• CFD
• Wave Energy Converter Modelling
• Fluid Dynamics

M.Phil. (UoR) | B.Sc. Eng. (Hons) (UoM)

AMIE (SL) | AEng (ECSL)

• Power Hydraulics
• Building Services Engineering

• BOC Award Gold Medal – received for the degree of Master of Philosophy Scolor who has published highest number of Research papers in peer-reviewed index journals (Q1) with highest SCImago Journal Ranking (SJR) and graduated in the year 2025.
• Best Paper Award in the track of Sustainable Energy & Environment at Moratuwa Engineering Research Conference (MERCon) 2024

AMIE (SL) | AEng (ECSL)

Journal Articles

• Manawadu, N.H.D.S., Liyanage, L.P.D.D., Nissanka, I.D., and Karunasena, H.C.P. (2025) ‘SPH-based numerical analysis and performance optimisation of an oscillating wave surge converter with a novel flap geometry for efficient wave energy extraction’, Journal of Ocean Engineering and Marine Energy. Available at: https://doi.org/10.1007/s40722-025-00448-z
• Manawadu, N.H.D.S., Nissanka, I.D., and Karunasena, H.C.P. (2024) ‘SPH-based numerical modelling and performance analysis of a heaving point absorber type wave energy converter with a novel buoy geometry’, Renewable Energy, 228, 120595. Available at: https://doi.org/10.1016/j.renene.2024.120595

Conference Proceedings

• Manawadu, N.H.D.S., Nissanka, I.D., and Karunasena, H.C.P. (2024) ‘A comparative performance analysis of heaving point absorber and oscillating wave surge type wave energy converters in irregular Sri Lankan wave conditions’, in 2024 Moratuwa Engineering Research Conference (MERCon). IEEE, pp. 482–487.
  Available at: https://doi.org/10.1109/MERCon63886.2024.10689032
• Manawadu, N.H.D.S., Nissanka, I.D., and Karunasena, H.C.P. (2022) ‘Numerical analysis and performance optimization of a flap-type oscillating wave surge converter in irregular waves’, in 2022 Moratuwa Engineering Research Conference (MERCon). Moratuwa, Sri Lanka: IEEE, pp. 1–6.
  Available at: https://doi.org/10.1109/MERCon55799.2022.9906284

Extended Abstracts

• Manawadu, N.H.D.S., Nissanka, I.D., and Karunasena, H.C.P. (2022) ‘Numerical modelling and performance analysis of an oscillating wave surge converter for renewable power generation applications’, in 19th Academic Session, University of Ruhuna. Matara, Sri Lanka. Available at: http://ir.lib.ruh.ac.lk/xmlui/handle/iruor/5755
• Manawadu, N.H.D.S., Nissanka, I.D., and Karunasena, H.C.P. (2021) ‘Numerical modelling and simulation of a bottomhinged flap-type oscillating wave surge converter for performance optimisation’, in 18th Academic Session, University of Ruhuna. Matara, Sri Lanka. Available at: http://ir.lib.ruh.ac.lk/xmlui/handle/iruor/3411
• Manawadu, N.H.D.S., Nissanka, I.D., and Karunasena, H.C.P. (2020) ‘Three-dimensional Numerical Study on Fluid Dynamic Performance of Various Shaped Wave Energy Convertor Flaps in a Wave Tank’, in 17th Academic Session, University of Ruhuna. Matara, Sri Lanka.