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This page is an overview, configuration and tasks for ISC22 Student Cluster Competition teams.

Table of Contents

References

Overview

FALL3D is a 3D model for atmospheric passive transport and deposition of particles, aerosols, and radionuclides. The model, originally developed for inert volcanic particles (tephra), has a track record of 50+ publications on different model applications and code validation, as well as an ever-growing community of users worldwide, including academia, private, research, and several institutions tasked with operational forecast of volcanic ash clouds.

Compiling FALL3D

Code Block
# fall3d-8.1.2.tar.gz will be provided during competition.

module load intel/2021.4
module load compiler/2021.4.0
module load mkl/2021.4.0
# Build netcdf and set include and lib paths

./configure -prefix=<install path> --enable-parallel

make clean
make -j 32 
make install

Running FALL3D

A sample example is available under Example directory.

Code Block
cd Example
NPROC=160
mpirun -np $NPROC <MPI Flags> Fall3d.r8.x Example.inp 8 5 4 -nens 1
# Make sure the process grid matches with NPROC, i.e. 8 * 5 * 4 = 160

Tasks and Submissions

Input is related Mount St. Helens eruption, https://www.usgs.gov/media/videos/mount-st-helens-eruption-may-18-1980.

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