5 papers
Low-Reynolds-number, bi-flagellated Quincke swimmers with multiple forms of motion
Endao Han, Lailai Zhu, Joshua W. Shaevitz +1
In the limit of zero Reynolds number (Re), swimmers propel themselves exploiting a series of non-reciprocal body motions. For an artificial swimmer, a proper selection of the power…
Effect of two parallel intruders on net work during granular penetrations
Swapnil Pravin, Brian Chang, Endao Han +4
The impact of single passive intruders into granular particles has been studied in detail. However, the impact force produced by multiple intruders separated at a distance from one…
Dynamic and programmable cellular-scale granules enable tissue-like materials
Yin Fang, Endao Han, Xin-Xing Zhang +26
Tissue-like materials are required in many robotic systems to improve human-machine interactions. However, the mechanical properties of living tissues are difficult to replicate. S…
Stress controlled rheology of dense suspensions using transient flows
Endao Han, Nicole M. James, Heinrich M. Jaeger
Dense suspensions of hard particles in a Newtonian liquid can be jammed by shear when the applied stress exceeds a certain threshold. However, this jamming transition from a fluid…
Dynamic jamming of dense suspensions under tilted impact
Endao Han, Liang Zhao, Nigel Van Ha +3
Dense particulate suspensions can not only increase their viscosity and shear thicken under external forcing, but also jam into a solid-like state that is fully reversible when the…