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Integrated Numerical Simulation of the Solar-Terrestrial Environment

This project aims to develop and test a comprehensive software framework that integrates various simulation codes essential for the success of the Living With a Star (LWS) program. It focuses on geospace coupling through a tightly linked collaboration of three core codes: LFM, RCM, and TI*CGM. The integration facilitates two-way communication through the InterComm package and utilizes the capabilities of the Overture framework for data interpolation and manipulation. The project outlines current status, the implementation of electrostatic potential coupling, and future goals for enhancing the framework for broader simulations.

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Integrated Numerical Simulation of the Solar-Terrestrial Environment

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  1. Integrated Numerical Simulation of the Solar-Terrestrial Environment LWS Grant NAG5-12652 C. Goodrich, Principal Investigator Goal: To develop and test a general software framework that is capable of linking into a coherent wholethe wide range of simulation codes that will be required for the success of the LWS program

  2. Example - Geospace Coupling Global Magnetosphere Inner Magnetosphere – Ring Current Ionosphere/Thermosphere

  3. with Network and parameters passed B, P, r Inner Magnetosphere Coupler P, r Jll F VB, fv Electrostatic Potential Coupler fv Jll, np,Tp (SH+SP) =Jll+Jwinds F Jll, ni,Ti Magnetosphere - Ionosphere Coupler Conductivities: Sp, Sh, Jwinds Comm Channels (InterComm) Data Interpolation and manipulation (Overture) Fe, E0 Geospace Codes Global Magnetosphere-LFM Ring Current-RCM ITM–TI*CGM

  4. Integrated Numerical Simulation of the Solar-Terrestrial Environment • We show here the geospace coupling of our project, which is the most complex • Three core codes which are strongly coupled together - LFM, RCM, TI*CGM • Communication channels via the InterComm package (http://www.cs.umd.edu/projects/hpsl/chaos/ResearchAreas/ic/) • Data interpolation and manipulation Coupling processes using the capabilities of the Overture package (http://www.llnl.gov/CASC/Overture/) • Current Status of project • Separate (two-way) coupling between the LFM and TING (one of the TI*CGM family) codes and the LFM and RCM codes using InterComm • Initial implementation of the Electrostatic Potential Coupler for LFM-TING (interpolation, grid rotation, …) in Overture • Initial design for extension EP Coupler to low latitude • Future Focus • Implement Inner Magnetosphere Coupler in Overture • Create InterComm linkage and Overture coupler for coronal and heliosphere codes • Test optimize combined InterComm/Overture framework • Develop and field test user documentation

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