Impact on granular beds
D Van Der Meer - Annual review of fluid mechanics, 2017 - annualreviews.org
The impact of an object on a granular solid is an ubiquitous phenomenon in nature, the
scale of which ranges from the impact of a raindrop onto sand all the way to that of a large …
scale of which ranges from the impact of a raindrop onto sand all the way to that of a large …
Archimedes' law explains penetration of solids into granular media
W Kang, Y Feng, C Liu, R Blumenfeld - Nature communications, 2018 - nature.com
Understanding the response of granular matter to intrusion of solid objects is key to
modelling many aspects of behaviour of granular matter, including plastic flow. Here we …
modelling many aspects of behaviour of granular matter, including plastic flow. Here we …
[HTML][HTML] The effectiveness of resistive force theory in granular locomotion
T Zhang, DI Goldman - Physics of Fluids, 2014 - pubs.aip.org
Resistive force theory (RFT) is often used to analyze the movement of microscopic
organisms swimming in fluids. In RFT, a body is partitioned into infinitesimal segments, each …
organisms swimming in fluids. In RFT, a body is partitioned into infinitesimal segments, each …
Intrusion rheology in grains and other flowable materials
The interaction of intruding objects with deformable materials arises in many contexts,
including locomotion in fluids and loose media, impact and penetration problems, and …
including locomotion in fluids and loose media, impact and penetration problems, and …
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 …
Principles of appendage design in robots and animals determining terradynamic performance on flowable ground
Natural substrates like sand, soil, leaf litter and snow vary widely in penetration resistance.
To search for principles of appendage design in robots and animals that permit high …
To search for principles of appendage design in robots and animals that permit high …
Collisional model for granular impact dynamics
When an intruder strikes a granular material from above, the grains exert a stopping force
which decelerates and stops the intruder. Many previous studies have used a macroscopic …
which decelerates and stops the intruder. Many previous studies have used a macroscopic …
Macroscopic force experienced by extended objects in granular flows over a very broad Froude-number range: macroscopic granular force on extended object
T Faug - The European Physical Journal E, 2015 - Springer
This paper revisits a great number of data from previous studies about the macroscopic force
experienced by either objects moving at constant speed and depth inside static granular …
experienced by either objects moving at constant speed and depth inside static granular …
Settling into dry granular media in different gravities
E Altshuler, H Torres, A González‐Pita… - Geophysical …, 2014 - Wiley Online Library
While the penetration of objects into granular media is well‐studied, there is little
understanding of how objects settle in gravities, geff, different from that of Earth—a scenario …
understanding of how objects settle in gravities, geff, different from that of Earth—a scenario …
Dynamic characteristics of sphere impact into wet granular materials considering suction
X Zhang, D Zhang, Y Wang, S Ji, H Zhao - Granular Matter, 2023 - Springer
Understanding the impact and penetration characteristics of non-homogeneous granular
material systems is of great significance for various research work. In this study, a series of …
material systems is of great significance for various research work. In this study, a series of …