : | Manufacturing, Optimization, Nano materials, Simulation |
| Teaching Experience | : | 19 years |
| Research Experience | : | |
| Industry/Professional Experience | : |
INTERNATIONAL JOURNALS
1. Dola Sundeep, A. Gopala Krishna, R. V. S. S. N. Ravikumar, T. Vijaya Kumar, S. Daniel Ephraim, Y. L. Pavan, Spectral characterization of mechanically synthesized MoO3-CuO nanocomposite, Int Nano Lett, Springer, DOI 10.1007/s40089-015-0178-z, 2015, in print.
2. C. Govinda Rajulu, A Gopala Krishna and Thella Babu Rao, An integrated evolutionary approach for simultaneous optimization of laser weld bead characteristics, Proc IMechE Part B: J Engineering Manufacture 1–16, 2016.
3. R.L. Krupakaran, T. Hariprasasd, A. Gopalakrishna & Pejjai Babu The performance and exhaust emissions investigation of a diesel engine using γ-Al2O3 nanoparticle additives to biodiesel, Carbon Management, DOI: 10.1080/17583004.2016.1218713, 2016.Taylor & Francis.
4. P. Philomen-D-Anand Raj, K. Palaniradja and A. Gopala Krishna, Friction and wear behavior of steam-oxidized ferrous PM compacts, Journal of Mechanical Science and Technology 30 (10) (2016) 4535-4541, Springer
5. Philomen-D-Anand Raj Perianayagam, Palaniradja Kichenaradjao, GopalaKrishna Alluru, Sintering Studies on Iron- Carbon- Copper Compacts, Science of Sintering, 48 (2016) 237-246
6. D. V. S. S. S. V. Prasad, A. Gopala Krishna, Empirical modeling and optimization of kerf and wire wear ratio in wire electrical discharge machining, International Journal of Advanced Manufacturing Technology, March 2015, Volume 77, Issue 1, pp 427-441
7. Thella Babu Rao, A. Gopala Krishna, Ramesh Kumar Katta, Konjeti Rama Krishna, Modeling and multi-response optimization of machining performance while turning hardened steel with self-propelled rotary tool, Advances in Manufacturing, March 2015, Volume 3, Issue 1, pp 84-95
8. P Govinda Rao, P Srinivasa Rao, A Gopala Krishna, Mechanical properties improvement of weldments using vibratory welding system, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture May, 2014.
9. P Govinda Rao, P Srinivasa Rao, A Gopala Krishna, A smart prediction tool for estimating the impact strength of welded joints prepared by vibratory welding process, Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, March,2015.
10. Rao, P. G., Rao, P. S., & Krishna, A. G. Evaluation of Bending Strength of the Vibratory Welded Joint Using Regression Technique. International Society of Offshore and Polar Engineers, 2015, September, Volume 25, Issue 03.
11. Rajesh Siriyala , A. Gopala Krishna , P. Rama Murthy Raju , M. Duraiselvam, Multi-response optimization of tribological characteristics of aluminum MMCs using PCA, Multidiscipline Modeling in Materials and Structures 2014 10:2 , 276-287
12. Thella Babu Rao , A. Gopala Krishna, Simultaneous optimization of multiple performance characteristics in WEDM for machining ZC63/SiCp MMC, Advances in Manufacturing, September 2013, Volume 1, Issue 3, pp 265-275
13. Thella Babu Rao, , A. Gopala Krishna, Selection of optimal process parameters in WEDM while machining Al7075/SiCp metal matrix composites, The International Journal of Advanced Manufacturing Technology, July 2014, Volume 73, Issue 1, pp 299-314
14. U Shrinivas Balaraju, A.Gopala Krishna, Performance analysis of Electric Discharge Machining of RENE 80 Nickel Super Alloy using various statistical tools, International Journal of Machining and Machinability of Materials, 2014 Vol. 15 No. 3/4
15. Balraj, U. S., & Krishna, A. G. (2014). Multi-Objective Optimization of EDM Process Parameters using Taguchi Method, Principal Component Analysis and Grey Relational Analysis. International Journal of Manufacturing, Materials, and Mechanical Engineering, 4(2), 29-46.
16. Rajesh, S., Krishna, A. G., Raju, P. R., & Duraiselvam, M. (2013). Statistical Modeling and Analysis of Dry Sliding Wear of SiC Reinforced Aluminum MMCs. International Journal of Surface Engineering and Interdisciplinary Materials Science (IJSEIMS), 1(1), 57-70. doi:10.4018/ijseims.2013010105
17. Rao, P Govinda; Rao, P Srinivasa; Krishna, A Gopala. Impact strength improvement of butt welded joints prepared by vibratory welding process, Journal of Manufacturing Technology Research 6.3/4 (2014): 143-151.
18. Rao, P. G., Rao, P. S., & Krishna, A. G. (2015). Flexural Strength Improvement of Welded Joints Prepared by Vibratory Welding Process. International Journal of Manufacturing, Materials, and Mechanical Engineering, 5(4), 1-16.
19. Rao, P Govinda; Rao, P Srinivasa; Krishna, A Gopala. Review on residual stresses in welded joints prepared under the influence of mechanical vibrations, Journal of Manufacturing Technology Research 6.1/2 (2014): 33-40.
