Adaptive wireless millirobotic locomotion into distal vasculature

T Wang, H Ugurlu, Y Yan, M Li, M Li, AM Wild… - Nature …, 2022 - nature.com
Microcatheters have enabled diverse minimally invasive endovascular operations and
notable health benefits compared with open surgeries. However, with tortuous routes far …

Modeling segregation in granular flows

PB Umbanhowar, RM Lueptow… - Annual review of …, 2019 - annualreviews.org
Accurate continuum models of flow and segregation of dense granular flows are now
possible. This is the result of extensive comparisons, over the last several years, of computer …

Helical structures mimicking chiral seedpod opening and tendril coiling

G Wan, C **, I Trase, S Zhao, Z Chen - Sensors, 2018 - mdpi.com
Helical structures are ubiquitous in natural and engineered systems across multiple length
scales. Examples include DNA molecules, plants' tendrils, sea snails' shells, and spiral …

Multiscale analysis of rotational penetration in shallow dry sand and implications for self-burrowing robot design

Y Tang, J Tao - Acta Geotechnica, 2022 - Springer
In nature, seeds of some flowering plants such as Erodium and Pelargonium can bury
themselves into the ground effectively for germination. Jung et al.(Phys Fluids 29: 041702 …

A bio-inspired helically driven self-burrowing robot

H Bagheri, D Stockwell, B Bethke, NK Okwae, D Aukes… - Acta Geotechnica, 2024 - Springer
Autonomous subsurface applications (eg, construction, exploration, and environmental
monitoring) have created a need for burrowing mechanisms and robots. This study presents …

Granular scaling laws for helically driven dynamics

A Thoesen, T McBryan, D Mick, M Green, J Martia… - Physical Review E, 2020 - APS
Exploration of granular physics for three-dimensional geometries interacting with
deformable media is crucial for further understanding of granular mechanics and vehicle …

Helical liquid crystal elastomer miniature robot with photocontrolled locomotion

T Zhao, J Wang, Y Fan, W Dou - Advanced Materials …, 2022 - Wiley Online Library
Miniature liquid crystal elastomer (LCE) based soft robots with multidirectional locomotion
ability and multifunctionality have captured the extensive interest of researchers for a wide …

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 …

[HTML][HTML] Force chain characteristics of dense particles sheared between parallel-plate friction system

F Meng, H Liu, S Hua, M Pang - Results in Physics, 2021 - Elsevier
Using the discrete element method, we investigate the force chain characteristics of dense
particles in a parallel-plate particle flow friction system, and considering the influence of …

Nonlocal shear-thinning effects substantially enhance helical propulsion

E Demir, N Lordi, Y Ding, OS Pak - Physical Review Fluids, 2020 - APS
Helical propulsion is ubiquitously adopted by swimming bacteria and artificial
microswimmers to move in biological fluids, which are typically viscoelastic and shear …