3D waveform partial derivative calculation software for 1D Earth models
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README.md

Welcome to DSM Kernel Suite!

This suite of programmes is to calculate 3D finite frequency Fréchet sensitivity kernels (or 3D waveform partial derivatives) for 1D reference Earth models using Direct Solution Method. It consists of forward and back propagated strain Green's function calculation in a 2D plane, cross correlations of forward and back propagated wavefields to obtain sensitivity kernels. We developed also visualisation facilities of kernels. Those who would like to get kernels by comparing observed and synthetic waveforms, we developed python interface for that purpose as well. All the main motors are parallelised and you just have to submit prepared scripts.

Programmes inside DSM Kernel Suite

DSM Kernel Suite have five independent programmes for each step. If you fetch the application's source with git, this dependency will be fetched automatically.

  • SGTpsv : Green's function calculation for PSV mode (MPI fortran, NF)
  • SGTsh : Green's function calculation for SH mode (MPI fortran, NF)
  • wave2kernel : visualisation of SAC files in order to compare them with synthetics and to decide which phase (python, HJ)
  • KernelMaker : 3D Frchet derivatives calculation (MPI fortran, NF)
  • KernelViewer : 3D Kernel visualisation facilities (python, MM)
  • ModelDrawer : 1D model ASCII file generator from polynomial model file (NF)

recommended requirements:

optional requirements:

Build and Install

  • Now you just have to generate executables by `./configure; make'
  • If you want to change the compile options you should write `./configure FCFLAGS="-O3 ...";make'

Examples

Kernel Gallery

Papers to be cited

Fuji, N., Chevrot, S., Zhao, L., Geller, R.J., Kawai, K. (2012) Finite-frequency structural sensitivities of short-period compressional body waves, Geophys. J. Int., 190, 522-540.

Authors and Contributors

All rights reserved, 2016, Nobuaki Fuji @seismobassoon, Matthias Meschede @MMesch, Kensuke Konishi @kensuke1984, Hugo Jaegler @hJaegler, Kenji Kawai, Li Zhao, Sebastien Chevrot, Robert J. Geller, Vadim Monteiller, Dimitri Komatitsch, Marie Calvet, Hiromitsu Mizutani

Support or Contact

Having trouble with DSM Kernel Suite? Check out our documentation or contact support and we will help you sort it out.

Legal info

DSM Kernel Suite is Free/Libre/Open Source software and available under the GPLv3 license (License). A list of contributors can be found in the about dialog.