20. Thella Babu Rao, A. Gopala Krishna, Principal Component Analysis of Correlated WEDM Performance Characteristics during Machining ZC63/SiCP MMCs, Journal for Manufacturing Science and Production. Volume 14, Issue 1, Pages 13–21, January 2014
21. U. S. Balraj, P. Anitha, A. Gopalakrishna, A Study on White Layer Thickness and Surface Crack Density in Rotary EDM of RENE80 Nickel Superalloy, Applied Mechanics and Materials, Vols. 592-594, pp. 23-27, Jul. 2014.
22. D.Kondayya, A.Gopala Krishna, An integrated evolutionary approach for modeling and optimization of CNC end milling process, International Journal of Computer Integrated Manufacturing, Taylor & Francis Publishers, Volume 25, Issue 11, 2012
23. Rajesh. S, A.Gopala Krishna, Rama Murthy Raju. P, Duraiselvam. M, Application of Grey-Taguchi Method for Optimization of Dry Sliding Wear Properties of Aluminum MMCs, Frontiers of Mechanical Engineering, September 2012, Volume 7, Issue 3, pp 279-287, Springer-Verlag publishers.
24. Thella Babu Rao, A. Gopala Krishna, Principal Component Analysis of Correlated WEDM Performance Characteristics during Machining ZC63/SiCp MMCs, Journal of Manufacturing Science and Production, Volume 14, Issue 1, 2014.
25. Thella Babu Rao, A. Gopala Krishna, Simultaneous optimization of multiple performance characteristics in WEDM for machining ZC63/SiCp MMC, Advances in Manufacturing, September 2013, Volume 1, Issue 3, pp 265-275.
26. Lakshmi Chaitanya, M., Gopala Krishna, A., Modeling and Optimization of Cutting Qualities of Laser Beam Machining, Int. J. of Mechanical Computational and Manufacturing Research, Vol.2. No.2, (2013) 39 – 53, ISSN: 2301-4148.
27. D.Kondayya, A.Gopala Krishna, An integrated evolutionary approach for modeling and optimization of wire electrical discharge machining, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture April 2011vol. 225 no. 4 549-567
28. Lakshmi Chaitanya, M., Gopala Krishna, A., “Multi-objective Optimization of Laser beam cutting process”, International Journal of Research in Mechanical Engineering and Technology, IJRMET Vol. 3, Issue 2, May - Oct 2013, International Journal of Research in Mechanical Engineering & Technology 279.
29. A. Gopala Krishna, K. Mallikarjuna Rao, Multi-objective optimization of surface grinding operations using scatter search, International Journal of Advanced Manufacturing Technology, Vol 29, 5-6, Sept, 2006, Springer-Verlag Publishers.
30. A. Gopala Krishna, K. Mallikarjuna Rao, Simultaneous optimal selection of design and manufacturing tolerances with different stack-up conditions using scatter search, International Journal of Advanced Manufacturing Technology , Vol 30, 3-4, Sept, 2006, Springer-Verlag Publishers.
31. A. Gopala Krishna, K. Mallikarjuna Rao, Optimization of operations sequence in CAPP using an ACA, International Journal of Advanced Manufacturing Technology, Vol 29, 1-2, May 2006, Springer-Verlag Publishers.
32. A. Gopala Krishna, Selection of optimal conditions in the surface grinding process using a differential evolution approach, Proceedings of Institution of Mechanical Engineering (International), Part-B, Journal of Engineering Manufacture, Vol 221, 7, 2007, SAGE Publishers.
33. A. Gopala Krishna, K. Mallikarjuna Rao, Optimal allocation of index positions on tool magazines using an ACA, International Journal of Advanced Manufacturing Technology, Vol 30, 7-8, Oct, 2006, Springer-Verlag Publishers.
34. M. Lakshmana Rao, T.V.L. Narasimha Rao , A. Gopala Krishna, A study of experimental and simulation approaches for flow forming of circular Aluminum tube (2219), Journal of Manufacturing Engineering, Vol 3, issue 1, 2008.
35. A. Gopala Krishna, K. Mallikarjuna Rao, Optimization of machining parameters for milling operations using scatter search approach, International Journal of Advanced Manufacturing Technology, Vol 31, 3-4, Nov, 2006, Springer-Verlag Publishers.
36. M. Lakshmana Rao, T.V.L. Narasimha Rao , A. Gopala Krishna, A comparative study of experimental and simulation approaches for flow forming of circular Aluminum tube (2219), Journal of Manufacturing Engineering, Vol 3, issue 1, 2008.
37. D.V.S.S.S.V. Prasad, A.Gopala Krishna, Empirical modeling and optimization of Wire electro discharge machining, International Journal of Advanced Manufacturing Technology, Volume 43, Numbers 9-10, 914-925, 2009, Springer-Verlag Publishers.
38. Bhavani Sankar, K.M.Rao, A.Gopala Krishna Investigation of yield strength of steel bars produced by Tempcore process by using RS methodology and ANN, Journal of Manufacturing Engineering, Vol 4, No 2, 2009.
39. Bhavani Sankar, K.M. Rao, A.Gopala Krishna, Prediction of hear transfer coefficient of steel bars subjected to Tempcore process using nonlinear modeling, International Journal of Advanced Manufacturing Technology, 2009, Springer-Verlag Publishers.
40. M. Lakshmana Rao, T.V.L. Narasimha Rao, A. Gopala Krishna, A study on influence of flow forming parameters in manufacture of Cu tubes, Journal of Manufacturing Engineering, in press.
