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  1. 2020 Crustal Deformation Modeling Workshop Report

    27 Jul 2022 | Contributor(s): Brad Aagaard, Sylvain Barbot, Brittany Erickson, Matthew Knepley, Mark Simons, Charles Williams

    Workshop report

  2. 2021 CIG

    18 Nov 2021 | Contributor(s): CIG Staff

    Presentation and recording of the 2021 CIG Annual Business Meeting November 18, 2021 ~@1-2:30P PT.

  3. 2021 CIG Annual Business Meeting

    18 Nov 2021 | Contributor(s): CIG Staff

    Presentation from the 2021 CIG Annual Business Meeting, November 18 @1-2:30P PT.

  4. 2021 SMOREs Introduction

    02 Nov 2021 | Contributor(s): John Naliboff

    2021 SMOREs ShowcaseJohn Naliboff, New Mexico Tech

  5. 2021 Interactions between Lithospheric Instabilities and Formation of Mantle Plumes in Venus

    02 Nov 2021 | Contributor(s): Hiva Mohammadzadeh

    2021 SMOREs ShowcaseHiva Mohammadzadeh, Los Angeles Pierce College

  6. 2021 Early Earth Influence of Radiogenic Heating on Mid-Ocean Ridge Depths and Seafloor Subsidence

    02 Nov 2021 | Contributor(s): Keneni Godana

    2021 SMOREs ShowcaseKeneni Godana, University of Illinois at Chicago

  7. 2021 Bayesian Uncertainty Quantification of Subduction Zone Rheology from the Geoid

    02 Nov 2021 | Contributor(s): Elena Ehrlich

    2021 SMOREs ShowcaseElena Ehrlich, North Carolina State University

  8. 2021 As Above So Below: A Simulation of the Continental Lithosphere and LLSVPs as Thermal Insulators Using ASPECT

    02 Nov 2021 | Contributor(s): Dante Hickey

    2021 SMOREs ShowcaseDante Hickey, Reed College

  9. 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. Binary packages are available for macOS and Linux. Detailed installation instructions for the binary packages are in the PyLith manual.

  10. 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 to...

  11. 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.

  12. 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 introduced in...

  13. 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.

  14. 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.

  15. 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.

  16. 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

  17. 2021 CIG Community Research Highlights

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

    Research highlights solicited from the community for CIG IV, 

  18. 2018 PyLith Hackathon Report

    06 Apr 2021 | Workshops | Contributor(s): Brad Aagaard

    2018 PyLith Hackathon Report. August 3, 2018. Brad Aagaard. 

  19. Short-Term Tectonics Science

    02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard

    Short-Term Tectonics Science. March 30-31, 2009. Brad Aagaard. 

  20. Education and Training

    02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard

    Education and Training. March 30-31, 2009. Brad Aagaard. 

  21. CUBIT: Examples of 3-D meshing

    02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard

    CUBIT: Examples of 3-D meshing. June 18-22, 2012. Brad Aagaard. 

  22. Crustal Deformation Modeling Tutorial: PyLith: Introduction to Dynamic Spontaneous Rupture

    02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard, Matthew Knepley, Charles Williams

    Crustal Deformation Modeling Tutorial: PyLith: Introduction to Dynamic Spontaneous Rupture. June 18-22, 2012. Brad Aagaard, Matthew Knepley, Charles Williams. 

  23. Crustal Deformation Modeling Tutorial: PyLith: Introduction to Fault Friction

    02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard, Matthew Knepley, Charles Williams

    Crustal Deformation Modeling Tutorial: PyLith: Introduction to Fault Friction. June 18-22, 2012. Brad Aagaard, Matthew Knepley, Charles Williams.

  24. Crustal Deformation Modeling Tutorial: PyLith/CUBIT: 2-D subduction zone with coseismic and interseismic deformation

    02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley

    Crustal Deformation Modeling Tutorial: PyLith/CUBIT: 2-D subduction zone with coseismic and interseismic deformation. June 18-22, 2012. Brad Aagaard, Charles Williams, Matthew Knepley. 

  25. Crustal Deformation Modeling Tutorial: Overview of CUBIT

    02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard, Rowena Lohman, Charles Williams, Matthew Knepley

    Crustal Deformation Modeling Tutorial: Overview of CUBIT. June 18-22, 2012. Brad Aagaard, Rowena Lohman, Charles Williams, Matthew Knepley. 

  26. Crustal Deformation Modeling

    02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard

    Crustal Deformation Modeling. June 22-26, 2009. Brad Aagaard. 

  27. PyLith

    02 Apr 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley, Sue Kientz, Leif Strand

    PyLith. June 22-26, 2009. Brad Aagaard. 

  28. PyLith 1.3: A Finite-Element Code for Modeling Quasi-Static and Dynamic Crustal Deformation

    31 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley, Leif Strand, Sue Kientz

    PyLith 1.3: A Finite-Element Code for Modeling Quasi-Static and Dynamic Crustal Deformation. September 15-17, 2008. Brad Aagaard. 

  29. PyLith Postseismic Deformation Example: 2-D Subduction Zone

    30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matt Knepley

    PyLith Postseismic Deformation Example: 2-D Subduction Zone. May 16, 2011. Brad Aagaard. 

