AMR control

8/10/11

Today I set all qtolerances to be a minimum of 1d-16 after observing the slight asymmetry of the mesh was elliminated when switching from 0.1 to 1e-16:

​http://www.pas.rochester.edu/~erica/vvec2.html

I also wanted to maximize the refinement on my grid.

Next I tried playing with the refine variable option for density to see how it would decrease the refinement in my grid. I ran simulations of 1, .1, .0001, 1e-64.

refVar = 1 expected no change — this was right. But as I decreased the value of refVar, I didn't see an obvious decrease in refinement… Once I got to 1e-64, the grid had lost all refinement except for the center 8 cells that refined to level 1. (I was running level = 2).

I also tried refVar = 0d0, but can't seem to get rid of that center region of refinement like I expected.

I tried adjusting the fill ratios from constant 0.9 to 0.3. This created a square region of refinement — Still can't get center region of refinement to go away with refVar = 0. Ditto for fill ratio of 1..

​http://www.pas.rochester.edu/~erica/vvec2.html

I looked in the clump and ambient object modules, nothing seems to be overriding the setflags routines there…

8/9/11

Working on understanding the amr controls in astrobear.

​http://www.pas.rochester.edu/~erica/refVar.html

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