=== Thursday @ 10:30 a.m. ===

== Coronal Magnetic Field Tools and Models II: Nonlinear Force-Free Models ==

==== Leader: Marc DeRosa ====

In this session we will discuss non-linear force-free coronal magnetic field models. 
The candidate models will be discussed, along with the associated issues of how to 
perform the preprocessing and validation of these models.  
We would like to determine which model to run, and how often, 
taking into account the uncertainties in the resulting magnetic field models.  


Schedule

 * 10:30 Session intro ({{{DeRosa}}})
 * 10:40 NLFFF preprocessing/methods overview ({{{Wiegelmann}}}) 
 * 11:00 Loop tracing methods overview ({{{Aschwanden}}}) 
 * 11:15 Community discussion ({{{DeRosa}}}) 

Possible topics for the discussion session:

1.  Given the current state of NLFFF modeling and
validation, which model results are useful to the science
community?  Should the results be available, warts and
all?

2.  How often should the NLFFF models be run?  Given the
currently budgeted computational resources, we will likely
have to trade off between the methods and the regions of
interest.

3.  Do we need additional resources to develop better
H-alpha data (for the preprocessing), better loop tracing
algorithms (for automated validation)?

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