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  1. ConMan

    28 Oct 2021 | Software: Download | Contributor(s): Scott D. King, Arthur Raefsky, Brad Hager

    ConMan is a finite element program for the solution of the equations of incompressible, infinite-Prandtl number convection in two dimensions, originally written by Scott King, Arthur Raefsky, and Brad Hager. ConMan is a public domain program and is distributed free of charge to...

  2. Ellipsis3D

    28 Oct 2021 | Software: Download | Contributor(s): Richard Albert, Craig O'Neill

    Ellipsis3d is a three-dimensional version of the particle-in-cell finite element code Ellipsis, a solid modeling code for visco-elastoplastic materials. The particle-in-cell method combines the strengths of the Lagrangian and Eulerian formulations of mechanics while bypassing their limitations.

  3. HC

    28 Oct 2021 | Software: Download | Contributor(s): Thorsten Becker, Craig O'Neill

    HC is a global mantle circulation solver following Hager & O'Connell (1981) which can compute velocities, tractions, and geoid for simple density distributions and plate velocitiesThis particular implementation illustrates one possible way to combine the HC solver routines.

  4. PyLith

    27 Oct 2021 | Software: Download | Contributor(s): Brad Aagaard (primary-developer), Charles A. Williams (primary-developer), Matthew Knepley (primary-developer)

    PyLith is a finite-element code for dynamic and quasistatic simulations of crustal deformation, primarily earthquakes and volcanoes. Binaries are available. Detailed installation instructions for the binary packages are in the User Manual. Use the PyLith Installer to install from...

  5. Relax

    26 Oct 2021 | Software: Download | Contributor(s): Sylvain Barbot (primary-developer)

    Relax implements a semi-analytic Fourier-domain solver and equivalent body forces to compute quasi-static relaxation of stress perturbation. It is not an acronym, it's a motto! The open-source program Relax evaluates the displacement and stress in a half space with gravity due...

  6. Virtual Quake

    26 Oct 2021 | Software: Download | Contributor(s): John M. Wilson, Kasey W. Schultz, Eric M. Heiein, Michael K. Sacks, John B. Rundle

      Virtual Quake (formerly Virtual California) is a boundary element code that performs simulations of fault systems based on stress interactions between fault elements to understand long term statistical behavior.

  7. SELEN

    25 Oct 2021 | Software: Download | Contributor(s): Giorgio Spada (primary-developer), Daniele Melini (primary-developer)

    SELEN: a program for solving the "Sea Level Equation. The open source program SELEN solves numerically the so-called "Sea Level Equation" (SLE) for a spherical, layered, non-rotating Earth with Maxwell viscoelastic rheology. The SLE is an integral equation that was...

  8. LithoMop

    22 Oct 2021 | Software: Download | Contributor(s): Charles A. Williams (primary-developer)

    LithoMop is a finite element code for the solution of the visco-elastic/plastic deformation that was designed for lithospheric modeling problems. A newer version of LithoMop, called PyLith, has been released by CIG.

  9. Rayleigh

    22 Oct 2021 | Software: Download | Contributor(s): Nicholas Featherstone (primary-developer), Philip Edelmann (primary-developer), Rene Gassmoeller (primary-developer), Loren Matilsky (primary-developer), Ryan Orvedahl (primary-developer), Cian Wilson (primary-developer)

    Rayleigh is a 3-D convection code designed for the study of dynamo behavior in spherical shell geometry. It evolves the incompressible and anelastic MHD equations in spherical geometry using a pseudo-spectral approach. Rayleigh employs spherical harmonics in the horizontal direction....

  10. Gale

    22 Oct 2021 | Software: Download | Contributor(s): Louise Moresi (primary-developer), Walter Landry (primary-developer), Luke Hodkinson (primary-developer), Susan Kientz

    Gale is a 2D/3D code for the long-term tectonics community. The code solves problems related to orogenesis, rifting, and subduction. About the cover: A 3D simulation of a mid-ocean ridge courtesy of Garrett Ito.

  11. Plasti

    22 Oct 2021 | Software: Download | Contributor(s): Seam Willett (primary-developer), Chris Fuller (primary-developer)

    2D ALE (Arbitrary Lagrangian Eulerian) code donated to CIG by Sean Willett and Chris Fuller of the University of Washington. The code originated at Dalhousie University in Canada.

  12. SNAC

    22 Oct 2021 | Software: Download | Contributor(s): Eunseo Choi (primary-developer)

    Updated Lagrangian explicit finite difference code for modeling a finitely deforming elasto-visco-plastic solid in 3D. In SNAC, nodal velocities satisfying a weak-form of the momentum balance are obtained as the nodal solution. SNAC shares a mathematical foundation, and thus major...

