Sahangi D - Research Program Mentor | Polygence
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Sahangi D

- Research Program Mentor

PhD at California Institute of Technology

Expertise

Aerospace/Structural Engineering/Mechanical Systems

Bio

I am a Ph.D. graduate in Aerospace Engineering from Caltech, where I specialized in structural design for in-space assembly. My research focused on optimizing materials and systems for autonomous assembly in space, particularly for large-scale missions involving mesh reflectors and modular structures. Outside of academics, I’m passionate about the outdoors and enjoy singing, dancing, and exploring creative outlets through music. My love for building and creating, which started with Legos as a child, continues to inspire my work in engineering and space exploration.

Project ideas

Project ideas are meant to help inspire student thinking about their own project. Students are in the driver seat of their research and are free to use any or none of the ideas shared by their mentors.

Designing a Strong and Lightweight Space Structure

In this project, students will learn how engineers design materials and structures for space, focusing on making them strong yet lightweight. They will explore materials used in space missions, such as special fabrics and metals, and understand why being light is crucial for space travel. Students will test their designs using basic computer simulations and design a simple space structure.

Reviewing Robots for Space Construction

In this project, students will write a review paper on the use of robots in space construction. They will research how robots are currently used for tasks such as building satellites, space stations, and other structures in space. Students will explore the challenges of working in space, like zero gravity, and how robots overcome these obstacles. The paper will discuss different types of robots used in space, their designs, and the technologies that enable them to work in such harsh environments.

Coding skills

MatLab

Languages I know

Sinhala, Native; French, Beginner

Teaching experience

I have supported undergraduate instruction by leading discussion sections, conducting lab sessions using structural analysis tools such as SAP2000, and providing individualized guidance during office hours. In addition to assisting with grading and developing instructional resources, I also served as a teaching assistant for a course focused on research projects and papers, where I mentored students on formulating research questions, structuring technical presentations, and presenting their findings effectively.

Credentials

Work experience

International Construction Consortium (Pvt) Ltd (2016 - 2016)
Civil Engineering Intern

Education

University of Moratuwa
BSE Bachelor of Science in Engineering (2018)
Civil Engineering
University of Moratuwa
MSE Master of Science in Engineering (2019)
Structural Engineering
California Institute of Technology
MS Master of Science (2020)
Space Engineering
California Institute of Technology
PhD Doctor of Philosophy (2025)
Space Engineering

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