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This book introduces recently developed mixed finite element
methods for large-scale geophysical flows that preserve essential
numerical properties for accurate simulations. The methods are
presented using standard models of atmospheric flows and are
implemented using the Firedrake finite element library. Examples
guide the reader through problem formulation, discretisation, and
automated implementation. The so-called "compatible" finite element
methods possess key numerical properties which are crucial for
real-world operational weather and climate prediction. The authors
summarise the theory and practical implications of these methods
for model problems, introducing the reader to the Firedrake package
and providing open-source implementations for all the examples
covered. Students and researchers with engineering, physics,
mathematics, or computer science backgrounds will benefit from this
book. Those readers who are less familiar with the topic are
provided with an overview of geophysical fluid dynamics.
Many of us are completely unaware of how much sugar we're eating in
a single day. If you love sugar, but would like to be more in
control of your cravings, then 'Sugar: Sickly or Sweet' will give
you 14 steps you can take, whilst also providing some valuable
historic context to help you understand why our consumption of
sugar has increased to an average of 24 teaspoons per day and the
impact this increase is having on our bodies and minds.
This is a reproduction of a book published before 1923. This book
may have occasional imperfections such as missing or blurred pages,
poor pictures, errant marks, etc. that were either part of the
original artifact, or were introduced by the scanning process. We
believe this work is culturally important, and despite the
imperfections, have elected to bring it back into print as part of
our continuing commitment to the preservation of printed works
worldwide. We appreciate your understanding of the imperfections in
the preservation process, and hope you enjoy this valuable book.
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