Scalable three‐dimensional hybrid continuum‐discrete multiscale modeling of granular media
This study presents a scalable three‐dimensional (3D) multiscale framework for continuum‐
discrete modeling of granular materials. The proposed framework features rigorous coupling …
discrete modeling of granular materials. The proposed framework features rigorous coupling …
Modified granular impact force laws for the OSIRIS-REx touchdown on the surface of asteroid (101955) Bennu
The OSIRIS-REx mission collected a sample from the surface of the asteroid (101955)
Bennu in 2020 October. Here, we study the impact of the OSIRIS-REx Touch-and-Go …
Bennu in 2020 October. Here, we study the impact of the OSIRIS-REx Touch-and-Go …
Advances in projectile penetration mechanism in soil media
The penetration to geological shield occurs in many situations at various velocities and
scales, for example, meteor-cratering, pile driving, falling of objects from high-rise building …
scales, for example, meteor-cratering, pile driving, falling of objects from high-rise building …
Predictive model of a mole-type burrowing robot for lunar subsurface exploration
Z Yuan, R Mu, H Zhao, K Wang - Aerospace, 2023 - mdpi.com
In this work, a dynamic model is proposed to simulate the drilling and steering process of an
autonomous burrowing mole to access scientific samples from the deep subsurface of the …
autonomous burrowing mole to access scientific samples from the deep subsurface of the …
Drag force on cylindrical intruders in granular media: Experimental study of lateral vs axial intrusion and high grain-size polydispersity
We report on experimentally measured drag force experienced by a solid cylinder
penetrating a granular bed of glass beads including, specifically, a highly polydisperse …
penetrating a granular bed of glass beads including, specifically, a highly polydisperse …
Efficacy of simple continuum models for diverse granular intrusions
Granular intrusion is commonly observed in natural and human-made settings. Unlike
typical solids and fluids, granular media can simultaneously display fluid-like and solid-like …
typical solids and fluids, granular media can simultaneously display fluid-like and solid-like …
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 …
Simulation of compound anchor intrusion in dry sand by a hybrid FEM+ SPH method
The intrusion of deformable compound anchors in dry sand is simulated by coupling the
Finite Element Method (FEM) with Smoothed Particle Hydrodynamics (SPH). This novel …
Finite Element Method (FEM) with Smoothed Particle Hydrodynamics (SPH). This novel …
Intrusion into granular media beyond the quasistatic regime
The drag force exerted on an object intruding into granular media is typically assumed to
arise from additive velocity and depth dependent contributions. We test this with intrusion …
arise from additive velocity and depth dependent contributions. We test this with intrusion …
Influence of particle size on vertical plate penetration into dense cohesionless granular materials (large-scale DEM simulation using real particle size)
The influence of the particle size on the vertical plate penetration into dense cohesionless
granular materials was numerically investigated. Simulations were performed in quasi-two …
granular materials was numerically investigated. Simulations were performed in quasi-two …