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Opened 23 months ago

Last modified 23 months ago

#2016 new defect

McLachlan sets r->infty values of metric incorrectly

Reported by: Roland Haas Owned by:
Priority: minor Milestone:
Component: EinsteinToolkit thorn Version: development version
Keywords: McLachlan Cc:

Description

The (not usually used) "radiative" boundary condition uses the gt11_bound_limit etc to specify the limit of the fields at large radii. However right now the defaults for gt11, gt22, gt33 are all zero which is rather useless. I know that default values are not "sensible" values but rather "historical" values, but I question at which point in time it made sense to have the diagonal elements of the metric that we assume to become Minkowsky (since phi->0) would tend to zero.

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Change History (1)

comment:1 Changed 23 months ago by Ian Hinder

As far as I know, the radiative boundary condition in McLachlan's master branch is nonsense, unless Erik fixed it during the rewrite. There is a version in the cakernel branch which is correct, and has been tested against NewRad. A pure-Kranc version was needed for working with CUDA/OpenCL.

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