Senior Lecturer (G II)
Faculty of Engineering Technology
Contact:
Main Campus, 3rd floor, Science and Technology building, Room No : W5
Office: +94112881484, Ext: 484 Mobile: +94714901737
E-mail: skris@ou.ac.lk sabakrish@gmail.com
EDUCATION Doctor of Philosophy (Electrical and Electronic Engineering)-2008 Faculty of Engineering, University of Peradeniya, Sri Lanka (2001-2004) Postgraduate Diploma in Industrial Mathematics Faculty of Postgraduate Studies, University of Sri Jayawardenepura, Sri Lanka, (1996-1998) Bachelor of Science (special) in Mathematics (2nd Class Upper Division) Faculty of Science, Eastern University, Sri Lanka(1987- 1993) EMPLOYMENT Senior Lecturer in Mathematics and Philosophy of Engineering Department of Mathematics and Philosophy of Engineering, The Open University of Sri Lanka 22-5-2013 to date Senior Lecturer in Physical Science Physical Science BSc. in Applied Mathematics and Computing (General and Special), & B.Sc. Information and Communication Technology (General and Special)] Vavuniya Campus of the University of Jaffna, Sri Lanka 1-4-1997 to 21-5-2013 College Lecturer in Mathematical Sciences Mathematical Sciences Unit Northern Province Affiliated University College(NPUAC), Sri Lanka 2-1-1995 to 31-3-1996 Temp. Lecturer in Mathematics Department of Mathematics Eastern University, Sri Lanka 1-1-1994 to 1-1-1995
Last Updated on 3 years
Areas of Specialization:Numerical Computing
Research interests:1. Mathematical Modeling and its numerical solution 2. PDEs solution using FEM 3. Inverse problems 4. Engineering optimization 5. Graph theory 6. Mesh generation for transient problems
Affiliations:Department of Mathematics and Philosophy of Engineering, Faculty of Engineering Technology
Programme Coordination:NULL
Course Coordination:- MPZ5230 – Engineering Mathematics III
- MPJ5134 – The Nature of Mathematics I
1. UGC grant( 7.2m) for Requirements of software of the Faculty of Applied science, May 2013 based on the proposal submitted. 2. Postgraduate Research Award -2008 for contributions of research in Sri Lanka by SriLanka Association for the Advancement of Science (SLAAS), in December 2008. 3. International Conference travel grant from Vavuniya Campus to present an IEEE International paper at IIT, Khragpur, India, December 2008. 4. Full Scholarship awarded by National Science Foundation(NSF), Sri Lanka to present a paper at the International Conference on Industrial and Information Systems (ICIIS), at the University of Peradeniya, Sri Lanka, 2007. 5. Travel Grant awarded by the National Science Foundation (NSF), Sri Lanka to present aresearch paper in the JapMed?03 conference, Athens, Greece, 2003. 6. Research Grant awarded by Vavuniya Campus of the University of Jaffna, 2007( GrantNo:UJ/VC/RG/2007/08) 7. Research assistantships awarded by the National Science Foundation (NSF), Sri Lanka for reading my PhD study at the University of Peradeniya during the period, 2001-2004.
Researches:1.Graph theory 2. Finite Element solution for discrete system 3. Special Mesh generation for transient problems 4. User friendly tool for device optimizations
Ongoing Research:3D finite element solution for transient problems
Research Supervisions:1. Mr. D. A. S. Vethanayagam, Numerical Solution of Partial differential Equations using Higher- Order Finite Elements,2006/2007 2. Mr. R. Rajavaheinthan, Appropriate Numerical Method of Solving Particular type of Nonlinear Equations,2007/2008 3. Mr. T. Jeyamugan, Two and Three dimensional Finite Element Mesh Generator: GUI Matlab Tool,2007/2008 4. Mr. S. Kajendran, Parallel Computing Network: Implementation of Cholesky Decomposition Algorithm,2008/2009 5. Mr. Edwin Linosh, Analyzing various type of Discrete Systems of Science and Engineering using Finite Element Techniques- A user friendly tool,2008/2009 6. Mr. A. Yasothar,Error Analysis of finite element and finite difference method in solving partial differential equations, 2009/2010
