High-fidelity landing simulation of small body landers: Modeling and mass distribution effects on bouncing motion
Y Zhang, J Li, X Zeng, T Wen, Z Li - Aerospace Science and Technology, 2021 - Elsevier
The surface dynamics of small bodies is a key problem for landing and sample return
missions. It is also very meaningful for the research of morphologic evolution of small …
missions. It is also very meaningful for the research of morphologic evolution of small …
Reconstructing the formation history of top-shaped asteroids from the surface boulder distribution
Finding the basic mechanism governing the surface history of asteroids of various shapes is
essential for understanding their origin and evolution. In particular, the asteroids (162173) …
essential for understanding their origin and evolution. In particular, the asteroids (162173) …
Numerical study on low-velocity impact between asteroid lander and deformable regolith
X Zeng, Z Li, Q Gan, C Circi - Journal of Guidance, Control, and …, 2022 - arc.aiaa.org
Investigating the impact process between the hopping lander and the regolith surfaces is of
great significance for the in situ asteroid explorations. The high-efficiency description of the …
great significance for the in situ asteroid explorations. The high-efficiency description of the …
Natural landing dynamics near the secondary in single-tidal-locked binary asteroids
T Wen, X Zeng - Advances in Space Research, 2022 - Elsevier
The hopping dynamics of a lander in single-tidal-locked binary asteroid systems is explored.
A coupled orbit-attitude dynamical model of the lander in the body-fixed frame of the …
A coupled orbit-attitude dynamical model of the lander in the body-fixed frame of the …
SPH–DEM modelling of hypervelocity impacts on rubble-pile asteroids
Investigating the hypervelocity impact process on rubble-pile asteroids is crucial for
understanding the formation and evolution of small celestial bodies, and has important …
understanding the formation and evolution of small celestial bodies, and has important …
Soft robotic perspective and concept for planetary small body exploration
Tens of thousands of planetary small bodies (asteroids, comets, and small moons) are flying
beside our Earth with little understanding. Explorers on the surfaces of these bodies, unlike …
beside our Earth with little understanding. Explorers on the surfaces of these bodies, unlike …
New practical discrete non-spherical N-body method: Validation with the Brazil nut effect
This paper presents an implementation of the contact dynamics method for discrete non-
spherical particles. The algorithm can handle particles with a wide range of geometries as …
spherical particles. The algorithm can handle particles with a wide range of geometries as …
Numerical simulations of drainage grooves in response to extensional fracturing: Testing the Phobos groove formation model
The long, shallow, parallel grooves that cut across the surface of the Martian moon Phobos
remain enigmatic, with distinct implications for understanding the evolution of loose airless …
remain enigmatic, with distinct implications for understanding the evolution of loose airless …
Measuring the mechanical properties of small body regolith layers using a granular penetrometer
Small bodies in the solar system are known to be covered by a layer of loose
unconsolidated soil composed of grains ranging from dusty sands to rugged boulders …
unconsolidated soil composed of grains ranging from dusty sands to rugged boulders …
[HTML][HTML] A numerical simulation approach to the crater-scaling relationships in low-speed impacts under microgravity
The many small-body exploration missions that have occurred over the last few decades
have shown that small solar system objects are covered with granular material of varying …
have shown that small solar system objects are covered with granular material of varying …