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\TITLE{A Finite Volume Technique for Hydrodynamic Inundation Modelling using the Python Programming Language}\\[5mm]
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\AUTHORS{Ole M. Nielsen $^1$}
\AFFILIATION{1}{Geoscience Australia, Canberra, Australia}
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Modelling the effects on the built environment of natural hazards such
as riverine flooding, storm surges and tsunami is critical for
understanding their economic and social impact on our urban
communities.  Geoscience Australia and the Australian National
University are developing a hydrodynamic inundation modelling tool
called ANUGA to help simulate the impact of these hazards.


The core of ANUGA is a Python implementation of a finite-volume method
for solving the Shallow Water Wave equation.  This method allows the
study area to be represented by an unstructured mesh with variable
resolution to suit the particular problem.  Another important
capability of ANUGA is that it can robustly model the process of wetting and
drying as water enters and leaves an area. This means that it is
suitable for simulating water flow onto a beach or dry land and around
structures such as buildings.


The talk outlines the model implementation, provides validation
results, identifies remaining challenges and describes its role within
the Australian Tsunami Warning System.
  


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