[ET Trac] [Einstein Toolkit] #1058: Add "lapsefactor" parameter to EinsteinExact

[Einstein Toolkit]

#1058: Add "lapsefactor" parameter to EinsteinExact
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 Reporter:  eschnett               |       Owner:     
     Type:  enhancement            |      Status:  new
 Priority:  major                  |   Milestone:     
Component:  EinsteinToolkit thorn  |     Version:     
 Keywords:                         |  
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 I suggest introducing a "lapsefactor" parameter to EinsteinExact. This
 defines a transformation for the time coordinate between the underlying
 metric and the metric as will be used by Cactus. For example, setting
 lapsefactor=1/2 will lead to alpha=0.5 for the Minkowski metric, with the
 other metric components unchanged.

 This complements the "shiftadd" parameters, and is very useful for
 testing.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1058>
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