Ticket #111 (accepted defect - FPE)

Opened 2 years ago

Last modified 2 years ago

temperature instability

Reported by: rporter Owned by: peter
Priority: major Milestone: C12 branch
Component: thermal convergence Version: trunk
Keywords: Cc:

Description (last modified by rjrw) (diff)

The following model fails on trunk r3594 after failing to find an initial solution. We appear to be at a temperature instability, and a very slightly less dense model (13.5575) finishes fine. This model produces negative ion population errors in NI (and eventually all stages of nitrogen) but these are most likely unrelated to the root problems. 

blackbody 1.16e7
luminosity 37
radius 10.48
hden 13.5578
stop zone 1

Attachments

conv_change (4.8 kB) - added by rjrw 2 years ago.
Updated patch to deal with underflow problems on 64bit
patch2 (4.8 kB) - added by peter 2 years ago.
updated patch wrt r3610

Change History

Changed 2 years ago by rjrw

  • description modified (diff)

Changed 2 years ago by rjrw

Updated patch to deal with underflow problems on 64bit

Changed 2 years ago by peter

  • status changed from new to accepted
  • owner changed from nobody to peter
  • milestone set to C12 branch

This is fixed on the mainline in r3610. This is the less invasive fix intended for c10_branch. Once we have branched, the more invasive patch intended for C12 that is attached to this PR will be applied to the trunk. So keeping this PR open until that has been done.

Changed 2 years ago by peter

updated patch wrt r3610

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