Ajith U Gunaratne

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Dr. Ajith Gunaratne is a Professor of Mathematics at Florida A&M University (FAMU), where he also serves as the Chair of the Department of Mathematics. He holds a Ph.D. in Applied Mathematics from Iowa State University, where he also completed postdoctoral and predoctoral associative positions. Prior to his academic career in the U.S., Dr. Gunaratne earned his B.Sc. in Higher Mathematics and Computer Science from the University of Peradeniya.

Dr. Gunaratne has been with FAMU since 2006, initially as an Assistant Professor, and he was promoted to Associate Professor in 2012. His teaching portfolio includes a wide range of mathematics courses, from introductory classes like College Algebra and Pre-Calculus to more advanced subjects such as Calculus III, Linear Algebra, and etc. He has also taught online courses in statistics and other subjects, reflecting his commitment to diverse teaching methods.

Dr. Gunaratne's research spans several areas, including constrained molecular dynamics, wind modeling for complex terrains, and applications of differential equations in biological systems. His research has been widely published in respected journals such as the Journal of Applied Meteorology and Climatology and the Journal of Numerical Analysis and Modeling. He is involved in interdisciplinary projects, particularly those that apply mathematical models to real-world problems in climate science and biology.

In addition to his academic duties, Dr. Gunaratne has served as a research mentor for undergraduate students, guiding them in projects related to chemical kinetics and matrix differential equations. His dedication to student development has earned him multiple awards, including the FAMU Student Choice Award, the National Society of Leadership & Success Award and FAMU employee of the quarter Award.

Beyond academia, Dr. Gunaratne is a skilled system administrator, with extensive experience managing computer networks, servers, and workstations, particularly in a university setting. His technical skills extend to programming and the use of various software for scientific research, including molecular dynamics simulations and statistical analysis.

Dr. Gunaratne continues to contribute to the academic community through his teaching, research, and leadership roles, fostering an environment of intellectual curiosity and innovation within his department at Florida A&M University.

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• Numerical optimization
• Numerical linear algebra
• Mathematical and computational biology: protein modeling and simulation, modeling of evolution and natural selection
• Wind modeling

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• Ajith Gunaratne, Desmond Stephens, Lareef Zubair, Chamara Gunaratne, Atmospheric wind variation in north-east monsoon period of Sri Lanka, International Journal of
  Numerical Methods and Applications, Volume 18 (2) Pages 23-29, 2019
• Ajith Gunaratne. Mozhgan Nora Entekhabi, Lareef Zubair, Chamara Gunaratne , Mass Consistent wind model for Sri Lanka during the South-West monsoon, International
  Journal of Numerical Methods and Applications, Volume 18 (2) Pages 1-8, 2019
• Ajith Gunaratne and Lareef Zubair, Predictive model for wind fields in Sri Lanka, International Journal of Numerical Methods and Applications, Volume 18 (1) Pages 1-5,
  2019
• Dilani G. Gamage, Ajith Gunaratne, Gopal R Periyannan, Timothy G. Russell, Applicability of Instability Index for In vitro Protein Stability Prediction, Journal of Protein & Peptide
  Letters, Vol 6, Pages 1-9, 2019
• Ajith Gunaratne and Lareef Zubair, Fine scale evaluation of tropical wind climatologies using a mass consistent model, International Journal of Numerical Methods and
  Applications, Volume 14 (2) Pages 77-103, 2015
• Ajith Gunaratne and Zhijun Wu, A Penalty Function Method for Constrained Molecular Dynamics, Journal of Optimization Theory and Applications, IJNAM, Volume 8, Number 3,
  Pages 496–517, 2012.
• Ravindrudu, R., Wu, D., Guaratne, A., Feng Y., Wu, Z., Integrated Software Environment for Protein Structure Refinement, In the Proceedings of the IEEE International Conference
  on Bioinformatics and Biomedicine 2008, Volume , Issue , 2-4 Nov. 2008 Page(s): 25-32 URL:http://www.ischool.drexel.edu/ieeebibm/bibm08/about/bibm-about.asp
• Ajith Gunaratne, A Penalty Function Method for Constrained Molecular Dynamics, Iowa State University, Ph.D. Thesis
• Lareef Zubair and Ajith Gunaratne, Wind Climatologies From Mass-Consistent Wind Model for Sri Lanka, Proceedings of the tenth Asian congress of Fluid Mechanics,
  Peradeniya, Sri Lanka, 17-21 May 2004. URL: http://acfmx.pdn.ac.lk/
• Gunaratne, Ajith and Zubair, L., A mass consistent wind model for Sri Lanka, Proceedings of the Asian Fluid Dynamics Congress, Shenzen, China 8:817-820, December 1999.
  Jayampathy Ratnayake, Ajith Gunaratne, Lareef Zubair, Surface Winds at Sevanagala, Proceedings of the Sri Lanka Association for the Advancement of Science, December
  1999. URL: http://www.nsf.ac.lk/slaas/
• Ajith Gunaratne and Lareef Zubair, Predictive wind model for Sri Lanka, Proceedings of the Sri Lanka Association for the Advancement of Science, Sri Lanka, December 1999.
  URL: http://www.nsf.ac.lk/slaas/
• Gunaratne, Ajith. and Zubair, L., A mass-consistent wind model for Sri Lanka during the North-East monsoon, Proceedings of the Sri Lanka Association for the Advancement of
  Science, Sri Lanka, December 1999. URL: http://www.nsf.ac.lk/slaas/ Lareef Zubair and A.U.K. Gunaratne, Surface Winds and Climate in Sita Eliya, Sri Lanka, Journal of the National Science Council, Sri Lanka, April 1999. URL: http://www.nsf.ac.lk/jnsc.htm
• Ajith Gunaratne and Lareef Zubair, Structure of the Wind Velocity in the Lower Atmosphere around Hambantota, Annual Sessions of the Sri Lanka Association for the
  Advancement of Science, 54:181, Sri Lanka, December 1998. URL: http://www.nsf.ac.lk/slaas/