Add "lapsefactor" parameter to EinsteinExact

Issue #1058 closed
Erik Schnetter created an issue

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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Comments (6)

  1. Barry Wardell
    • removed comment

    Looks fine to me too. Could you please also add a brief description to the documentation?

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