Background

Dr. Tharindu Wickramaarachchi is a health modeller based in Melbourne specialising in infectious diseases. He has over eight years of experience in modelling vector borne diseases, with focus on the transmission of dengue in Sri Lanka. Dr Wickramaarachchi joined the Burnet Institute in 2020 to support COVID-19 modelling in lower-middle income country settings.

He has a background in applied mathematics and computing with expertise in non-linear differential equations, mathematical formulation of real-world systems, and uncertainty quantification in multi-factor driven systems and computing.

Positions

• Mathematical Modeller in Health, Burnet Institute, Melbourne, Australia, 2020 to present
• Lecturer in Mathematics, The Open University of Sri Lanka, Colombo, 2015 to 2020
• Research Assistant in Mathematical Modeling, University of Colombo, Sri Lanka, 2012 to 2015
• Software Quality Assurance Engineer, Virtusa PVT Ltd, 2011 to 2012

Qualifications

• PhD in Mathematical Modeling, University of Colombo, 2015
• BSc Hons, First Class, Mathematical Finance, University of Colombo, 2011

Projects (2)

Current (2)

• 

  COVASIM: Modelling COVID-19

• 

  Optima Nutrition Modelling

Publications (8)

2021 (1)

• An SIER model to estimate optimal transmission rate and initial parameters of COVID-19 dynamic in Sri Lanka.
  Wickramaarachchi WPTM, Perera SSN
  Alexandria Engineering Journal. 2021 Feb; 60(1):1557-1563

2020 (3)

• COVID-19 epidemic in Sri Lanka: A mathematical and computational modelling approach to control.
  Wickramaarachchi WPTM, Perera SSN, Jayasinghe S
  Computational and Mathematical Methods in Medicine. 2020 Oct; 2020:4045064
• A Two-Dimensional Dynamical System for Local Transmission of Dengue with Time Invariant Mosquito Density
  Wickramaarachchi WPTM,  Perera SSN
  in "Mathematical Modelling in Health, Social and Applied Sciences, Springer Nature (2020), ISBN 978-981-15-2285-7, . 2020 Jun; Book Chapter
• Optimal control measures to combat COVID-19 spread in Sri Lanka: a mathematical model considering the heterogeneity of cases.
  Wickramaarachchi WPTM, Perera SSN
  World Journal of Modelling and Simulation. 2020 Jun; 16:288-307

2018 (1)

• A mathematical model with control to analyse the dynamics of dengue disease transmission in urban Colombo.
  Wickramaarachchi WPTM, Perera SSN
  Journal of National Science Foundation of Sri Lanka. 2018 Mar; 46(1): 41-49

2017 (2)

• The nonlinear dynamics of the dengue mosquito reproduction with respect to climate in urban Colombo: a discrete time density dependent fuzzy model.
  Wickramaarachchi WPTM, Perera SSN
  International Journal of Mathematical Modelling and Numerical Optimisation. 2017 Sep; 8(2):145-161
• Developing a Two-Dimensional Climate Risk Model for Dengue Disease Transmission in Urban Colombo.
  Wickramaarachchi WPTM, Perera SSN
  Journal of Basic and Applied Research International. 2017 Jan; 20(3):168-177

2015 (1)

• Modeling and Analysis of Dengue Disease Transmission in Urban Colombo: A Wavelets and Cross Wavelets Approach
  Wickramaarachchi WPTM,  Perera SSN, Jayasinghe S
  Journal of National Science Foundation. 2015 Dec; 43(4):337-345