  30. PyLith Troubleshooting Tips/Tricks

    30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matt Knepley

    PyLith Troubleshooting Tips/Tricks. May 16, 2011. Brad Aagaard. 

  31. Community Benchmarks for Code Verification

    30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard

    Community Benchmarks for Code Verification. June 14-18, 2010. Brad Aagaard. 

  32. Extending PyLith

    30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley, Surendra Somala

    Extending PyLith. June 14-18, 2010. Brad Aagaard. 

  33. PyLith 1.5: Friction, Small Strains, and Elastoplasticity

    30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley, Surendra Somala

    PyLith 1.5: Friction, Small Strains, and Elastoplasticity. June 14-18, 2010. Brad Aagaard. 

  34. PyLith 1.5 Tutorial

    30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard

    PyLith 1.5 Tutorial. June 14-18, 2010. Brad Aagaard. 

  35. PyLith

    30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley, Surendra Somala, Sue Kientz, Leif Strand

    PyLith. June 14-18, 2010. Brad Aagaard. 

  36. Finite-Element Modeling for Crustal Deformation

    30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard

    Finite-Element Modeling for Crustal Deformation. June 14-18, 2010. Brad Aagaard. 

  37. 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. 

  38. Best Practices: Guidelines, Resources, and Education

    30 Mar 2021 | Workshops | Contributor(s): Brad Aagaard

    Best Practices: Guidelines, Resources, and Education. October 13-15, 2020. Brad Aagaard. 

  39. CIG PyLith Tutorial Workshop

    29 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matt Knepley

    CIG PyLith Tutorial Workshop. May 16, 2011. Brad Aagaard, Charles Williams, Matt Knepley. 

  40. SGS Bay Area Seismic Velocity Model, Construction and Earthquake Simulations

    28 Mar 2021 | Workshops | Contributor(s): Brad Aagaard, Thomas Brocher, Robert Jachens, Robert Simpson

    SGS Bay Area Seismic Velocity Model, Construction and Earthquake Simulations. July 14-17, 2013. Brad Aagaard. 

  41. PyLith

    27 Feb 2021 | Workshops | Contributor(s): Brad Aagaard

    PyLith. June 23-27, 2008. Brad Aagaard. 

  42. Ground Motion Modeling of the 1906 Earthquake and Other Large Events on the Northern San Andreas Fault

    14 Feb 2021 | Workshops | Contributor(s): Brad Aagaard, Thomas Brocher, David Dolenc, Douglas Dreger, Robert Graves, Stephen Harmsen, Stephen Hartzell, Mary Lou Zoback

    Ground Motion Modeling of the 1906 Earthquake and Other Large Events on the Northern San Andreas Fault. October 9-11, 2007. Brad Aagaard, Thomas Brocher, David Dolenc, Douglas Dreger, Robert Graves, Stephen Harmsen, Stephen Hartzell, Mary Lou...

  43. A Finite-Element Code for Modeling Quasi-Static and Dynamic Crustal Deformation

    14 Feb 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matt Knepley, Leif Strand, Sue Kientz

    A Finite-Element Code for Modeling Quasi-Static and Dynamic Crustal Deformation. October 9-11, 2007. Brad Aagaard, Charles Williams, Matt Knepley, Leif Strand, Sue Kientz.

  44. Computational Infrastructure for Geodynamics

    13 Feb 2021 | Workshops | Contributor(s): Brad Aagaard

    Computational Infrastructure for Geodynamics. June 25-29, 2007. Brad Aagaard. 

  45. Crustal Deformation Modeling Tutorial Debugging PyLith Simulations

    11 Feb 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley

    Crustal Deformation Modeling Tutorial Debugging PyLith Simulations. Brad Aagaard, Charles Williams, Matthew Knepley. August 25, 2015. 

  46. PyLith Modeling Tutorial Overview of CUBIT/Trelis, PyLith, and ParaView

    11 Feb 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley

    PyLith Modeling Tutorial Overview of CUBIT/Trelis, PyLith, and ParaView. Brad Aagaard, Charles Williams, Matthew Knepley. August 24, 2015. 

  47. PyLith Modeling Tutorial

    11 Feb 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley

    PyLith Modeling Tutorial. Brad Aagaard, Charles Williams, Matthew Knepley. August 24-25, 2015. 

  48. Spontaneous Rupture via Fault Friction

    08 Feb 2021 | Workshops | Contributor(s): Brad Aagaard, Matthew Knepley, Charles Williams

    Crustal Deformation Modeling Tutorial: Spontaneous Rupture via Fault Friction. Brad Aagaard, Matthew Knepley, Charles Williams. June 24, 2014. 

  49. Debugging PyLith Simulations

    08 Feb 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley

    Crustal Deformation Modeling Tutorial: Debugging PyLith Simulations. Brad Aagaard, Charles Williams, Matthew Knepley. June 24, 2014. 

  50. Meshing Strategies

    08 Feb 2021 | Workshops | Contributor(s): Brad Aagaard, Charles Williams, Matthew Knepley

    Crustal Deformation Modeling Tutorial: Meshing Strategies. Brad Aagaard, Charles Williams, Matthew Knepley. June 23, 2014.