3 papers
math.NA2026
A Physics-Informed Statistical Learning Model for Long-Term Fragmentation Cloud Propagation
Yema Paul, Diogo Sousa, Albert Servitje +4
This paper introduced a Hierarchical Generative Density Model (HGDM) for the long-term propagation of orbital fragmentation clouds. Validation against high-fidelity Monte Carlo sim…
math.NA2025
Probability of Collision with Tethered Spacecraft
Yema Paul, Emmanuel Delande, Francois Vinet +4
This Engineering Note addresses the challenge of estimating the probability of collision for tethered spacecraft during close encounters with other space objects. Standard probabil…
math.NA2025
Efficient Multifidelity Uncertainty Propagation in the Presence of Process Noise
Alberto FossÃ, Roberto Armellin, Emmanuel Delande +1
A multifidelity method for the nonlinear propagation of uncertainties in the presence of stochastic accelerations is presented. The proposed algorithm treats the uncertainty propag…