41. D.Kondayya, A.Gopala Krishna, An integrated evolutionary approach for modeling and optimization of laser beam cutting process, International Journal of Advanced Manufacturing Technology, in print, Springer-Verlag Publishers.
42. G. Kalyan Chakravarthy, K. Srinivasa Reddy, A.Gopala Krishna, Assessment of alcohol in a four stroke D.I. diesel engine using surface ignition technique, Technology World, March 2010
43. A.Gopala Krishna, E. Venu Gopal Goud, C.Govinda Rajulu, Selection of optimal sequence of machining operations in CAPP, Journal of Manufacturing Engineering, Vol 2, issue 4, 2007.
44. M.Janardhan, A.Gopala Krishna, Experimental investigation and development of empirical correlations of machining parameters for cylindrical grinding process, International journal of emerging technologies and applications in engineering, technology and sciences, volume 3, issue 2, July-Dec 2010
45. M.Janardhan, A.Gopala Krishna, Determination and optimization of cylindrical grinding parameters using Taguchi method and regression analysis, International journal of engineering science and technology, July 2011.
46. G.Harinath Gowd, A.Gopala Krishna, Empirical modeling of bead geometry and optimization in Laser beam welding, International journal of engineering research and industrial applications, Vol.4 No.III, 427-544, August 2011.
47. E.Venu Gopal Goud, A.Gopala Krishna, D.V.S.S.V Prasad, Multi-objective optimization of a machining process, International journal of engineering research and industrial applications, Vol.3 No.IV, 227-242,Oct 2011.
48. D. Kondayya and A. Gopala Krishna, An integrated evolutionary approach for modeling and optimization of wire electrical discharge machining”, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 2011 225: 549, DOI: 10.1243/09544054JEM1975, in press. SAGE Publishers.
49. M. Janardhan, A. Gopala Krishna and D.V.S.S.S.S.V. Prasad, Modeling and Optimization of Surface Grinding Process Parameters Using Non-dominated Sorting Genetic Algorithm(NSGA), International Journal of Manufacturing Science and Technology 5(2) December 2011; pp. 117-133, Serials Publications.
50. M.Lakshmana Rao, A.Gopala Krishna and T.V.L.N. Rao, A study on material properties of low carbon alloy steel by flow forming, Journal of Manufacturing Engineering, 2010.
51. Lakshmana Rao M, Gopala Krishna A and Rao T V L N, Study on material properties of AISI (1010) by flow forming, Journal of Manufacturing Engineering, March 2011, Vol. 6, Issue 1, pp 10-13.
52. M.Sreenivasa Rao, A.Gopala Krishna and D.Kondayya, Empirical modeling for surface roughness of turning using a recently emerged evolutionary approach, Journal of Manufacturing engineering,SME,Vol-3,Issue-3, pp 185-191, Sept-2008.
53. Govindarao P, Srinivasarao P, Gopala Krishna A, Sarkar M.M.M, Effect of Vibratory Welding Process to Improve the Mechanical Properties of Butt Welded Joints, International Journal of Modern Engineering Research. Vol.2, Issue.4, July-Aug 2012 pp-2766-2770
54. Thella Babu Rao and A. Gopala Krishna, (2013) Compliance modeling and intelligent optimization of kerf during WEDM of Al7075/SiCP metal matrix composite, Journal of Manufacturing Engineering, Vol. 8, Issue. 2, pp 127-138.
55. Thella Babu Rao and A. Gopala Krishna, (2013) A Generic Framework for Modeling and Optimization of White Layer Thickness in WEDM during Machining Al7075/SiCP Metal Matrix Composites, International Journal of Mechanical Computational and Manufacturing Research, Vol. 2, No.1, pp 13–27, ISSN: 2301-4148.
NATIONAL JOURNALS
1. A.Gopala Krishna, A global optimization approach to select optimal machining parameters of multi-pass face-milling, Institution of Engineers, Journal of Production Engineering, Vol 88, September 2007.
2. A.Gopala Krishna, Optimal selection of machining parameters in multi-tool drilling, February 2006, Journal of Manufacturing Technology Today, CMTI, Bangalore.
3. A.Gopala Krishna, Selection of optimal sequence of cutting tool positions on CNC magazines, July 2007, Journal of Manufacturing Technology Today, CMTI, Bangalore.
4. A.Gopala Krishna Optimization of job-shop scheduling using non-traditional optimization techniques, Journal of the Indian Institution of Industrial Engineering, September 2005.
5. A.Gopala Krishna, A global optimization approach to select design and manufacturing tolerances of mechanical assembly, Journal of Manufacturing Technology Today, CMTI, Bangalore, March 2007.
6. I.B.Sankar, K M Rao, A.Gopala Krishna, Optimization of steel bars subjected to Tempcore process using regression analysis and Harmony search algorithm, Journal of Scientific and Industrial Research, Vol 69, April 2010, pp 266-270.
7. A.Gopala Krishna , Optimization of multi-pass turning operations, Journal of Manufacturing Technology Today, CMTI, Bangalore, June 2007.
8. M. LakshmanaRao, A. Gopala Krishna and T. V. L. N. Rao, An experimental investigation into the flow forming of circular aluminum tube (2219), Metals Materials And Processes, 2008, Vol. 20, No. 4
9. A.Gopala Krishna, Optimization of operations sequence in CAPP, Journal of Manufacturing Technology Today, CMTI, Bangalore, April 2007.
