Dr. Upaka Rathnayake

Senior Lecturer (Higher Grade)


FACULTY : Engineering

DEPARTMENT :

Department of Civil Engineering

Qualifications :

PhD in Civil and Environmental Engineering, University of Strathclyde, Glasgow, United Kingdom

Master in Engineering, Hokkaido University, Japan

Postgraduate diploma in Sustainability Science, Hokkaido University, Japan

B.Sc. (Civil Engineering), University of Peradeniya, Sri Lanka

Career Summary

I am a Civil Engineer and holding a PhD for Water resource engineering. I have 11 years of experience in multi disciplinary research projects and in academia. 


Research Interests

    Water resources management

    Multi-objective optimization

    Climate change


Memberships

    Member of IWA

    Member of IAHS

    Member of Water Engineers, New Zealand


  • Best paper award 4th SAITM Research Symposium on Engineering Advancements (RSEA), South Asian Institute of Technology and Medicine, Malabe, Colombo, Sri Lanka, 26th April 2014.
  • 11/2009 – 10/2012 Overseas Research Students Awards Scheme scholarship to pursue doctoral research at University of Strathclyde, Glasgow, United Kingdom
  • 11/2009 – 10/2012 Strathclyde PhD studentship as the living stipend to pursue doctoral research at University of Strathclyde, Glasgow, United Kingdom
  • Best paper award on Fluid Mechanics, 6th World Scientific and Engineering Academy and Society international conference on Fluid Mechanics (FLUIDS’09), Ningbo, China, 10th – 12th January 2009
  • 10/2007 – 09/2009 Monbukagakusho Japanese government scholarship (to cover the tuition fees and living cost) with the nomination of Hokkaido University to pursue masters studies at Hokkaido University, Japan
  • University awards, based on the performance in the undergraduate course
  • University Scholarship for Best Performance in Engineering (Year 2006)
  • Ceylon Development Engineering Prize for Best performance in Civil Engineering (Year 2006)
  • Thurairaja Prize for Geotechnics (Year 2006)
  • E.O.E.Pereira Prize for Structures (Year 2004)
  • E.O.E.Pereira Prize for Structures (Year 2003)


    Book

  • Upaka Rathnayake. Living with disasters; A guidance to mitigate damages due to natural disasters. Germany : VDM Verlag Dr. Müller publishers, VDM Verlag Dr. Müller publishers, pp. 60.
  • Upaka Rathnayake. Hyporheic interactions; A theoretical and experimental expression. Germany : VDM Verlag Dr. Müller publishers, VDM Verlag Dr. Müller publishers, pp. 50.

  • Journal Articles

  • Upaka Rathnayake and D.M. Suratissa. "Uma Oya multi-purpose development project, Sri Lanka; Flood management and social impacts." Water - The water New Zealand Journal, vol. 194, pp. 44-47, 2016.
  • D.M. Suratissa and Upaka Rathnayake. "Diversity and distribution of fauna in Nasese Shore, Suva, Fiji Islands with reference to existing threats to the biota." Journal of Asia-Pacific Biodiversity, vol. 9, pp. 11-16, 2016.
  • Upaka Rathnayake. "Review of binary tournament constraint handling technique in NSGA II for optimal control of combined sewer systems." Journal of Information and Optimization Sciences, vol. 37(1), pp. 37-49, 2016.
  • Upaka Rathnayake . "Migrating storms and optimal control of urban sewer networks." Hydrology, vol. 2(4), pp. 230-241, 2015.
  • Upaka Rathnayake. "Multi-objective optimization of combined sewer systems using SWMM 5.0." Journal of Civil Engineering and Architecture Research, vol. 2(10), pp. 985-993, 2015.
  • Upaka Rathnayake . "Enhanced Water Quality Modeling for Optimal Control of Drainage Systems under SWMM Constraint Handling Approach." Asian Journal of Water, Environment and Pollution, vol. 12(2), pp. 81-85, 2015.
  • Upaka Rathnayake and Tiku T. Tanyimboh. "Evolutionary multi-objective optimal control of combined sewer overflows." Water Resources Management, vol. 29(8), pp. 2715-2731, 2015.
  • Upaka Rathnayake, D.M. Suratissa and Deepak Chand. "Water quality analysis in Nasese bay, Suva, Fiji Islands." Water - The water New Zealand Journal, pp. 18-27, 2014.
  • Upaka Rathnayake and Tiku T. Tanyimboh. "Optimal control of combined sewer systems using SWMM 5.0." Transactions on The Built Environment, vol. 122, pp. 87-96, 2012.
  • Upaka Rathnayake and Norihiro Izumi. "Theoretical and Experimental Investigation of Interactions between River Flow and Seepage Flow." ARJSLS, Japan, vol. 9, pp. 19-24, 2009.
  • Upaka Rathnayake and Norihiro Izumi. "Stability of Natural Roll Waves – Comparison of the Experimental and Theoretical Analysis Results." ARJSLS, Japan, vol. 8, pp. 18-21, 2008.
  • D.M. Suratissa & Upaka Rathnayake . "Effect of pollution on diversity of marine gastropods and its role in trophic structure at Nasese shore, Suva, Fiji Islands." Journal of Asia-Pacific Biodiversity- Elsevier, vol. 10(2), pp. 192-198, 2017.
  • Upaka Rathnayake & Hazi Md. Azamathulla. "Two consecutive storms and optimal control of urban sewer networks to minimize the pollution load of combined sewer systems." Sustainable Water Resources Management - Springer, vol. 3(1), pp. 33-40, 2017.
  • Uvini Srishantha and Upaka Rathnayake. "Sustainable urban drainage systems (SUDS) – what it is and where do we stand today?." Engineering and Applied Science Research (EASR), vol. 44(3), pp. In press, 2017.
  • Adheesha Fernando and Upaka Rathnayake. "Stormwater runoff quality in Malabe, Sri Lanka." Engineering and Applied Science Research (EASR), vol. 44(3), pp. In press, 30/05/2017.

