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  1. TauP

    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...

  2. 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...

  3. 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...

  4. 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...

  5. 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...

  6. 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.

  7. 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...

  8. 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...

  9. 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...

  10. 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...

  11. 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...

  12. 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.

  13. 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.

  14. 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

  15. 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...

  16. Mantle-scale geodynamics

    30 Mar 2021 | Workshops | Contributor(s): Louis Moresi

    Mantle-scale geodynamics. Sept 15-17, 2008. Louis Moresi. 

  17. 3D Spherical Mantle Convection Calculations using the Yin-Yang grid

    30 Mar 2021 | Workshops | Contributor(s): Paul Tackley

    3D Spherical Mantle Convection Calculations using the Yin-Yang grid. July 9-11, 2008. Paul Tackley. 

  18. Spectral Methods for Mantle Convection with 3D Viscosity Variations

    30 Mar 2021 | Workshops | Contributor(s): Robert Moucha

    Spectral Methods for Mantle Convection with 3D Viscosity Variations. July 9-11, 2008. Robert Moucha. 

  19. Some aspects of phase transitions and mantle convection

    30 Mar 2021 | Workshops | Contributor(s): Luce Fleitout

    Some aspects of phase transitions and mantle convection. July 9-11, 2008. Luce Fleitout. 

  20. The Role of Mantle Tractions and the Crust

    30 Mar 2021 | Workshops | Contributor(s): Lucy Flesch

    The Role of Mantle Tractions and the Crust. July 9-11, 2008. Lucy Flesch. 

  21. A Recent Free Subduction Benchmark

    30 Mar 2021 | Workshops | Contributor(s): Boris Kaus

    A Recent Free Subduction Benchmark (or, how a simple test can cause a major headache) July 9-11, 2008. Boris Kaus. 

  22. The Portable Extensible Toolkit for Scientific Computing

    30 Mar 2021 | Workshops | Contributor(s): Matthew Knepley

    The Portable Extensible Toolkit for Scientific Computing. July 9-11, 2008. Matthew Knepley. 

  23. Next Generation Parallel Machines

    30 Mar 2021 | Workshops | Contributor(s): Bill Broadley

    Next Generation Parallel Machines. July 9-11, 2008. Bill  Broadley. 

  24. 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. 

  25. Multigrid Methods

    23 Mar 2021 | Workshops | Contributor(s): Shijie Zhong

    Multigrid Methods. July 9-11, 2008. Shijie Zhong. 

  26. Modelling Deforming Interfaces using Level Sets

    23 Mar 2021 | Workshops | Contributor(s): Hans Muhlhaus, Laurent Bourgouin, Lutz Gross

    Modelling Deforming Interfaces using Level Sets. July 9-11, 2008. Hans Mühlhaus, Laurent Bourgouin and Lutz Gross. 

  27. Modeling Lithospheric Deformation with Faults

    23 Mar 2021 | Workshops | Contributor(s): Mian Liu

    Modeling Lithospheric Deformation with Faults. July 9-11, 2008. Mian Liu. 

  28. Modeling Sources of Stress and Topography

    23 Mar 2021 | Workshops | Contributor(s): C. Lithgow-Bertelloni, J. Naliboff, C. Conrad, N. de Koker

    Modeling Sources of Stress and Topography. July 9-11, 2008. C.Lithgow-Bertelloni, J. Naliboff, C. Conrad and N. de Koker. 

  29. Mantle Convection, Plate Boundaries and Plasticity

    23 Mar 2021 | Workshops | Contributor(s): Dave May, Louis Moresi, Hans Muhlhaus, Mirko Velic, Wendy Sharples, Dave Stegman

    Mantle convection, plate boundaries and plasticity. July 9-11, 2008. Dave May, Louis Moresi, Hans Mühlhaus, Mirko Velic, Wendy Sharples, Dave Stegman.

  30. Magmatism, Faulting, & Morphology of Mid-Ocean Ridges

    23 Mar 2021 | Workshops | Contributor(s): Garrett Ito, Mark Behn

    Magmatism, Faulting, & Morphology of Mid-Ocean Ridges. July 9-11, 2008. Garrett Ito, Mark Behn. 

  31. Lagrangian Finite Element Methods

    23 Mar 2021 | Workshops | Contributor(s): Boris Kaus

    Lagrangian Finite Element Methods for modelling long-term tectonic processes. July 9-11, 2008. Boris Kaus. 

  32. Interactive Visualization Tools for Large-Scale Dynamic Simulations

    23 Mar 2021 | Workshops | Contributor(s): Oliver Kreylos

    Interactive Visualization Tools for Large-Scale Dynamic Simulations. July 9-11, 2008. Oliver Kreylos. 

