Global ETD Search
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Showing 1 to 4 of 4 for “"fingering instabilities"”.
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Viscous fingering instabilities and gravity currents.–—
This thesis examines the possible instability of radially spreading interfaces to the formation of fingers that break the axial symmetry. A well-known example of this occurs when a less viscous fluid displaces a more viscous immiscible fluid either in a porous medium or in a Hele-Shaw cell, which …
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Viscous Fingering Instability of Complex Fluids in a Radial Hele-Shaw Cell
… through the displaced one. In this work, viscous fingering instabilities involving complex fluids in a radial Hele-Shaw is investigated. Many fluids in our lives such as shaving foams, glues, flour-water dough, mayonnaise, and paints are complex fluids which exhibit multiple non-Newtonian …
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Instabilities in newtonian films and nematic liquid crystal droplets
The instabilities of Newtonian films and nematic liquid crystal droplets within the framework of the long wave (lubrication) approximation are studied. For Newtonian films, it is found that, under destabilizing gravitational force, a contact line, modeled by a commonly used precursor film model, …
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Describing motions in biological tissues: a continuum active model and improving measurements
… We can explain the propensity of tissues to fingering instabilities, as conditioned by the magnitude of active traction and the growth kinetics. We are also able to derive predictions for the tumour size at the onset of metastasis, and predictions for the number of subsequent invasive …