Malpasset dam break 1959

The video shows the first 50 minutes of the Malpasset dam break, which took
place in south-west France on 2dn December 1959.The resulting flood caused $68
million worth of damages, and killed 421 persons.

The simulation was run on a GPU using an implementation of the Kurganov-Petrova
scheme from 2007. Simulation of the first hour after the breach took 13 minutes
on an NVIDIA GeForce GTX 285 (MSRP 349.90), 4.5 times faster than real-time.
The domain consists of 1099x439 = 480 000 cells, covering 16.5x6.5 km. The
simulation took 144 000 iterations to complete, translating to over 180
iterations per second. The implementation uses second-order accurate TVD
Runge-Kutta time integration, which translates to over 360 flux evaluations per
element per second.

This video was created during my three month stay at the National Center for Computational Hydroscience and Engineering.

Category:

Science & Technology

Tags:

• malpasset

[quazifnatik]

Great work indeed!

Question: did you try scaling up to, say, the GTX 580? :)

[babrodtk]

@quazifnatik I haven't run the code on the 580 yet (as I don't have one of those), but the code shows great scaling going from the GTX 285 to the GTX 480.

-A:)

[zottlRDK]

Great work! I'm currently working on some dam break evacuation model and would like to know the name of the software you used to visualise your results.

Thanks!

[babrodtk]

Hello zottIRDK,

and thanks for your kind words. You can also check out some of the papers that go with the videos. You should be able to find most of them on my webpage.

The visualization is made from scratch using OpenGL and C++.

-Andre

[tchort47]

c du pipi de chat ca lol

[tchort47]

@melende77 des effets speciaux a la Spielberg

[arsuryder]

Its very impartent

[hager999]

In this situation you'd wanna get in your Rubber Floaties, a snorkel, and goggles and hold onto a tree for dear fuckin' life.

[melende77]

@tchort47 la vague mesurait une hauteur de plus 50 mêtres au départ, je te rappelle que le barrage mesurait 60 mêtres de haut et qu'il a sauté, la vague a mis 21 min pour arriver à Fréjus, et lorsqu'elle est arrivée dans les faubourgs de Fréjus elle mesurait encore 10 mêtres de haut, elle a tout arraché sur son passage, c'était comme d'un tremblement de terre et d'un bombardement continus. Le bilan était de 423 morts, si c'est du " pipi de chat" pour toi, je ne sais pas ce qu'il te faut

[tchort47]

@melende77 ha bon tu vois une vague de 50m de haut la bravo

[melende77]

@tchort47

Une vague de 50mêtres de haut tu appelles ça du pipi de chat ?