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When I plot the Rosseland gray opacities, all of the high density curves seem to run together into one curve. Why is this?

April 26, 2017curve Curves density Gray high opacities plot run

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When I plot the Rosseland gray opacities, all of the high density curves seem to run together into one curve. Why is this?

1 Answer

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Posted

The opacity code is unable to calculate the opacities for the low temperature-high density grid points, but needs to have a non-zero value for these grid points. The TOPS code takes the value for the highest calculated density for each temperature and used that value for all of the higher densities. This makes the curves run together.