  • Article from Conference Proceedings (Published)

  • Deshani Senadeera, Susantha Wanniarachchi & Upaka Rathnayake. "Rainfall analysis in Uma Oya basin,Sri Lanka." in 6th International Research Symposium on Engineering Advancements, 2016, pp. 44-47.
  • Babishya Khaniya, Susantha Wanniarachchi & Upaka Rathnayake. "Sustainable stormwater management system: A conceptual design model for SLIIT, Malabe campus, Sri Lanka." in 6th International Research Symposium on Engineering Advancements, 2016, pp. 48-51.
  • U.S. Rathnayake and S.M.A. Arachchi. "Flood modeling in Waidina Tributary, Fiji Islands." in 3rd International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development, 2015, pp. 307-313.
  • Upaka Rathnayake. "Hydrological assessment of flow in Uma Oya, Sri Lanka." in 5th Research Symposium of Uva Wellassa University, 2015, pp. 11-16.
  • Upaka Rathnayake. "Optimal control of urban sewer systems under enhanced water quality modeling." in 5th International conference on Sustainable Built Environment, 2014, pp. 26-35.
  • Upaka Rathnayake. "Multi-objective optimization of combined sewer systems using SWMM 5.0." in 7th International young water professional conference, International Water Association, Taiwan, 2014, pp. 577-590.
  • Upaka Rathnayake and Tiku T. Tanyimboh. "Optimal control of combined sewer overflows." in 13th International Conference on Urban Drainage, Sarawak, Malaysian Borneo, 2014, pp. 1-10.
  • Upaka Rathnayake . "Optimal control of urban sewer systems – where do we stand today?." in 4th SAITM Research Symposium on Engineering Advancements (RSEA), Malabe, Sri Lanka, 2014, pp. 105-109.
  • Upaka Rathnayake and Tiku T. Tanyimboh . "Multi-objective optimization of urban wastewater systems." in HIC 2012 - 10th International Conference on Hydroinformatics, Hamburg, Germany, 2012, pp. 1-8.
  • Upaka Rathnayake and Tiku T. Tanyimboh. "Integrated Optimal Control of Urban Sewer Systems." in IWA WCE 2012 – World Congress on Water, Climate and Energy, Dublin, Ireland, 2012, pp. 1-8.
  • Upaka Rathnayake and Tiku T. Tanyimboh. "Optimal control of combined sewer systems using SWMM 5.0." in Urban Water 2012 – 1st International Conference on the Design, Construction, Maintenance, Monitoring and Control of Urban Water Systems, New Forest, United Kingdom, 2012, pp. 1-10.
  • Upaka Rathnayake and Norihiro Izumi . "Experimental investigation of hyporheic interactions." in International conference on sustainable built environment (ICSBE 2010), Kandy, Sri Lanka, 2010, pp. 98-104.
  • Upaka Rathnayake and Norihiro Izumi. "Theoretical analysis for the interaction between the river flow and the seepage flow." in 6th World Scientific and Engineering Academy and Society international conference on Fluid Mechanics (FLUIDS’09), Ningbo, China, 2009, pp. 46-51.
  • Upaka Rathnayake and Norihiro Izumi. "Linear Stability Analysis between River Flow and Seepage Flow." in 8th International Conference on Hydro-Science and Engineering, Nagoya, Japan, 2008, pp. 1-8.
  • Upaka Rathnayake. "Alternative Water Supply Method for the Accommodation Facilities at University of Peradeniya." in 2nd International Symposium of Sabaragamuwa University, Sri Lanka, 2008, pp. 1-4.
  • Upaka Rathnayake and Norihiro Izumi. "Linear stability analysis of natural roll waves." in JSCE (Japanese Society of Civil Engineers) conferences at Sapporo Conference hall, Hokkaido, Japan, 2008, pp. 1-2.
  • Upaka Rathnayake, M.R.T.S. Harishchandra and S.B. Weerakoon. "Entrance Zone Effect on the Sediment Trapping Efficiency in Desilting Tanks of Run-of-River Type Mini-Hydropower Plants ." in Proceedings of the Peradeniya University Research Sessions. Sri Lanka, 2007, pp. Vol 12. Part II.
  • Upaka S. Rathnayake and S. B. Weerakoon. "Effect of the Entrance Zone on the Trapping Efficiency of Desilting Tanks in Run-of-River Hydropower Plants." in International Conference on “Small Hydropower” held at Hotel Topaz, Kandy, Sri Lanka, 2007, pp. 1-6.
  • Upaka Rathnayake, S.B. Weerakoon, K.D.W. Nandalal and Uditha Rathnayake. "Flood Modelling in the Mahaweli River Reach from Kotmale to Polgolla." in International Conference on “Mitigation of the Risk of Natural Hazards” held at Faculty of Engineering-University of Peradeniya, Sri Lanka, 2007, pp. 1-8.

User Info

Dr. Upaka Rathnayake
Email : upaka.r@sliit.lk