Personal profile
Overview
Aaruga is a final-year PhD researcher in the Department of Aerospace, Mechanical, and Civil Engineering at the University of Manchester. Her research advances sustainable construction by exploring low-carbon materials and methods for 3D concrete printing. She focuses on developing innovative cement replacement strategies, with a particular emphasis on Limestone-Calcined Clay Cement (LC3), to design printer mixes that reduce carbon emissions while ensuring favorable fresh and hardened state performance.
Beyond her doctoral research, Aaruga has expertise in the retrofitting of concrete structures, fiber-reinforced polymer (FRP) composites, thermal comfort in buildings, energy simulations, and finite element modeling. She also contributes to undergraduate education as a Graduate Teaching Assistant at the School of Engineering. She teaches structures, materials, and design modules for Mechanical, Aerospace, and Civil Engineering undergraduate students. She is also a Fellow of Advance HE (FHEA).
Education/Academic qualification
Fellow of Advance HE (FHEA), Advance HE
Award Date: 16 Apr 2025
Master of Science, University of Moratuwa
Feb 2019 → Nov 2020
Award Date: 30 Nov 2020
Bachelor of Science in Engineering, University of Moratuwa
Nov 2014 → Dec 2018
Award Date: 31 Dec 2018
Research Beacons, Institutes and Platforms
- Digital Futures
Keywords
- Concrete structures
- FRP composites
- Decarbonization
- Computational Modelling
- 3D printing
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 7 Affordable and Clean Energy
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SDG 12 Responsible Consumption and Production
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SDG 13 Climate Action
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Is 3D concrete printing low carbon? Getting it right
Selvaratnam, A. & Achintha, M., 11 Sept 2023, 42nd Annual Cement and Concrete Science Conference. IOM3, p. 22 1 p.Research output: Chapter in Book/Conference proceeding › Conference contribution › peer-review
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EPS Blended Cementitious Plaster for Improved Thermal Comfort in Buildings
Selvaratnam, A., Gamage, K. & De Silva, I., 25 Oct 2021, ICSBE 2020: Proceedings of the 11th International Conference on Sustainable Built Environment. Dissanayake, R., Mendis, P., Weerasekera, K., De Silva, S. & Fernando, S. (eds.). Springer Singapore, Vol. 174. p. 183–194 12 p. (Lecture Notes in Civil Engineering ; vol. 174).Research output: Chapter in Book/Conference proceeding › Chapter › peer-review
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Fire performance of CFRP/Concrete composites insulated with recycled EPS-cement blend
Selvaratnam, A., Kahandawa Arachchi, T. & Gamage, K., Jul 2021, MERCon 2021 - 7th International Multidisciplinary Moratuwa Engineering Research Conference, Proceedings. Piscataway, NJ: IEEE, p. 142-147 6 p. (Moratuwa Engineering Research Conference).Research output: Chapter in Book/Conference proceeding › Conference contribution › peer-review
Open Access -
Green composite plaster with modified morphology for enhanced thermal comfort in buildings
Kahandawa Arachchi, T., Selvaratnam, A., Gamage, K. & De Silva, I., 1 Dec 2021, In: Case studies in Construction materials. 15Research output: Contribution to journal › Article › peer-review
Open Access -
Investigation on an effective bond arrangement of insulated CFRP-strengthened flexural members for improved thermo-mechanical performance
Selvaratnam, A., Kahandawa Arachchi, T., Gamage, K. & Attanayake, V., 1 Apr 2021, In: Case studies in Construction materials. 14Research output: Contribution to journal › Article › peer-review
Open Access