10. S. Vijay, J. L. Lalitha, M.V.Rao, A.Gopala Krishna, Geometry based volume reduction of support material for rapid prototyping processes, Journal of Manufacturing Technology Today, CMTI, Bangalore, Vol.10, Issue 4, April 2011.
| Workshops/Courses Attended | : | NATIONAL CONFERENCES/WORKSHOPS/EXPERT LECTURES 1. Keynote lecture delivered at “Computational Research using Matlab” Ramachandra College of Engineering, Eluru, 10th November 2016. 2. Keynote lecture delivered at “Research potential and scope in Mechanical Engineering”, 27th September 2016 at Aditya Institute of technology and Management, Tekkali. 3. Delivered expert lecture in the workshop “Research Methodology and Technical paper writing” on 26-27 February 2016 Sree Vidyanikethan Engineering College,Tirupati. 4. A. Gopala Krishna, R.V.S.S.N Ravikumar T. Vijaya Kumar, S. Daniel Ephraim, B. Ranjith, M. Pranoy and Sundeep Dola, Investigation and Comparison of Optical and Raman Bands of Mechanically Synthesised MoO3 Nano Powders, Elsevier, Materials Today: Proceedings, National Conference on Emerging Trends of Advanced Functional Materials, Materials Today: Proceedings 3 ( 2016 ) 54 – 63. 5. R.V.S.S.N Ravikumar, Dola Sundeep, A.Gopala Krishna,S.Daniel Ephraim, Md Abid Ali, Sk Irfan Ahmed, K.S.Manikanta and T.Vijaya Kumar, Spectral Investigation of Structural and Optical Properties of Mechanically Synthesized TiO2-V2O5 Nanocomposite Powders, Elsevier, National Conference on Emerging Trends of Advanced Functional Materials Materials Today: Proceedings 3 ( 2016 ) 31 – 38. 6. U. Shrinivas Balraj and A. Gopala Krishna, “A Study on Response Surface Methodology-An Empirical Modeling Tool”, in National conference "TIME-10" at KITS, Warangal, 30th Dec.2010, pp.91-98 7. A. Gopala Krishna, Tool Design and its Applications, March 2009, Department of Mechanical Engineering, AU College of Engineering, Andhra University, Waltair, Vizag, A.P. 8. Baburao Thella, A. Gopala Krishna, Graph Theory and Matrix Approach and Topsis for Selection of Best Manufacturing Process, Proceedings of the National Conference on Emerging Trends in Mechanical Engineering, Organized by Department of Mechanical Engineering Sreenidhi Institute of Science & Technology, Hyderbad, July 1-2,2009 9. A. Gopala Krishna,Rendering algorithms for polygons, Conference on Recent trends in CAD/CAM, March 2002, Department of Mechanical Engineering, JNTU College of Engineering, Kakinada, A.P. 10. V.V.Subba Rao, Jagadesh, L.Vinod Babu, A.Gopala Krishna, Stacking sequence design of composite laminates for maximum strength using genetic algorithms, Conference on Technological advancements in Mechanical Engineering, Srinidhi institute of technology, Hyderabad, A.P 2nd and 3rd December 2005 . 11. A.Gopala Krishna, Rapid prototyping – An emerging technology for Rapid product development, Seminar on Recent trends in Mechanical and Industrial Engineering, G.Pulla Reddy Engineering College, Kurnool, December 2002. 12. K.Mallikarjuna Rao, A. Gopala Krishna, N.P.S.Krishna Madav, Development of a software package for CAD/CAM-Display aspects, Conference on Recent trends in CAD/CAM, March 2002, Department of Mechanical Engineering, JNTU College of Engineering, Kakinada, A.P. 13. D.Kondayya, A. Gopala Krishna, Prediction of Submerged Arc Weld Bead Geometry Using Multi-Layer Back Propagation Neural Networks, Proceedings of the National Conference on Emerging Trends in Mechanical Engineering, Organized by Department of Mechanical Engineering, Sreenidhi Institute of Science & Technology, Hyderabad, July 1-2,2009 14. A.Gopala Krishna, M.T.Naik, Application of Genetic algorithms for Linear programming problems, Seminar on Recent trends in Mechanical and Industrial Engineering, G.Pulla Reddy Engineering College, Kurnool, December 2002. 15. M.T.Naik, J.Suresh Kumar, A.Gopala Krishna, Design and thermal analysis of a pipe, Seminar on Recent trends in Mechanical and Industrial Engineering, G.Pulla Reddy Engineering College, Kurnool, December 2002. 16. A.Gopala Krishna, A global optimization approach to synthesis of planar mechanisms, Workshop on Genetic algorithms and Applications, JNTU College of Engineering, Kakinada, July 2006. 17. A.Gopala Krishna, Optimization of design and manufacturing tolerances of Mechanical assemblies, Workshop on Genetic algorithms and Applications, JNTU College of Engineering, Kakinada, July 2006. 18. A.Gopala Krishna, Determination of optimal sequence of manufacturing operations in computer aided process planning, Modern Manufacturing Technology, Naval Science and Technological Laboratory (NSTL), Vizag, July 2007. 19. A.Gopala Krishna, Selection of optimal sequence of cutting tool positions on CNC magazines, Workshop on Genetic algorithms and Applications, JNTU College of Engineering, Kakinada, July 2006. 