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Numerical simulation of lava flow using a GPU SPH model
Author(s)
Language
English
Obiettivo Specifico
3.6. Fisica del vulcanismo
Status
Published
JCR Journal
JCR Journal
Peer review journal
Yes
Title of the book
Issue/vol(year)
5/54 (2011)
Pages (printed)
600-620
Issued date
2011
Keywords
Abstract
A smoothed particle hydrodynamics (SPH) method for lava-flow modeling was implemented on a graphical processing unit (GPU) using the compute unified device architecture (CUDA) developed by NVIDIA. This resulted in speed-ups of up to two orders of magnitude. The three-dimensional
model can simulate lava flow on a real topography with free-surface, non-
Newtonian fluids, and with phase change. The entire SPH code has three main components, neighbor list construction, force computation, and integration of the equation of motion, and it is computed on the GPU,
fully exploiting the computational power. The simulation speed achieved is one to two orders of magnitude faster than the equivalent central processing unit (CPU) code. This GPU implementation of SPH allows
high resolution SPH modeling in hours and days, rather than in weeks and months, on inexpensive and readily available hardware.
model can simulate lava flow on a real topography with free-surface, non-
Newtonian fluids, and with phase change. The entire SPH code has three main components, neighbor list construction, force computation, and integration of the equation of motion, and it is computed on the GPU,
fully exploiting the computational power. The simulation speed achieved is one to two orders of magnitude faster than the equivalent central processing unit (CPU) code. This GPU implementation of SPH allows
high resolution SPH modeling in hours and days, rather than in weeks and months, on inexpensive and readily available hardware.
Type
article
File(s)
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Name
Herault et al 2011.pdf
Size
2.27 MB
Format
Adobe PDF
Checksum (MD5)
7ff9dad997ba647510aa184efd7be620