[FLASH-BUGS] [FLASH-USERS] Checkerboard of Magnetic Monopoles

[Aaron Froese]

Hello everyone,

Regarding the lattice of magnetic monopoles that develops when adding the Cooling unit to a USM MHD simulation, I have induced the behaviour in multiple problems using both Flash3.3 and Flash4b.  Because the location of the lattice strongly correlates to the quadrant/octant farthest from the origin in each CPU's domain, I am concerned that it is specific to my computing hardware.  Has anyone been able to reproduce this behaviour?  What is the significance of the 8x8 squares or 8x8x8 cubes that appear?  Is that a fundamental grouping in the grid?

Aaron