  33. Implementing Surface Erosion Processes in Geodynamic Models

    23 Mar 2021 | Workshops | Contributor(s): Sean Willett, Frederic Herman, Jean Braun

    Implementing Surface Erosion Processes in Geodynamic Models. July 9-11, 2008. Sean Willett, Frederic Herman, Jean Braun. 

  34. Grain size-dependent viscosity convection

    23 Mar 2021 | Workshops | Contributor(s): Slava Solomatov

    Grain size-dependent viscosity convection. July 9-11, 2008. Slava Solomatov. 

  35. GPlates and Mantle Convection

    23 Mar 2021 | Workshops | Contributor(s): Michael Gurnis

    GPlates and Mantle Convection. July 9-11, 2008. Michael Gurnis. 

  36. Gale

    23 Mar 2021 | Workshops | Contributor(s): Walter Landry

    Gale.July 9-11, 2008. Walter Landry. 

  37. Exchanger

    23 Mar 2021 | Workshops | Contributor(s): Eh Tan, Eun-seo Choi, Mike Gurnis, Puru Thoutireddy, Michael Aivazis

    Exchanger - coupling multiple solvers for mantle convection. July 9-11, 2008. Eh Tan, Eun-seo Choi, Mike Gurnis, Puru Thoutireddy, Michael Aivazis. 

  38. Data Assimilation Methods in Geodynamical Models

    23 Mar 2021 | Workshops | Contributor(s): Alik Ismail-Zadeh, Gerald Schubert, Igor Tsepelev, Alex Korotkii

    Data Assimilation Methods in Geodynamical Models. July 9-11, 2008. Alik Ismail-Zadeh, Gerald Schubert, Igor Tsepelev & Alex Korotkii. 

  39. Convergent margins processes

    23 Mar 2021 | Workshops | Contributor(s): E. Burov

    Convergent margins processes. July 9-11, 2008. E. Burov. 

  40. Chemical Heterogeneity - Tracers and Entrainment

    23 Mar 2021 | Workshops | Contributor(s): Allen K. McNamara

    Chemical Heterogeneity - Tracers and Entrainment. July 9-11, 2008.Allen K. McNamara. 

  41. Anisotropic Convection

    23 Mar 2021 | Workshops | Contributor(s): Einat Lev

    Anisotropic Convection. July 9-11, 2008. Einat Lev.

  42. Adaptive Finite Element Methods For Geodynamics

    23 Mar 2021 | Workshops | Contributor(s): J. Huw Davies

    Adaptive Finite Element Methods For Geodynamics. July 9-11, 2008. J. Huw Davies. 

  43. CIG Business Meeting 2007 Presentations

    07 Feb 2021 | Documents | Contributor(s): Staff

    PDF presentations given at the CIG Business Meeting on December 11, 2007, in San Francisco during the annual AGU Meeting.

  44. CIG Business Meeting 2009 Presentations

    07 Feb 2021 | Documents | Contributor(s): Staff

    CIG Business Meeting 2009 Presentation.Movie Files and Other Supporting Material.Ehler.

  45. CIG Business Meeting 2008 Presentations

    07 Feb 2021 | Documents | Contributor(s): Staff

    CIG Business Meeting 2008 Presentations.December 16, 2008.CIG Business Meeting: The Future of CIG, presented by Marc Spiegelmann (Columbia), EC Chair.CIG-II, presented by Louise Kellogg (UC Davis), SSC Chair.

  46. SSC May 2008 Meeting Presentations

    07 Feb 2021 | Documents | Contributor(s): Staff

    Presentations from the SSC Meeting held at CIG on May 29-30, 2008.

  47. Expanding Computational Infrastructure: The First 5 Years of CIG

    07 Feb 2021 | Documents | Contributor(s): Staff

    Expanding Computational Infrastructure: The First 5 Years of CIG.Parts 1 & 2.

  48. 2013 CIG Strategic Plan & Annual Report

    07 Feb 2021 | Documents | Contributor(s): Staff

    2013-2014 Strategic Plan & Annual Report.June 2013.

  49. 2009 CIG Annual Report

    07 Feb 2021 | Documents | Contributor(s): Staff

    Annual Report:Aug. 31, 2009. 

  50. 2007 CIG Five-Year Strategic Plan

    07 Feb 2021 | Documents | Contributor(s): Staff

    Five-Year Strategic Plan: Sept. 1, 2007 to Aug. 31, 2012.