20. A. Gopala Krishna, G. Harinath Gowd, D.Kondayya, Optimization of Computer Aided Process Planning Using and Evolutionary Method, Proceedings of the National Conference on Emerging Trends in Mechanical Engineering, Organized by Department of Mechanical Engineering Sreenidhi Institute of Science & Technology, Hyderabad, July 1-2,2009 21. A.Gopala Krishna, Determination of optimal machining parameters, Workshop on Genetic algorithms and Applications, JNTU College of Engineering, Kakinada, July 2006. 22. R. Sundara Ramam, A. Gopala Krishna, D.Kondayya, Finite Element Analysis of Involute Gear Tooth for Minimization of Bending Stress, Proceedings of the National Conference on Emerging Trends in Mechanical Engineering, Organized by Department of Mechanical Engineering Sreenidhi Institute of Science & Technology, Hyderabad, July 1-2, 2009 23. A.Gopala Krishna , Optimal selection of manufacturing operations sequence, Workshop on Genetic algorithms and Applications, JNTU College of Engineering, Kakinada, July 2006. 24. Babu Rao Thella, A. Gopala Krishna, D. Kondayya, Selection of Ceramic Particulate Reinforcements for an Industrial Application Using GTMA and AHP, Proceedings of the National Conference on Emerging Trends in Mechanical Engineering, Organized by Department of Mechanical Engineering Sreenidhi Institute of Science & Technology, Hyderabad, July 1-2, 2009. |
| Book Chapters/Books Authored | : | 1.Reviewed a couple of books published by Tata McGraw Hill and Oxford University Press 2.Co-authored a book on “Spectroscopic Investigations of MoO3/CuO Nanocomposites: Mechanical Synthesis, Spectroscopic Characterization and Thermal Analysis” published by Scholars Press, International publisher. |
| Conferences | : | INTERNATIONAL CONFERENCES 1. Balraj, U. Shrinivas, and A. Gopala Krishna. "Grey Based Taguchi Method for Optimization of Rotary Electrical Discharge Machining Process." Advance Research and Innovations in Mechanical, Material Science, Industrial Engineering and Management - ICARMMIEM-2014, ISBN 978-93-82338-97-0, 2014 Bonfring. 2. S. Rajesh , A. Gopala Krishna, P. Rama Murty Raju, M. Duraiselvam, Statistical Analysis of Dry Sliding Wear Behavior of Graphite Reinforced Aluminum MMCs, Procedia Materials Science, Volume 6, 2014, Pages 1110–1120,3rd International Conference on Materials Processing and Characterisation (ICMPC 2014) 3. U. Shrinivas Balraj, A. Kumar and A. Gopala Krishna, “Some studies on Electrical Discharge Machining of RENE80 Nickel Super Alloy”, in 4th International & 25th AIMTDR conference on Innovation for sustainable manufacturing,14-16th Dec. 2012., pp 447-452 4. U. Shrinivas Balraj, A. Gopala Krishna and A. Kumar, “Performance analysis of Electric Discharge Machining of RENE 80 Nickel Super Alloy using various statistical tools”, 2nd international conference on advanced manufacturing and automation (INCAMA- 2013), Kalasalingam university, Krishnakoil, 28-30th March, 2013, pp.532-538 5. U. Shrinivas Balraj, A. Gopala Krishna and A. Kumar, “Optimization of Electric Discharge Machining of RENE 80 Nickel Super Alloy using Taguchi Method”, in international conference ICAMB-2012, at VIT University, Vellore., 9-12 Jan.2012, pp.391-396 6. U. Shrinivas Balraj, and A. Gopala Krishna, “Grey based Taguchi method for optimization of rotary electrical discharge machining process”, 1st international conference on Advance Research and Innovations in Mechanical, Material Science, Industrial Engineering and Management - ICARMMIEM-2014, Christu Jyothi Institute of Technology and Science, Jangaon , 28-29 January, 2014, pp.6-11 7. U. Shrinivas Balraj and A. Gopala Krishna, “Mathematical modeling of Electric Discharge Machining process parameters using Response Surface Methodology”, in international conference ICMPC-2012, Gokaraju Rangaraju Institute of Engineering and Technology, 10-11th March 2012, pp.235-242 8. A. Gopala Krishna, Venkata Sairamarao. S, Finite Element Analysis of a Butt Joint using SYSWELD, International Conference on Computational Methods in Manufacturing (ICCMM), Accepted for publication, to be held on Dec 15 &16, 2011 at Department of Mechanical Engineering, Indian Institute of Technology Guwahati, India. 9. Ravi Pullepudi, A.Gopala Krishna, K. Ramesh Kumar, Numerical Simulation of A Metal Flow Forming Process, Accepted for publication, to be held on Dec 15 &16, 2011 at Department of Mechanical Engineering, Indian Institute of Technology Guwahati, India. 10. Thella Babu Rao, A. Gopala Krishna, Modeling of Temperature Distribution and Tool Wear during Drilling Ti-6Al-4V Alloy Using FEA and RSM, Accepted for publication, to be held on Dec 15 &16, 2011 at Department of Mechanical Engineering, Indian Institute of Technology Guwahati, India. 11. Thella Babu Rao, A. Gopala Krishna, An Evolutionary based Multi-Objective Modeling and Optimization of Hard Turning, Accepted for publication, to be held on Dec 15 &16, 2011 at Department of Mechanical Engineering, Indian Institute of Technology Guwahati, India. 