Simulating Viscoplastic Avalanches.

We present a comparison between experiment and numerical results for the dam-break problem involving viscoplastic fluids. The laboratory experiment consists in releasing a fine volume of a viscoplastic fluid down inclined plane and tracking the evolution of the free surface. A finite volume, two-phase Navier-Stokes solver was extended to treat fluids with shear-rate dependent viscosity. A semiimplicit Chorin’s projection scheme in combination with a bi-conjugate gradient method is used.


Presented at:
SIAM Annual Meeting, San Diego, USA, July 7-11
Year:
2008
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 Record created 2008-07-16, last modified 2018-01-28

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