A Hierarchical Generative Density Model (HGDM) surrogate reproduces dominant multidimensional structures of long-term orbital fragmentation clouds from Monte Carlo simulations using only hundreds to thousands of fragments, outperforming classical band approximations.
Space debris cloud evolution in Low Earth Orbit,
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A Physics-Informed Statistical Learning Model for Long-Term Fragmentation Cloud Propagation
A Hierarchical Generative Density Model (HGDM) surrogate reproduces dominant multidimensional structures of long-term orbital fragmentation clouds from Monte Carlo simulations using only hundreds to thousands of fragments, outperforming classical band approximations.