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Global tsunami simulation GUI

by Maxim Vedenyov

 

01 Sep 2011

It is wave equation on sphere surface. Land influence neglected. There are colormap and lands veiw.

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Description

http://simulations.narod.ru/
Global tsunami can be started with asteroid impact or earthquake or thermonuclear bomb. It simulated with 2d wave equation. It is wave equation on sphere surface. Land influence neglected. triangular mesh used. The method is some kind of finite difference method. See fromulas in laplacian.jpg Matlab simulations.

run colormap_gui.m to run GUI with colormap visualization.

run land_gui.m to run GUI with land shape changing visualization.

colormap animation:
http://www.youtube.com/watch?v=8hBhah1pF-8

land shape changing animation:
http://www.youtube.com/watch?v=YZrEfyBWe6Y

Acknowledgements

The author wishes to acknowledge the following in the creation of this submission:
random unit vector generator, sphere without poles

MATLAB release MATLAB 7.11 (2010b)
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tsunami Maxim Vedenyov 01 Sep 2011 13:51:25
2012 Maxim Vedenyov 01 Sep 2011 13:51:25
wave equation Maxim Vedenyov 01 Sep 2011 13:51:25
sphere triangulation Maxim Vedenyov 01 Sep 2011 13:51:25
finite difference Maxim Vedenyov 01 Sep 2011 13:51:25

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