Journal
PHYSICAL REVIEW LETTERS
Volume 123, Issue 21, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.123.214504
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Funding
- Engineering and Physical Sciences Research Council of the United Kingdom [EP/N024915/1]
- European Research Council under the Horizon 2020 Programme, ERC Grant [740269]
- Royal Society
- Maudslay-Butler Research Fellowship at Pembroke College, Cambridge
- EPSRC [EP/N024915/1] Funding Source: UKRI
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We develop a tensorial constitutive model for dense, shear-thickening particle suspensions subjected to time-dependent flow. Our model combines a recently proposed evolution equation for the suspension microstructure in rate-independent materials with ideas developed previously to explain the steady flow of shear-thickening ones, whereby friction proliferates among compressive contacts at large particle stresses. We apply our model to shear reversal, and find good qualitative agreement with particle-level, discrete-element simulations whose results we also present.
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