Publications:1. S. Wijeyamohan, V. Sivakumar, Bruce Read, Dennis Schmitt, S. Krishnakumar, Charles Santiapillai, A simple technique to estimate linear body measurements of elephants, Journal of current science, Vol. 102, no. 1, 10 January 28 y 2012. 2. Stefano Bellucci, BhupendraNathTiwari, N. Amuthan, and S. Krishnakumar,(2011) On Intrinsic Geometry Stability of Controller,(arXiv:submit/0226284[stat.AP] 3. N. Amuthan, S. Krishnakumar,(2009) “Design of Linear Parametric Internal Model Controller-Polynomial approach”, Int. J. of Electrical and Electronics Engineering (JEEE). 4. S. Krishnakumar, S. R. H. Hoole (2005) A Common Algorithm for Various Parametric Geometric Changes in Finite Element Design Sensitivity Computation. International Journal of Material Process of Technology. 161: 368-373 5. S. Ratnajeevan H. Hoole, ShiflaMusthafa, H. M. M. Naleer and S. Krishnakumar (2004) Spreadsheets in Electromagnetic Education: Coupled Problem with Graphical Postprocessing. . International Journal for Engineering Education. 20: 949-9579 6. S. Varun, S. Krishnakumar, Implementation of Graph Theory Algorithms-Java Tool Kit, The World Congress on Engineering, London, U.K., 3-5 July, 2013. 7. S. Krishnakumar, S. R. H. Hoole (2008), Optimizing Shape Design of Magnetic Pole Contour using a Special Mesh Generator, Proc. IEEE ICIIS, IIT, India, 3:. 40. 8. S. Krishnakumar, S. R. H. Hoole (2007) Force Computation using Parameterized Mesh Generator. IEEE ICIIS, IEEExplorer. ISBN: 978-1-4244-1151-1: 193-198. 9. S. Krishnakumar (2003) Interpolation Polynomials and Differentials for Finite Element Force Computation .Annual Transactions of Institution of Engineers Sri Lanka (IESL). Section 1 – Part B: 168-174. 10. H. M. M. Naleer, S. A Musthafa, S. Krishnakumar(2003), Solution of Coupled Electro-Heat Problems Using Spreadsheets Annual Transactions of Institution of Engineers Sri Lanka (IESL). Section 1-Part B: 150-156. 11. Jeyamugan, S. Krishnakumar(2009), Adaptive Automatic Finite Element Mesh Generator for Selected Two and Three Dimensional Geometries, Proc. Annual Vavuniya Campus Research Session(VCARS), p. 31 , ISSN: 1800-4911. 12. S. Kajendran, S. Krishnakumar(2009), Performance of Cholesky Decomposition Method using Parallel Computing Network, Proc. Annual Vavuniya Campus Research Session(VCARS), p. 32 , ISSN:1800-4911. 13. S. Krishnakumar, S. R. H. Hoole (2008), Optimizing Shape Design of Magnetic Pole Contour using a Special Mesh Generator, Proc. IEEE ICIIS, IIT, India. 14. D. A. S. Vethanayagam, S. Krishnakumar (2008) Adaptive Finite Element Method for solving Electromagnetic Field Problems. Proc. SLAAS. 64:126.10 15. S. Krishnakumar (2008) Comparative Analysis of Unconstrained Gradients – Based Optimization Method for Two Dimensional Rosenbrock Function. Proc. 2nd Int. Symposium, Sab. Univ., Sri Lanka, 2:171. 16. S. Krishnakumar, D. A. S. Vethanayagam.(2008) Higher-order Finite Element Solution of 2-D nonlinear Electromagnetic Field Problems. Proc. 2nd International Symposium, Sab. Univ., Sri Lanka. 2:173. 17. S. Krishnakumar, R. Rajavahienthan (2008) Analysis of Popular Numerical Methods in Solving a Particular type of Non-Linear Equation – GUI Tool. Proc. 2nd International Symposium, Sab. Univ., Sri Lanka. 2:.174. 18. S. Krishnakumar, S. R. H. Hoole (2007) Force Computation using Parameterized Mesh Generator. Proc. 2nd Int. conf. on Industrial and Information system (IEEE ICIIS), Peradeniya, Sri Lanka, 2:86. 19. S. Krishnakumar and S. R. H. Hoole (2003) Linear and Rotary Displacement in Finite Element Sensitivity Computation. Proc. JapMed’03, Athens, Greece. 3: 93-94 20. S. Krishnakumar, S. R. H. Hoole (2002) A Parameterized mesh generator for finite element sensitivity. SLAAS Proc.-58th Annual Session, Colombo, Sri Lanka, 58:237. NATIONAL AND INTERNATIONAL CONFERENCE PRESENTATION 21. S. Krishnakumar, S. R. H. Hoole (2008), Optimizing Shape Design of Magnetic Pole Contour using a Special Mesh Generator, International conference on Industrial and Information system, IIT, Kharaphpur, India 22. D. A. S. Vethanayagam, S. Krishnakumar (2008) Adaptive Finite Element Method for solving Electromagnetic Field Problems. 64th Annual Session of SrI Lanka Association for the Advancement of Science( SLAAS). 23. S. Krishnakumar (2008), Application of Finite Element method for Inverse problems, Colloquium, Vavuniya Campus, Sri Lanka. 24. S. Krishnakumar (2008) Comparative Analysis of Unconstrained Gradients – Based Optimization Method for Two Dimensional Rosenbrock Function. 2nd International Symposium, Sabaragamuwa University, Sri Lanka. 25. S. Krishnakumar, S. R. H. Hoole (2007) Force Computation using Parameterized Mesh Generator. IEEE 2nd International conference on Industrial and Information system (IEEE ICIIS), University of Peradeniya, Sri Lanka 26. S. Krishnakumar and S. R. H. Hoole (2003) Linear and Rotary Displacement in Finite Element Sensitivity Computation. Japanese Mediterranean conference, Athens, Greece. 27. S. Krishnakumar (2003) Interpolation Polynomials and Differentials for Finite Element Force Computation, Annual conference of Institution of Engineers Sri Lanka (IESL), Colombo, Sri Lanka. 28. S. Krishnakumar, S. R. H. Hoole (2002) A Parameterized mesh generator for finite element sensitivity. SLAAS Proc.-58th Annual Session, Colombo, Sri Lanka, 58:237