Geodynamics - Resources: All

29 Feb 2024 | Software: Download | Contributor(s): H. Philip Crotwell (primary-developer), Thomas J. Owens

The TauP Toolkit is a seismic travel time calculator. In addition to travel times, it can calculate derivative information such as ray paths through the earth, pierce and turning points. It handles many types of velocity models and can calculate times for virtually any seismic phase with a...

2023 PyLith Hackathon

02 Aug 2023 | Workshops | Contributor(s): Brad Aagaard

Workshop report

SPECFEM3D Cartesian

30 Oct 2021 | Software: Download | Contributor(s): Dimitri Komatitsch (primary-developer), Jean-Pierre Vilotte (primary-developer), Jeroen Tromp (primary-developer), Daniel Peter (primary-developer), SPECFEM Development Team

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...

SPECFEM3D GLOBE

30 Oct 2021 | Software: Download | Contributor(s): Dimitri Komatitsch (primary-developer), Jean-Pierre Vilotte, Jeroen Tromp (primary-developer), Daniel Peter (primary-developer), SPECFEM Development Team

SPECFEM3D_GLOBE simulates global and regional (continental-scale) seismic wave propagation.Effects due to lateral variations in compressional-wave speed, shear-wave speed, density, a 3D crustal model, ellipticity, topography and bathymetry, the oceans, rotation, and self-gravitation are all...

SPECFEM3D_GEOTECH

29 Oct 2021 | Software: Download | Contributor(s): Hom Nath Gharti, Dimitri Komatitsch, Leah Langer, Roland Martin, Voker Oye, Jeroen Tromp, Uno Vaaland, Zhenshen Yan

SPECFEM3D_GEOTECH is an open-source command-driven software for 3D slope stability analysis and simulation of 3D multistage excavation based on the spectral-element method.SPECFEM3D_GEOTECH is a free and open-source command-driven software for 3D slope stability analysis (for more details see...

SPECFEM2D

29 Oct 2021 | Software: Download | Contributor(s): Dimitri Komatitsch (primary-developer), Jean-Pierre Vilotte (primary-developer), Daniel Peter (primary-developer), SPECFEM Software Development Team

SPECFEM2D simulates forward and adjoint seismic wave propagation in two-dimensional acoustic, (an)elastic, poroelastic or coupled acoustic-(an)elastic-poroelastic media, with Convolution PML absorbing conditions.Meshing is based for instance upon Gmsh, Cubit, GiD or a...

SPECFEM1D

29 Oct 2021 | Software: Download | Contributor(s): SPECFEM Development Team

SPECFEM1D simulates seismic wave propagation in a one-dimensional heterogeneous medium. It is a small code that allows users to learn how a spectral-element program is written.See specfem.org.

SW4

29 Oct 2021 | Software: Download | Contributor(s): N. Anders Petersson, Bjorn Sjögreen, Houjun Tang, Ramesh Pankajakshan

SW4 implements substantial capabilities for 3-D seismic modeling, with a free surface condition on the top boundary, absorbing super-grid conditions on the far-field boundaries, and an arbitrary number of point force and/or point moment tensor source terms. Each source time function can have one...

AxiSEM

28 Oct 2021 | Software: Download | Contributor(s): Tarje Nissen-Meyer (primary-developer), Martin van Driel (primary-developer), Simon Stähler (primary-developer), Kasra Hosseini (primary-developer), Stefanie Hempel (primary-developer), Lion Krischer (primary-developer), Alexandre Fournier (primary-developer)

AxiSEM is a parallel spectral-element method for 3D (an-)elastic, anisotropic and acoustic wave propagation in spherical domains. It requires axisymmetric background models and runs within a 2D computational domain, thereby reaching all desired highest observable frequencies (up to 2Hz) in global...

SEISMIC_CPML

28 Oct 2021 | Software: Download | Contributor(s): Dimitri Komatitsch, Roland Martin

SEISMIC_CPML is a set of eleven open-source Fortran90 programs to solve the two-dimensional or three-dimensional isotropic or anisotropic elastic, viscoelastic or poroelastic wave equation using a finite-difference method with Convolutional or Auxiliary Perfectly Matched Layer (C-PML or...

FLEXWIN

28 Oct 2021 | Software: Download | Contributor(s): Alessia Maggi

The FLEXWIN software package automates the time-window selection problem for seismologists. It operates on pairs of observed and synthetic single component seismograms, defining windows that cover as much of a given seismogram as possible, while avoiding portions of the waveform that are...

Mineos

28 Oct 2021 | Software: Download | Contributor(s): Guy Masters (primary-developer), John Woodhouse (primary-developer), Freeman Gilbert (primary-developer), Michael Ritzwoller (primary-developer), Misha Barmine, Sue Kientz

Mineos computes synthetic seismograms in a spherically symmetric non-rotating Earth by summing normal modes.Attenuation, gravity and transversal anisotropy effects may be optionally taken into account. The package computes mode eigenfrequencies and eigenfunctions, Green's functions and...

