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Finite Element Methods:Applied theory and theoretical applications

Andrew Gillette

Recruitment Workshop Presentation

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A problem at a large scale

(images from ligo.caltech.edu)Andrew Gillette - U. Arizona ( )Grad Recruitment Workshop Mar 2017 2 / 5

A problem at a small scale

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Mathematics for applicationsMathematics helps bridge the theory and application gap at any scale:

What partial differential equation correctly describes the physical reality?

Does the PDE have a unique solution, bounded in some norm?

How can you reliably compute an approximate solution to the PDE?

Is the solution method optimally efficient?

Ω

t↑

Real analysis

PDEs

Geometry / Topology

Combinatorics

A

x

=

b

Linear algebra

Numerical analysis

Focus of my research in these areas: the Finite Element Method

Andrew Gillette - U. Arizona ( )Grad Recruitment Workshop Mar 2017 4 / 5

Some statistics about finite element methods

Google Scholar search for “finite element method”:

1.3 million results; 6,780 results in 2017 alone

MathSciNet search for “finite element method” in title:

9345 results; 485 results in 2013 alone

Finite element methods offer a wealth of questions in bothmathematical theory and applications!

http://math.arizona.edu/∼agillette/

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