12. D. Kondayya, D.V.S.S.S.V.Prasad, A. Gopala Krishna, Multi-response optimization of wire EDM using Desirability Function Approach and Grey Relational Analysis, Accepted for publication, to be held on Dec 15 &16, 2011 at Department of Mechanical Engineering, Indian Institute of Technology Guwahati, India. 13. Rajesh. S, A. Gopala Krishna, Effect of Reinforcement of Graphite Particles on Mechanical Properties of Aluminum MMC, Accepted for publication, to be held on Dec 15 &16, 2011 at Department of Mechanical Engineering, Indian Institute of Technology Guwahati, India. 14. A. Gopala Krishna, E.Venu Gopal Goud, Optimizing sequence of operations in CAPP, INAE-DAE International Conference on Advances in Manufacturing Technology, February 6-8, 2008, held in IIT Madras, Chennai, India. 15. A.Gopala Krishna, Optimization of operations sequence in CAPP, Proceedings of International Conference on Advances in Manufacturing Engineering, Manipal Institute of Technology, Manipal, India, October 24-26, 2007. 16. D.V.S.S.S.V. Prasad, A.Gopala Krishna, Optimization of WEDM based on grey relational approach, International conference on Modeling and Simulation, Dec 2009, NIT Calicut, India 17. Thella Babu Rao, A. Gopala Krishna, Modeling of Temperature distribution in Turning of AISI 1045 steel using FEA and RSM, All India Machine Tool Design and Research (AIMTDR), International conference held from 13th to 15th Dec 2010 in the Dept. of Mechanical Engineering, Andhra University, Vizag, India. 18. B Dhatreyi , R Velmurugan, G Raja Singh, Thangadurai, A Gopala Krishna, Non-linear analysis of rectangular cross-section thin walled structures subjected to elasto-plastic torsional loading, Proceedings of the International Conference on Computer Aided Engineering Department of Mechanical Engineering, IIT Madras, Chennai, India, 13-15 December 2007. 19. D.V.S.S.S.V. Prasad, A.Gopala Krishna, Response surface modeling and optimization of Wire-cut EDM process, INAE-DAE International Conference on Advances in Manufacturing Technology, February 6-8, 2008, IIT Madras, Chennai, India. 20. M.Sreenivasa Rao, A.Gopala Krishna, Multi-objective optimization of Face-milling, Proceedings of International Conference on Advances in Manufacturing Engineering, Manipal Institute of Technology, Manipal, India, October 24-26, 2007. 21. D.V.S.S.S.V. Prasad, A.Gopala Krishna, An integrated approach for optimization of Wire-cut EDM using RSM and NSGA, Proceedings of International Conference on Recent trends in Mechanical Engineering(ICRTME-2007), Ujjain Engineering College, Ujjain, India, October 4-6, 2007. 22. D. Kondayya and A. Gopala Krishna,”Empirical modeling and Optimization of Submerged Arc Welding Process”, Proceedings of International Conference on Advances in Manufacturing Engineering, Manipal Institute of Technology(MIT),Manipal, India, October 24-26, 2007. 23. D. Kondayya and A. Gopala Krishna,”An Evolutionary Approach for Process Modeling and Optimization of Submerged Arc Welding Process”, Proceedings of International Conference on Advanced Manufacturing Technologies, CMERI, Durgapur, 29-30th November 2007. 24. M.Sreenivasa Rao, A.Gopala Krishna, D.Kondayya, “Prediction of Surface Roughness of a Machining Process using an Evolutionary Approach”, INAE-DAE International Conference on Advances in Manufacturing Technology (ICAMT 2008), February 6-8, 2008 I.C. & S.R. Auditorium, IIT Madras, Chennai, India. 25. D. Kondayya and A. Gopala Krishna, ” Selection Of Optimum Conditions For Minimizing Weld Bead Volume With Bead Process Parameters As Constraints in Submerged Arc Welding, International conference on Recent Advances in Materials Processing and Characterization (RAM-2008), Siddhartha Engineering College, Vijayawada, A.P, 3-4 July 2008. 26. D.V.S.S.S.V. Prasad, A.Gopala Krishna, Multi-objective optimization of Wire-cut EDM, Proceedings of International Conference on Advanced Manufacturing Technologies, CMERI, Durgapur, 29-30th November 2007. 27. D.V.S.S.S.V. Prasad, A.Gopala Krishna, Empirical modeling and optimization of wire-cut EDM process, Manipal Institute of Technology, Manipal, India, October 24-26, 2007. 28. M. Lakshmana Rao, T.V.L. Narasimha Rao , A.Gopala Krishna A Study on Effect of Process Parameters on Flow Forming, Proceedings of International Conference on Advances in Manufacturing Engineering, Manipal Institute of Technology, Manipal, India, October 24-26, 2007. 29. M. Janardhan, A.Gopala Krishna, Application of Response Surface Methodology for Experimental Investigation of Machining Parameters on Metal Removal Rate in Surface Grinding Process, International conference on Recent Advances in Materials Processing and Characterization (RAM-2008), Siddhartha Engineering College, Vijayawada, A.P, 3-4 July 2008. 30. M. Janardhan, A.Gopala Krishna, Surface roughness prediction in the grinding process by factorial design of experiments and Response surface methodology, International conference on Total Engineering, Analysis & Manufacturing Technologies,TEAM TECH Conference held at IISc, Bangalore during 22nd to 24th Sept 2008. 