Keiren Chapis

Mechanical & Mechatronics Engineering student at the University of Melbourne. This page collects a few projects spanning mechanical design, dynamics & simulation, computational materials engineering, and product & software engineering — including a full app shipped solo to the App Store.

Projects

Product & Software Engineering

Worldwide: An AI-Assisted Travel Planning App

Designed, built, and shipped a full social travel-planning app solo — mobile app, backend, a cost-aware data pipeline covering 2,200+ real places, and the complete App Store submission process.

React Native / Supabase Claude API Data pipeline design

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Mechanical Design

The Pencil Sharpener: A Motorized Amusement Park Ride

Designed and built a 3-stage gear drivetrain and safety system for a motorized ride, from gear calculations through to a working physical build.

Gear design Shaft analysis Embedded systems

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Dynamics & Simulation

Modeling & Simulating a 3-DOF Gyroscope

Derived the Newton-Euler equations of motion for a 3-DOF gyroscope from first principles and validated a MATLAB simulation against real sensor data.

Newton-Euler dynamics MATLAB Sensor validation

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Computational Materials

Optimizing a Nickel-Based Superalloy Composition

Used CALPHAD modeling (Thermo-Calc) and a MATLAB multi-objective optimization to find the ideal alloy composition for a jet turbine blade material.

CALPHAD / Thermo-Calc Optimization Phase diagrams

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