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Dasun KarunarathneDK
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Dasun Karunarathne

@dasunkarunarathne

Mechanical engineering undergraduate at University of Ruhuna who designed EV battery enclosures and simulated their structural performance.

Sri Lanka
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At Vega Innovations (Pvt) Ltd, I designed mechanical components and sheet metal parts for electric vehicle battery systems, including battery enclosures and lifting mechanisms. I also used finite element analysis and ANSYS transient impact simulations to evaluate component performance and safety.

For my capstone, I’m working on a cooling system for lithium-ion 21700 battery packs in EVs, focused on maintaining operating temperatures and preventing thermal runaway. The project uses CAD and CAE tools alongside manufacturing processes such as laser cutting and laser welding.

I also designed a drivetrain for a Formula Student EV, including a lightweight axial flux PMSM and a two-stage gearbox. The project uses SolidWorks, Ansys Mechanical, Ansys Maxwell, Ansys Motor CAD, and MATLAB Simulink.

During my internship at Machinery and Equipment Authority, I assisted with vehicle engine overhauls and fault diagnosis across vehicle systems. I also gained experience with repair estimates, job cards, and invoices.

Experience

Work history, roles, and key accomplishments

VL

Mechanical and Manufacturing Engineering Internship Trainee

Vega Innovations (Pvt) Ltd

Aug 2025 - Nov 2025 (3 months)

Gained hands-on experience in electric vehicle battery systems, including lithium-ion battery pack designs and fabrications. Designed mechanical components and sheet metal parts using SolidWorks, performed FEA and ANSYS simulations, and acquired practical knowledge of manufacturing processes.

MN

Automobile Engineering Internship Trainee

Machinery and Equipment Authority (NWP)

May 2024 - Aug 2024 (3 months)

Assisted in vehicle engine overhauls and performed fault diagnosis of braking, transmission, cooling, steering, and suspension systems. Developed management experience in repair estimation, job card preparation, and invoice preparation.

Education

Degrees, certifications, and relevant coursework

UR

University of Ruhuna

Bachelor of Science, Mechanical and Manufacturing Engineering

2022 -

Grade: 3.3/4.00

Final year undergraduate pursuing a Bachelor of Science in Mechanical and Manufacturing Engineering. Currently has a GPA of 3.3/4.00 and is awaiting graduation.

PC

Pimburuwellegama Central College

GCE Advanced Level, General Education

2017 - 2020

Grade: 2A, 1B

Completed GCE Advanced Level examinations with results of 2A and 1B.

Tech stack

Software and tools used professionally

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