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573 papers
Probing the Microscopic Origin of Toughness in Multiple Polymer Networks
Nicholas H. P. Orr, Magali Le Goff, Burebi Yiming +6
Multiple polymer networks, such as double-network elastomers comprising a sacrificial and a matrix network, exhibit exceptional mechanical resilience, commonly attributed to the fo…
Self-induced marginality in plastically deformed crystals
Oguz Umut Salman, Aylin Ahadi, Lev Truskinovsky
Quasi-brittle plastic yielding is a salient feature of well-annealed glassy materials. Here we show that the same behavior is characteristic of perfect crystals after they experien…
Micro-displacement tensor
Giuseppe Zurlo, Lev Truskinovsky
We propose an extended kinematics of nominally elastic continuum solids allowing one to describe their mechanical interaction with micro-scale loading devices. The main new ingredi…
Quantifying the form-flow-saltation dynamics of aeolian sand ripples
J. M. Nield, M. C. Baddock, G. F. S. Wiggs +9
Ripples are the most fundamental and ubiquitous aeolian bedforms formed on sandy surfaces, but their small size and fast response times make them inherently difficult to measure. H…
Rare-event detection in a backward-facing-step flow using live optical-flow velocimetry: observation of an upstream jet burst
Juan Pimienta, Jean-Luc Aider
Rare and extreme events in turbulent flows play a critical role in transport, mixing and transition, yet are notoriously difficult to capture experimentally. Here we report, to our…
High Resolution and High-Speed Live Optical Flow Velocimetry
Juan Pimienta, Jean-Luc Aider
Particle Image Velocimetry (PIV) typically relies on cross-correlation,which makes it difficult to obtain instantaneous velocity fields that are both spatially dense and available…