Responsibilities of Working Groups

12 Oct 2021 | Documents | Contributor(s): Executive Committee, Science Steering Committee

Roles and responsibilities of Working Groups.Approved 24 August 2021.

Responsibilities of the SSC

12 Oct 2021 | Documents | Contributor(s): Executive Committee, Science Steering Commitee

Roles and responsibilities of the Science Steering Committee.Approved 24 August 2021.

Responsibilities of the EC

12 Oct 2021 | Documents | Contributor(s): Executive Committee, Science Steering Committee

Describes the roles and responsibilities of the Executive Committee.Approved 24 August 2021

BurnMan

14 Sep 2021 | Software: Download | Contributor(s): Sanne Cottaar, Timo Heister, Robert Myhill, Ian Rose, Cayman Unterborn

BurnMan is an open source mineral physics toolbox written in Python to determine seismic velocities for the lower mantle. BurnMan calculates the isotropic thermoelastic moduli by solving the equations-of-state for a mixture of minerals defined by the user. The user may select from a list of...

Computational Science Roundtable Discussion

01 Apr 2021 | Workshops | Contributor(s): Staff

Computational Science Roundtable Discussion. October 16-18, 2006.

CIG Bylaws 2018

30 Mar 2021 | Documents | Contributor(s): Staff

Bylaws of Computational Infrastructure for Geodynamics (CIG). As amended by the Electorate, June 30, 2018.

Spectral-Element and Adjoint Methods in Seismology

11 Feb 2021 | Workshops | Contributor(s): Jeroen Tromp

Spectral-Element and Adjoint Methods in Seismology. October 16-18, 2006. Jeroen Tromp.

An Architecture for Composing Solvers

11 Feb 2021 | Workshops | Contributor(s): Barry Smith

An Architecture for Composing Solvers - Case study of PETSc. October 16-18, 2006. Barry Smith.

Going Beyond an Elastic Halfspace

11 Feb 2021 | Workshops | Contributor(s): Mark Simons, Eric Hetland, Mark Turner

Going Beyond an Elastic Halfspace - CIG Short-Term Crustal Dynamics. October 16-18, 2006. Mark Simons, Eric Hetland, and Mark Turner.

Plumbing the Depths: Computational Challenges for Magma Dynamics in Earth Sciences

11 Feb 2021 | Workshops | Contributor(s): Marc Spiegelman, Richard Katz

Plumbing the Depths: Computational Challenges for Magma Dynamics in Earth Sciences. October 16-18, 2006. Marc Spiegelman, Richard Katz.

An Overview of the Application of Newton-Krylov based Solution Methods for Nonlinear Multiple-time-scale PDE Systems

11 Feb 2021 | Workshops | Contributor(s): John Shahid

An Overview of the Application of Newton-Krylov based Solution Methods for Nonlinear Multiple-time-scale PDE Systems. October 16-18, 2006. John Shahid .

Scalable Techniques for Scientific Visualization

11 Feb 2021 | Workshops | Contributor(s): Claudio Silva

Scalable Techniques for Scientific Visualization. October 16-18, 2006. Claudio Silva.

Modeling Geophysical Mass Flows – Mesh(Free), Model and Parameter Adaptivity

11 Feb 2021 | Workshops | Contributor(s): Abani Patra

Modeling Geophysical Mass Flows – Mesh(Free), Model and Parameter Adaptivity. October 16-18, 2006. Abani Patra.

Improving Scalability of Sparse Direct Linear Solvers

11 Feb 2021 | Workshops | Contributor(s): X. Sherry Li

Improving Scalability of Sparse Direct Linear Solvers. October 16-18, 2006. X. Sherry Li.

Scientific and computational challenges in simulating fluid-rock interaction

11 Feb 2021 | Workshops | Contributor(s): Mousumi Roy

Scientific and computational challenges in simulating fluid-rock interaction and its role in the long-term tectonics of continental lithosphere. October 16-18, 2006.Mousumi Roy.

Grid Refinement and Parallel computing for mantle convection and Thermochemical Convection

11 Feb 2021 | Workshops | Contributor(s): Scott King, Peter van Keken

Grid Refinement and Parallel computing for mantle convection and Thermochemical Convection. October 16-18, 2006. Scott King, Peter van Keken.

Besides Teraflops: Getting More from Big Iron

11 Feb 2021 | Workshops | Contributor(s): Tiankai Tu

Besides Teraflops: Getting More from Big Iron. October 16-18, 2006. Tiankai Tu.

CIG Business Meeting 2007 Presentations