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Multiphase Hele-Shaw Flows: from Beaches to Dredgers - School of ...

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Maths <strong>of</strong> <strong>Hele</strong>-<strong>Shaw</strong> Beach<br />

<strong>Hele</strong>-<strong>Shaw</strong><br />

<strong>Flows</strong><br />

Onno<br />

Bokhove<br />

Introduction<br />

Design<br />

Wave<br />

Breaking<br />

Specifications quasi-2D dynamics in <strong>Hele</strong>-<strong>Shaw</strong> cell:<br />

2 vertical glass plates: 0.6 × 0.3 × 2l or 1 × 0.3 × 2lm 3<br />

filled with water & particles d ≤ 2lmm<br />

wave-maker: moving rod; f ∼ 1 Hz.<br />

What should half gap width l be<br />

Beach<br />

Morphology<br />

Challenges<br />

Conclusions

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