Dr Stefania Soldini BEng MEng PhD
Lecturer (Asst. Prof.) in Space Engineering Mechanical, Materials & Aerospace Eng
- Work email Stefania.Soldini@liverpool.ac.uk
- Personal WebsiteMy research blog on small celestial bodies and deep space mission operations
Origami Solar Sail Technology & Additive Manufacturing
(YouTube Video) Manufacturing of 3D-printed morphing origami solar sails for the next generation of CubeSats
The project is exploring Additive Manufacturing (AM) to prototype a new morphing origami solar sail mechanism for next generation of self-reconfigurable CubeSats. A solar sail is an origami thin, lightweight highly reflective membrane capable of harnessing the effect of the Sun radiation pressure. It enables fuel-free propulsion by reflecting the intensity of the sunlight. This project will demonstrate the feasibility of a new generation of origami solar sail’s membrane that, by changing its local surface reflectivity, will trigger shape reconfiguration for multi operational CubeSats.
EPSRC/Connecting Everything II Grant Ref: EP/S036113/1
PI Dr Stefania Soldini, University of Liverpool
CoI Dr Paolo Paoletti, UoL
Dr Juan Reveles, Oxford Space Systems
Dr Stephane Bonardi, Dr Naoya Ozaki, Dr Ahmed Sugihara, Prof Osamu Mori, JAXA
Keywords: Self-folding Origami Robots; Additive Manufacturing, Solar Sails
Asteroids and minor celestial bodies
A generalised methodology for analytic construction of 1:1 resonances around irregular bodies: Application to the asteroid Ryugu’s ejecta dynamics
• Developing GNC algorithms for spacecraft-asteroids proximity operations.
• Radio science expertise in particular in gravity modelling from shape model, spherical harmonics and Mascons.
• Interested in studying non-uniform density asteroids and their gravitational anomalies.
• Derived a generalised semi-analytical method to compute periodic orbits around the 1:1 resonances of non-uniform density asteroids.
• Looking for interfacing impact physics with astrodynamics through Mascon-SPH gravity models
• Working on interior and exterior gravity fields to determine Mascons distribution from high-fidelity models (e.g. polyhedron, stockes coefficient or gravity data measurements) interested in using AI for curve fitting.
Keywords: Mascons Gravity Model; Polyhedron Gravity Model, Smooth sphere particles; 1:1 resonances; Periodic Orbits;
Ejecta Particles Dynamics
The Small Carry-on Impactor (SCI) and the Hayabusa2 Impact Experiment
• Experience with the Hayabusa2's SCI experiment by modelling the dynamics of the ejecta particles
• Use of crater scaling models for ejecta particles computation
• Interested in hydrocode software for impact physics simulation and its interface with astrodynamics
• Interested in the effect of solar radiation pressure on ejecta particle dynamics
Keywords: Hayabusa2’s small carry-on impactor operation; Fate of ejecta
Manufacturing of a 3D-printed origami solar sail for next generation of shape-changing CubeSat’s devices
ENGINEERING & PHYSICAL SCIENCES RESEARCH COUNCIL
September 2020 - April 2021
Dr Elisabet Canalias
Project: Transfers from planar to 3D Quasi Satellite Orbits around Mars’ moon Phobos: sensitivity analysis (MSc Project)
External: CNES (French Space Agency)
Determine the most robust application point of the inclination change manoeuvre allowing to transfer from a planar Quasi Satellite Orbit (QSO) around Phobos to a 3 dimensional one.