  13. Calypso

    22 Oct 2021 | Software: Download | Contributor(s): Hiroaki Matsui (primary-developer)

    Calypso is a set of codes for magnetohydrodynamics (MHD) dynamo simulation in a rotating spherical shell using spherical harmonics expansion methods. Solve MHD equations in a rotating spherical shell Treat conductive fluid with Boussinesq approximation Inner core can have...

  14. SpatialData

    21 Oct 2021 | Software: Download | Contributor(s): Brad Aagaard (primary-developer)

    A library for specifying spatial variation of parameters for boundary conditions, material properties, etc. Includes support for geographic projectsion via Proj4 and nondimensionalization. Used in PyLith.

  15. Nemesis

    21 Oct 2021 | Software: Download | Contributor(s): Michael A.G. Alvazis (primary-developer), Leif Strand (primary-developer), Brad Aagaard (primary-developer)

    Nemesis is required for PyLith v1.x and v2.x Nemesis simply installs a pair of Python interpreters ('nemesis' and 'mpinemesis') which incorporate MPI and include Pythia's "_mpi" module.

  16. Pythia

    21 Oct 2021 | Software: Download | Contributor(s): Michael A.G. Alvazis (primary-developer), Leif Strand (primary-developer), Brad Aagaard (primary-developer)

    Pythia refers to the Pyre framework and a collection of packages that interact with it, such as an interface to the ACIS solid modelling package.

  17. Cigma

    21 Oct 2021 | Software: Download | Contributor(s): Brad Aagaard (primary-developer), Luis Armendariz (primary-developer), Susan Kientz

    The CIG Model Analyzer (Cigma) is a suite of tools that facilitates the comparison of numerical models, and performs error analysis, benchmarking, and code verification. About the cover: The cover image depicts Cigma’s 3D comparison between two different PyLith solutions to the...

  18. Exchanger

    21 Oct 2021 | Software: Download | Contributor(s): Eh Tan (primary-developer)

    Exchanger is a package containing several C++ base classes. These classes, when customized for a solver, can provide communication channels between solvers. This packaged is used by CitcomS for solver coupling.

  19. MAG

    21 Oct 2021 | Software: Download | Contributor(s): Gary Glatzmaier (primary-developer), Uli Christensen (primary-developer), Peter Olsen (primary-developer)

    MAG is a serial version of a rotating spherical convection/magnetoconvection/dynamo code, developed by Gary Glatzmaier and modified by Uli Christensen and Peter Olson.

  20. 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.

  21. 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.

  22. 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

  23. 2020 Numerical models of lower crustal flow explain Yellowstone's "tectonic parabola"

    07 Oct 2021 | Webinars | Contributor(s): Jonathan Perry-Houts

    Several hypotheses exist for the origin of the seismically active region of high topography surrounding the Yellowstone hotspot track. Among these is the idea that a dense mid-crustal sill has driven viscous lower crust away from the hotspot track, producing crustal thinning/subsidence in the...

  24. XSEDE 2021

    04 Oct 2021 | Documents | Contributor(s): CIG Staff

    XSEDE proposal and code scaling: September 2021

  25. XSEDE 2019

    04 Oct 2021 | Documents | Contributor(s): CIG Staff

    XSEDE proposal and code scaling: September 2019

  26. XSEDE 2018

    04 Oct 2021 | Documents | Contributor(s): CIG Staff

    XSEDE proposal and code scaling: January 2018

  27. XSEDE 2017 - Supplement

    04 Oct 2021 | Documents | Contributor(s): CIG Staff

    XSEDE proposal and code scaling, supplemental request: November 2017

  28. XSEDE 2017

    04 Oct 2021 | Documents | Contributor(s): CIG Staff

    XSEDE proposal and code scaling: January 2017

  29. XSEDE 2016

    04 Oct 2021 | Documents | Contributor(s): CIG Staff

    XSEDE proposal and code scaling: January 2016

  30. XSEDE 2014

    04 Oct 2021 | Documents | Contributor(s): CIG Staff

    XSEDE proposal and code scaling: September 2014

  31. BurnMan

    13 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...

