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  1. ASPECT Jupyter Notebooks

    12 Oct 2023 | Contributor(s): Rene Gassmoeller

    Contains ASPECT Jupyter notebooks

  2. 2023 PyLith Hackathon

    02 Aug 2023 | Contributor(s): Brad Aagaard

    Workshop report

  3. ASPECT Virtual Desktop

    27 Jun 2023 | Software: Launch | Contributor(s): Rene Gassmoeller, Lorraine Hwang, Mohamed Gouiza

    A preinstalled ASPECT environment.

  4. Fault strength evolution during the seismic cycle: Insights from the laboratory

    10 Mar 2023 | Webinars | Contributor(s): John Bedford

    Geophysical evidence suggests that some faults are frictionally strong, in agreement with laboratory measurements of quasi-static frictional strength (μ ≈ 0.6-0.8) for many crustal materials; whereas others studies have found that some faults are weak when compared to laboratory friction...

  5. ASPECT Hackathon 2022 Report

    23 Jun 2022 | Workshops | Contributor(s): Organizing Committee

    2022 ASPECT Hackathon Dates: May 15-24, 2022 Location: Cody, Wyoming

  6. ASPECT Hackathon 2021 Report

    23 Jun 2022 | Workshops | Contributor(s): Organizing Commitee

    2021 ASPECT Hackathon Dates: Tuesday July 6 - Friday July 16 Location: Virtual

  7. 2022 Mainshock and aftershock sequence simulations in a nonplanar fault network

    19 May 2022 | Webinars | Contributor(s): So Ozawa, Ryosuke Ando

    Aftershocks seem to be located along the trace of the mainshock fault; however, due to the location error, we do not know their exact location relative to the mainshock fault. Here, we hypothesize that most aftershocks occur on small subsidiary faults instead of the mainshock fault, and they...

  8. 2022 Poroelastic Implementation in PyLith: Gateway to Multiphysics

    13 May 2022 | Webinars | Contributor(s): Robert L Walker

    Thursday May 12, 2022 @ 2P PDT Poroelastic Implementation in PyLith: Gateway to Multiphysics Robert Walker, SUNY Buffalo PyLith, a community, open-source code (https://geodynamics.org/resources/pylith) for modeling quasi-static and dynamic crustal deformation with an emphasis on earthquake...

  9. 2022 Energy transfer among flow and magnetic fields with different equatorial symmetry during the dipole reversal in a geodynamo simulation

    17 Feb 2022 | Webinars | Contributor(s): Takumi Kera, Hiroaki Matsui, Masaki Matsushima, Yuto Katoh

    The geomagnetic field has reversed its polarity, and some numerical dynamos have suggested that anti-symmetric flow with respect to the equator plays a role in reversals. Olson et al., (2004) suggested that the equatorial antisymmetric flow is temporarily strengthened, and transports a locally...

  10. 2021 SMOREs Introduction

    02 Nov 2021 | Webinars | Contributor(s): John Naliboff

    2021 SMOREs ShowcaseJohn Naliboff, New Mexico Tech

  11. 2021 Interactions between Lithospheric Instabilities and Formation of Mantle Plumes in Venus

    02 Nov 2021 | Webinars | Contributor(s): Hiva Mohammadzadeh

    2021 SMOREs ShowcaseHiva Mohammadzadeh, Los Angeles Pierce College

  12. 2021 Early Earth Influence of Radiogenic Heating on Mid-Ocean Ridge Depths and Seafloor Subsidence

    02 Nov 2021 | Webinars | Contributor(s): Keneni Godana

    2021 SMOREs ShowcaseKeneni Godana, University of Illinois at Chicago

  13. 2021 Bayesian Uncertainty Quantification of Subduction Zone Rheology from the Geoid

    02 Nov 2021 | Webinars | Contributor(s): Elena Ehrlich

    2021 SMOREs ShowcaseElena Ehrlich, North Carolina State University

  14. 2021 As Above So Below: A Simulation of the Continental Lithosphere and LLSVPs as Thermal Insulators Using ASPECT

    02 Nov 2021 | Webinars | Contributor(s): Dante Hickey

    2021 SMOREs ShowcaseDante Hickey, Reed College

  15. ASPECT

    31 Oct 2021 | Software: Download | Contributor(s): Wolfgang Bangerth, Juliane Dannberg, Menno Fraters, Rene Gassmoeller, Anne Glerum, Timo Heister, Robert Myhill, John Naliboff

    A finite element parallel code to simulate problems in thermal convection in both 2D and 3D models.ASPECT is a code to simulate problems in thermal convection. Its primary focus is on the simulation of processes in the earth's mantle, but its design is more general than that. The primary...

  16. 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.

  17. 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.

  18. 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

  19. 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...

  20. ASPECT Hackathon 2018 Final report

    06 Apr 2021 | Workshops | Contributor(s): Organizing Committee

    ASPECT Hackathon 2018 Final report. June 18-28, 2018. 

  21. 2018 PyLith Hackathon Report

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

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

  22. ASPECT Hackathon 2020 Report

    03 Apr 2021 | Workshops | Contributor(s): Organizing Committee

    ASPECT Hackathon 2020 Report. August 3-7, 10-14, 2020. 

  23. Short-Term Tectonics Science

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

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

  24. Education and Training

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

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

  25. 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. 

  26. 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. 

  27. 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.

  28. 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. 

  29. 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. 

  30. Crustal Deformation Modeling

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

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

  31. PyLith

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

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

  32. ASPECT Hackathon 2016 Final Report

    01 Apr 2021 | Workshops | Contributor(s): Organizing Committee

    ASPECT Hackathon 2016 Final Report. June 24-July 2, 2016. 

  33. 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. 

  34. 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. 

  35. 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. 

  36. Community Benchmarks for Code Verification

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

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

  37. Extending PyLith

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

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

  38. 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. 

  39. PyLith 1.5 Tutorial

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

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

  40. 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. 

  41. 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. 

  42. 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. 

  43. 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. 

  44. 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. 

  45. ASPECT Hackathon 2019 Preliminary Report

    29 Mar 2021 | Workshops | Contributor(s): Organizing Committee

    ASPECT Hackathon 2019 Preliminary Report. May 21-June 1, 2019. 

  46. ASPECT 2020 Virtual User Meeting Log

    29 Mar 2021 | Workshops | Contributor(s): Organizing Committee

    ASPECT 2020 Virtual User Meeting Log. January 21-23, 2020. 

  47. 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. 

  48. PyLith

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

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

  49. 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...

  50. 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.