RADID – Rapid Assessment of Design Impact on Debris Generation

 Programme:  GSTP  Achieved TRL:  5
 Reference:  G61C—018EC  Closure:  2016
 Contractor(s):  Astos Solutions GmbH (DE), HTG GmbH (DE), Airbus DS GmbH (DE)

 
Successful design for demise heavily relies on the ability to analyse any spacecraft mission and system design with high fidelity. Already at the start of a project, the systems engineer needs to have the ability to rapidly analyse the impact of certain design choices on the end-of-life disposal, especially on the impact on the risk to humans or assets on ground during a spacecraft end-of-life re-entry in the atmosphere.

Objectives
Enhance current models and upgrade a software framework for the early and rapid assessment of the impact that spacecraft design choices have on the amount and characteristics of debris generated during splash-down of launcher empty stages, spacecraft orbit decay for controlled, as well as uncontrolled, re-entry.

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Import of CAD file, identification of primitives, outputAccess the image

Achievements and status
Upgrade of explosion, fragmentation and ablation modelling algorithms, interfacing with simulation, analysis and optimisation software for orbital and atmospheric vehicle dynamics, including the capability of assessing the mission or system design impacts on risk to humans, ground infrastructure and assets, and maturation of optimisation techniques for D4D worst case identification as well as efficient Monte Carlo simulation within the software framework.

Benefits
Assessment of the impact that design changes have on debris generation at EoL during early project phases and studies with medium-detailed spacecraft models (potential cost saver). A spacecraft can be a satellite as well as an empty launcher stage.

Next steps
Further testing of the RADID software features in single and distributed computing and deployment through application in projects.

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