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Open Access item The dynamics of small bodies suspended in low Reynolds number flows: Applications in physics and biology.
|Publisher:||Universidad de las Islas Baleares|
|Abstract:||We live in a fluid world. The vast majority of our body is fluid as the vast majority
of our external environment is. From any single cell to complex ecosystems,
we belong to a fluid reality. Hence, most of the phenomena that surround
us and constitute our existence, have to do, in one way or another, with
fluids. And we know they comprise a rich and complex world. This Thesis has
been an exploration of that world.
We have asked ourselves questions about the dynamics of bodies in fluid
lows; questions about their transport, growth, mixing, reaction, control and
cooperative behavior. To answer these questions, we have developed and explored
appropriate theoretical frameworks. We have analyzed and modelled
a variety of instances in which the motion of a body in a fluid environment
determines a given process. In the process, I believe, we have also opened
new and interesting questions to be answered in the future.
We have directed our exploration towards two goals: On one hand, the
solution of different fluid.
On the other hand, the exploration of an increasing complexity of the internal
dynamics of the studied bodies and of the fluid body interaction.
Our motivating problems have been of widely interdisciplinary nature. We
have explored technological applications in the miniaturization industry, biological
processes that determines the left right pattering of our body plan,
micro-ecological instances where cooperative behavior enhances colony survival,
crystallization of inorganic substances where fluid mediated symmetry
breaking events take place and subtle mechanisms that lead to an inhomogeneous
distribution of passive particle in three dimensional chaotic flows.
What did I learn? First of all I learned to explore. I have learned to look for
the appropriate tools in order to progress between each landmark in my road.
From classical hydrodynamics to dynamical systems methods. From numerical
simulations to direct experimentation. Above all, I found in the synergia of
theoretical thinking, numerical simulations and laboratory experiments, the
most exciting and eficient way into the scientific knowledge.|
|Description:||198 págs.-- Texto en inglés.-- Tesis doctoral de la Universidad de las Islas Baleares, Facultad de Física y del Departamento de Física Interdisciplinar del Instituto Mediterráneo de Estudios Avanzados (IMEDEA-CSIC/UIB).-- Fecha de lectura: 01-06-2005.|
|Appears in Collections:||(IFISC) Tesis|
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