Computer Simulation Overview No.10

Rotation of Interplanetary Magnetic Field

3D Magnetic Field Configuration of Magnetosphere

Integration of Density and Energy in Magnetosphere


Interaction of the solar wind with the earth's magnetosphere has been studied by using a 3-dimensional global MHD model.

Rotation of IMF in the north-south and dawn-dusk plane with a period of 6 hours, where B=5nT.


Counterclockwise rotation of IMF starting from the quasi-steady magnetospheric configuration for northward IMF.
  1. t=390m, theta= 90degrees
  2. t=600m, theta=300degrees
  3. t=615m, theta=315degrees
  4. t=630m, theta=330degrees
  5. t=645m, theta=345degrees
  6. t=660m, theta= 0degrees
  7. t=675m, theta= 15degrees
  8. t=690m, theta= 30degrees
  9. t=705m, theta= 45degrees
  10. t=720m, theta= 60degrees
  11. t=735m, theta= 75degrees
  12. t=750m, theta= 90degrees
  13. t=765m, theta=105degrees

Counterclockwise rotation of IMF starting from the quasi-steady magnetospheric configuration for southward IMF.
  1. t=390m, theta=270degrees
  2. t=600m, theta=120degrees
  3. t=615m, theta=135degrees
  4. t=630m, theta=150degrees
  5. t=645m, theta=165degrees
  6. t=660m, theta=180degrees
  7. t=675m, theta=195degrees
  8. t=690m, theta=210degrees
  9. t=705m, theta=225degrees
  10. t=709m, theta=240degrees
  11. t=712m, theta=240degrees
  12. t=716m, theta=240degrees
  13. t=720m, theta=240degrees
  14. t=735m, theta=255degrees
  15. t=750m, theta=270degrees
  16. t=765m, theta=285degrees

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