31. M.Lakshmana Rao, T.V.L.N.Rao & A.Gopala Krishna, A Study on Influence of Flow Forming Parameters of Cu Tubes, 2nd International Conference on Recent Advances in Material Processing Technology, February 25-27, 2009, National Engineering College, Kovilapatti, Tamilnadu, India 32. D. Kondayya, A. Gopala Krishna, Application of Genetic Programming for Prediction of Weld bead geometry in Submerged Arc Welding Process, Proceedings of International Conference on Recent trends in Mechanical Engineering (ICRTME-2007), Ujjain Engineering College, Ujjain, India, October 4-6, 2007. 33. Thella Babu Rao, A. Gopala Krishna, Empirical Modeling and Optimization of Electro-Chemical Machining, All India Machine Tool Design and Research (AIMTDR), accepted for the international conference held from 13th to 15th Dec 2010 in the Dept. of Mechanical Engineering, Andhra University, Vizag, India. 34. Kondayya Devarakonda, S.Rajesh, A Gopala Krishna, Applying Grey Relational Analysis for Optimization of Bead Geometry in Submerged Arc Welding Process, All India Machine Tool Design and Research (AIMTDR), accepted for the international conference being held from 13th to 15th Dec 2010 in the Dept. of Mechanical Engineering, Andhra University, Vizag, India. 35. M.Lakshmana Rao, T.V.L.N.Rao & A.Gopala Krishna, Study of flow forming parameters by value engineering analysis, International conference on computational methods in engineering and science, Department of Mechanical Engineering, CBIT, January 8 – 10, 2009. 36. Kondayya D., Harinath Goud G., Gopala Krishna A., Narsimha Reddy P.Empirical modeling of weld bead geometry in Nd:YAG laser welding of inconel 600 using genetic programming, International conference on Intelligent manufacturing systems, ICIMS 2012, February 17 and 18, SASTRA University, Thanjavur. 37. Rajesh. S, A. Gopala Krishna, P. Rama Murty Raju and D. Kondayya, Comparative study on mechanical properties of Sic and Graphite reinforced aluminum MMCS,ICMPC2012, International Conference on Material Processing and Characterization organized by Gokaraju Rangaraju Institute of Engineering & Technology,, Hyderabad, 8-10 March 2012. 38. Thella Babu Rao, A. Gopala Krishna, Prediction and Modeling of Temperature and Tool wear during Boring of Al7075 T6 using FEA and RSM, International conference on Intelligent manufacturing systems, ICIMS 2012, February 17 and 18, SASTRA University, Thanjavur. 39. Rajesh.S, A.Gopala Krishna, and P.Rama Murthy Raju, Studies on Mechanical properties of Silicon Carbide Reinforced Aluminum MMC, International conference on Future Trends in Materials and Energy Systems, V.R.Siddhartha Engineering College, Vijayawada,A.P, India, 29-30 December 2011,pp 106-111. 40. Rajesh. S, A. Gopala Krishna , P. Rama Murty Raju , and M. Durai Selvam, Statistical Analysis of Wear Characteristics of Aluminum Metal Matrix Composites, International conference on Intelligent manufacturing systems, ICIMS 2012, February 17 and 18, SASTRA University, Thanjavur. NATIONAL CONFERENCES/WORKSHOPS/EXPERT LECTURES 1. Keynote lecture delivered at “Computational Research using Matlab” Ramachandra College of Engineering, Eluru, 10th November 2016. 2. Keynote lecture delivered at “Research potential and scope in Mechanical Engineering”, 27th September 2016 at Aditya Institute of technology and Management, Tekkali. 3. Delivered expert lecture in the workshop “Research Methodology and Technical paper writing” on 26-27 February 2016 Sree Vidyanikethan Engineering College,Tirupati. 4. A. Gopala Krishna, R.V.S.S.N Ravikumar T. Vijaya Kumar, S. Daniel Ephraim, B. Ranjith, M. Pranoy and Sundeep Dola, Investigation and Comparison of Optical and Raman Bands of Mechanically Synthesised MoO3 Nano Powders, Elsevier, Materials Today: Proceedings, National Conference on Emerging Trends of Advanced Functional Materials, Materials Today: Proceedings 3 ( 2016 ) 54 – 63. 5. R.V.S.S.N Ravikumar, Dola Sundeep, A.Gopala Krishna,S.Daniel Ephraim, Md Abid Ali, Sk Irfan Ahmed, K.S.Manikanta and T.Vijaya Kumar, Spectral Investigation of Structural and Optical Properties of Mechanically Synthesized TiO2-V2O5 Nanocomposite Powders, Elsevier, National Conference on Emerging Trends of Advanced Functional Materials Materials Today: Proceedings 3 ( 2016 ) 31 – 38. 