SPECFEM3D Cartesian

SPECFEM3D Cartesian, simulates acoustic (fluid), elastic (solid), coupled acoustic/elastic, poroelastic or seismic wave propagation in any type of conforming mesh of hexahedra (structured or not.) It can, for instance, model seismic waves propagating in sedimentary basins or any other regional geological model following earthquakes. It can also be used for non-destructive testing or for ocean acoustics.

Useful Links

• SPECFEM3D User Resources
• SPECFEM3D Wiki

Using SPECFEM3D Cartesian on Cirrus

SPECFEM3D Cartesian is freely available to all Cirrus users.

Running parallel SPECFEM3D Cartesian jobs

SPECFEM3D can exploit multiple nodes on Cirrus and will generally be run in exclusive mode over more than one node. Furthermore, it can be run on the GPU nodes.

For example, the following script will run a SPECFEM3D job using 4 nodes (144 cores) with pure MPI.

#!/bin/bash --login

# Slurm job options (name, compute nodes, job time)
#SBATCH --job-name=SPECFEM3D_Example
#SBATCH --time=1:0:0
#SBATCH --exclusive
#SBATCH --nodes=4
#SBATCH --tasks-per-node=36
#SBATCH --cpus-per-task=1


# Replace [budget code] below with your project code (e.g. t01)
#SBATCH --account=[budget code]
# Replace [partition name] below with your partition name (e.g. standard,gpu)
#SBATCH --partition=[partition name]
# Replace [qos name] below with your qos name (e.g. standard,long,gpu)
#SBATCH --qos=[qos name]


# Load SPECFEM3D module
module load specfem3d

# Run using input in input.namd
srun xspecfem3D