software:specfem3d:start
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software:specfem3d:start [2014/01/03 00:30] emheien [Tutorial 3: Mount St. Helens] |
software:specfem3d:start [2014/02/06 17:44] emheien |
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| [[http://geodynamics.org/cig/software/specfem3d|SPECFEM3D Software Page]] | [[http://geodynamics.org/cig/software/specfem3d|SPECFEM3D Software Page]] | ||
| + | |||
| + | ===== Development ===== | ||
| + | |||
| + | If you want to contribute to the source code, please refer to [[https://github.com/geodynamics/specfem3d/wiki/Git-tips-for-developers|https://github.com/geodynamics/specfem3d/wiki/Git-tips-for-developers]] for details. | ||
| ===== Tutorials ===== | ===== Tutorials ===== | ||
| + | |||
| + | Step-by-step tutorials how to run SPECFEM3D simulations | ||
| ==== Tutorial 1: Homogeneous halfspace ==== | ==== Tutorial 1: Homogeneous halfspace ==== | ||
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| === Downloading topography data === | === Downloading topography data === | ||
| - | You can get [[http://srtm.csi.cgiar.org|SRTM]] 90m Digital Elevation Data for a region of interest at: [[http://srtm.csi.cgiar.org|http://srtm.csi.cgiar.org]] | + | You can get [[http://srtm.csi.cgiar.org|SRTM]] 90m Digital Elevation Data for a region of interest at: [[http://srtm.csi.cgiar.org|http://srtm.csi.cgiar.org]] |
| For this example, we choose Mount St.Helens as region of interest. | For this example, we choose Mount St.Helens as region of interest. | ||
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| === Converting Geotif topography data === | === Converting Geotif topography data === | ||
| - | To convert the Geotif-file into an ''longitude/latitude/elevation'' format, you can use the package [[http://fwtools.maptools.org/|FWTools]] at: [[http://fwtools.maptools.org/|http://fwtools.maptools.org/]] | + | To convert the Geotif-file into an ''longitude/latitude/elevation'' format, you can use the package [[http://fwtools.maptools.org/|FWTools]] at: [[http://fwtools.maptools.org/|http://fwtools.maptools.org/]] |
| Install the package and use their ''gdal2xyz'' executable to extract the tif file into xyz format: | Install the package and use their ''gdal2xyz'' executable to extract the tif file into xyz format: | ||
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| To further extract and manipulate the topography data, you can use the package [[http://gmt.soest.hawaii.edu/|GMT]] at: [[http://gmt.soest.hawaii.edu/|http://gmt.soest.hawaii.edu/]] | To further extract and manipulate the topography data, you can use the package [[http://gmt.soest.hawaii.edu/|GMT]] at: [[http://gmt.soest.hawaii.edu/|http://gmt.soest.hawaii.edu/]] | ||
| - | For our purpose, the region of interest will be: | + | For our purpose, the region of interest will be: |
| - | -R-122.3/-122.1/46.1/46.3// | + | \ -R-122.3/-122.1/46.1/46.3// |
| that is a region of ~23 km x 23 km extent. | that is a region of ~23 km x 23 km extent. | ||
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| === Setting up example folder for simulations === | === Setting up example folder for simulations === | ||
| - | We will set up the example folder for simulation runs: All the steps and following decomposition, database generation and solver run are put in a ''process.sh'' bash script file in the example folder. | + | We will set up the example folder for simulation runs: All the steps and following decomposition, database generation and solver run are put in a ''process.sh'' bash script file in the example folder. |
| 1. In case you can run parallel programs on your desktop (needs an MPI installation), you can simply run the script: | 1. In case you can run parallel programs on your desktop (needs an MPI installation), you can simply run the script: | ||
software/specfem3d/start.txt · Last modified: 2015/02/11 17:45 by emheien
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