6. U. Shrinivas Balraj and A. Gopala Krishna, “A Study on Response Surface Methodology-An Empirical Modeling Tool”, in National conference "TIME-10" at KITS, Warangal, 30th Dec.2010, pp.91-98 7. A. Gopala Krishna, Tool Design and its Applications, March 2009, Department of Mechanical Engineering, AU College of Engineering, Andhra University, Waltair, Vizag, A.P. 8. Baburao Thella, A. Gopala Krishna, Graph Theory and Matrix Approach and Topsis for Selection of Best Manufacturing Process, Proceedings of the National Conference on Emerging Trends in Mechanical Engineering, Organized by Department of Mechanical Engineering Sreenidhi Institute of Science & Technology, Hyderbad, July 1-2,2009 9. A. Gopala Krishna,Rendering algorithms for polygons, Conference on Recent trends in CAD/CAM, March 2002, Department of Mechanical Engineering, JNTU College of Engineering, Kakinada, A.P. 10. V.V.Subba Rao, Jagadesh, L.Vinod Babu, A.Gopala Krishna, Stacking sequence design of composite laminates for maximum strength using genetic algorithms, Conference on Technological advancements in Mechanical Engineering, Srinidhi institute of technology, Hyderabad, A.P 2nd and 3rd December 2005 . 11. A.Gopala Krishna, Rapid prototyping – An emerging technology for Rapid product development, Seminar on Recent trends in Mechanical and Industrial Engineering, G.Pulla Reddy Engineering College, Kurnool, December 2002. 12. K.Mallikarjuna Rao, A. Gopala Krishna, N.P.S.Krishna Madav, Development of a software package for CAD/CAM-Display aspects, Conference on Recent trends in CAD/CAM, March 2002, Department of Mechanical Engineering, JNTU College of Engineering, Kakinada, A.P. 13. D.Kondayya, A. Gopala Krishna, Prediction of Submerged Arc Weld Bead Geometry Using Multi-Layer Back Propagation Neural Networks, Proceedings of the National Conference on Emerging Trends in Mechanical Engineering, Organized by Department of Mechanical Engineering, Sreenidhi Institute of Science & Technology, Hyderabad, July 1-2,2009 14. A.Gopala Krishna, M.T.Naik, Application of Genetic algorithms for Linear programming problems, Seminar on Recent trends in Mechanical and Industrial Engineering, G.Pulla Reddy Engineering College, Kurnool, December 2002. 15. M.T.Naik, J.Suresh Kumar, A.Gopala Krishna, Design and thermal analysis of a pipe, Seminar on Recent trends in Mechanical and Industrial Engineering, G.Pulla Reddy Engineering College, Kurnool, December 2002. 16. A.Gopala Krishna, A global optimization approach to synthesis of planar mechanisms, Workshop on Genetic algorithms and Applications, JNTU College of Engineering, Kakinada, July 2006. 17. A.Gopala Krishna, Optimization of design and manufacturing tolerances of Mechanical assemblies, Workshop on Genetic algorithms and Applications, JNTU College of Engineering, Kakinada, July 2006. 18. A.Gopala Krishna, Determination of optimal sequence of manufacturing operations in computer aided process planning, Modern Manufacturing Technology, Naval Science and Technological Laboratory (NSTL), Vizag, July 2007. 19. A.Gopala Krishna, Selection of optimal sequence of cutting tool positions on CNC magazines, Workshop on Genetic algorithms and Applications, JNTU College of Engineering, Kakinada, July 2006. 20. A. Gopala Krishna, G. Harinath Gowd, D.Kondayya, Optimization of Computer Aided Process Planning Using and Evolutionary Method, Proceedings of the National Conference on Emerging Trends in Mechanical Engineering, Organized by Department of Mechanical Engineering Sreenidhi Institute of Science & Technology, Hyderabad, July 1-2,2009 21. A.Gopala Krishna, Determination of optimal machining parameters, Workshop on Genetic algorithms and Applications, JNTU College of Engineering, Kakinada, July 2006. 22. R. Sundara Ramam, A. Gopala Krishna, D.Kondayya, Finite Element Analysis of Involute Gear Tooth for Minimization of Bending Stress, Proceedings of the National Conference on Emerging Trends in Mechanical Engineering, Organized by Department of Mechanical Engineering Sreenidhi Institute of Science & Technology, Hyderabad, July 1-2, 2009 23. A.Gopala Krishna , Optimal selection of manufacturing operations sequence, Workshop on Genetic algorithms and Applications, JNTU College of Engineering, Kakinada, July 2006. 24. Babu Rao Thella, A. Gopala Krishna, D. Kondayya, Selection of Ceramic Particulate Reinforcements for an Industrial Application Using GTMA and AHP, Proceedings of the National Conference on Emerging Trends in Mechanical Engineering, Organized by Department of Mechanical Engineering Sreenidhi Institute of Science & Technology, Hyderabad, July 1-2, 2009. |
| R&D Projects | : | 1.Simulation of Stresses and Plastic Deformation in Flow Forming Process 2.Modeling and Simulation Studies of Welding Processes for Aerospace Applications 3.Improving surface Finish and Reducing Tool Wear in Machining of Ti-6Al-4V and Hard Steels through Nanocoolant 4.Experimental Investigations into Machinability Characteristics of Aerospace Materials in Hot Machining |
| Ph.D Scholars guided | : | 9- Completed, 1-Ongoing |
| Patents | : | Published a patent on “Vibratory assisted welding system”, Indian patent office, Application No.201641029625, dated 04/11/2016 |
| Foreign Visits | : | Delivered the Keynote lecture and Chaired a session in the international conference on “Advances in Materials and Manufacturing Processes” held in Paris, France in the month of August 2016. |