Last Updated: 09/09/2022

Integration of Extended MHD and Kinetic Effects in Global Magnetosphere Models

LWS XMHD project page

CCMC is supporting the "Integration of Extended MHD and Kinetic Effects in Global Magnetosphere Models" effort within the NASA/NSF Partnership For Collaborative Space Weather Modeling. The primary science focus is the integration of extended magnetohydrodynamics (XMHD) and kinetic effects in global magnetospheric models. The main deliverable is the next generation OpenGGCM with support for multi-fluid moment plasma models and corresponding closures, in addition to MHD / XMHD based plasma models. The next generation OpenGGCM will support mesh refinement and implicittime integration, as well as enhanced coupling to inner magnetosphere and ionospheric models.

PI institution: Princeton University
PI: Amitava Bhattacharjee

Status of deliverables to the CCMC:

  • OpenGGCM v4.0 is currently available at CCMC for runs on request.
  • "Next generation" OpenGGCM is in development:
    • Static mesh refinement on staggered and cell-centered grids has been implemented and tested.
    • Cell-centered MHD / extended MHD has been implemented as an alternative to the existing Yee-grid based MHD solver.
    • OpenGGCM has been coupled with the Gkeyll multi-fluid moment code that provides 5- and 10-moment multi-fluid models; the coupled code has been validated using Ganymede as a benchmark problem.
    • OpenGGCM has been robustly coupled with RCM.
  • The version of OpenGGCM at CCMC will be updated to the latest stable branch in summer 2016. We will work on making some of the new features available through the run-on-request interface (e.g., mesh refinement), and work out the build issues that come with the coupling to Gkeyll, though we do not anticipate to make the multi-fluid model available for runs on request yet.
  • At the conclusion of the project, we will deliver the final version of the next generation OpenGGCM to CCMC and make its new features available through the run-on-request interface.

In addition to the above, Co-PI Alex Glocer is planning to deliver KepWOM to CCMC this year: CCMC KepWOM model description Page.

Project Contact
PI: Amitava Bhattacharjee

CCMC Contacts
Lutz Rastaetter

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