  32. 2021 CIG Community Research Highlights

    02 Aug 2021 | Documents | Contributor(s): Lorraine Hwang

    Research highlights solicited from the community for CIG IV, 

  33. 2021 CIG Developers Workshop Survey

    14 Jul 2021 | Workshops | Contributor(s): Organizing Committee

    2021 CIG Developers Workshop Survey. February 23 & 25, 2021. 

  34. 2021 CIG Developers Workshop Report

    14 Jul 2021 | Workshops | Contributor(s): Organizing Committee

    2021 CIG Developers Workshop Report. February 23 & 25, 2021.   

  35. Opportunities and Challenges in Computational Geophysics

    23 Jun 2021 | Workshops | Contributor(s): Michael Gurnis, Omar Ghattas

    Opportunities and Challenges in Computational Geophysics. November 28, 2007. Michael Gurnis, Omar Ghattas. 

  36. Adaptive Mesh Refinement

    08 Jun 2021 | Workshops | Contributor(s): Wolfgang Bangerth

    Adaptive Mesh Refinement. October 16-18, 2006. Wolfgang Bangerth. 

  37. Software Best Practices Table

    21 May 2021 | Documents | Contributor(s): CIG Admin, CIG

    Summary table of CIG Software Best Practices

  38. Jupyter Notebook

    26 Apr 2021 | Software: Launch | Contributor(s): Erich Huebner

    Starts the Jupyter notebook server in your "notebooks" directory in your home directory.

  39. Workspace

    26 Apr 2021 | Software: Launch | Contributor(s): Erich Huebner

    Development Workspace

  40. Fast Algorithms for Inverse Problems Governed by PDEs

    12 Apr 2021 | Workshops | Contributor(s): George Biros

    Fast algorithms for inverse problems governed by PDEs. September 15-17, 2008. George Biros. 

  41. Adjoint-Fueled Advances in Error Estimation for Multiscale, Multiphysics Systems

    12 Apr 2021 | Workshops | Contributor(s): Donald Estep

    Adjoint-Fueled Advances in Error Estimation for Multiscale, Multiphysics Systems. September 15-17, 2008. Donald Estep. 

  42. Non-Deterministic Approaches to Inverse Problems

    12 Apr 2021 | Workshops | Contributor(s): Malcolm Sambridge, Thomas Bodin

    Non-deterministic approaches to inverse problems. September 15-17, 2008. Malcolm Sambridge, Thomas Bodin. 

  43. Multilevel Modeling: Multigrid's Lost Twin

    12 Apr 2021 | Workshops | Contributor(s): David Moulton

    Multilevel Modeling: Multigrid’s Lost Twin. September 15-17, 2008. David Moulton. 

  44. Multiscale Finite Element Methods using Limited Global Information

    12 Apr 2021 | Workshops | Contributor(s): Yalchin Efendiev

    Multiscale finite element methods using limited global information. September 15-17, 2008. Yalchin Efendiev. 

  45. Multiscale Finite Element Methods for Heterogeneous Porous Media

    12 Apr 2021 | Workshops | Contributor(s): Todd Arbogast

    Multiscale Finite Element Methods for Heterogeneous Porous Media. September 15-17, 2008. Todd Arbogast.  

  46. Problems in Solid Earth Deformation: Crust and Upper Mantle

    12 Apr 2021 | Workshops | Contributor(s): Yuri Fialko

    Problems in Solid Earth Deformation: Crust and Upper Mantle. September 15-17, 2008. Yuri Fialko. 

  47. Constraining the Physics Governing Collective Behavior of Earthquakes and Faults through Numerical Modeling and Observations

    12 Apr 2021 | Workshops | Contributor(s): Yehuda Ben-Zion

    Constraining the physics governing collective behavior of earthquakes and faults through numerical modeling and observations. September 15-17, 2008. Yehuda Ben-Zion. 

  48. Current challenges in computational earthquake dynamics

    12 Apr 2021 | Workshops | Contributor(s): Jean-Paul Ampuero

    Current challenges in computational earthquake dynamics. September 15-17, 2008. Jean-Paul Ampuero. 

  49. Robust and Flexible Newton-Krylov based Solution Methods for Nonlinear Coupled Multiphysics Systems

    12 Apr 2021 | Workshops | Contributor(s): John Shadid

    Robust and Flexible Newton-Krylov based Solution Methods for Nonlinear Coupled Multiphysics Systems. September 15-17, 2008. John Shadid. 

  50. Multi-physics/Multi-Scale Methods I: Methods for Multi-physics Coupled Solvers

    12 Apr 2021 | Workshops | Contributor(s): Daniel Reynolds

    Multi-physics/Multi-Scale Methods I: Methods for Multi-physics Coupled Solvers. September 15-17, 2008. Daniel Reynolds.