Dust in AstroBEAR - Update 2021/01/10

Objectives

  • Debugging
  • Production runs for some setups
  • Thesis writing

Main progress over break:

Writing: I've mainly been writing over the break and will probably be quite heavily focused on that for the next few weeks as well

Time-stepping issue with the Gas Drag: I'm pretty sure the time-stepping issue for the gas drag is NOT due to the equations being too stiff (not yet certain about the grain-grain collisions, still working on other stuff there). It looks like one cell eventually has a temperature that messes stuff up and leads to a runaway increase of number density (see screenshots: ​1 ​2 ​3 ​4). Need to go back to the equation next week to see if there are any caveats for certain temperature regimes that might cause this.

Next steps:

  • Continue with above

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