Atomic Processes Parameters

The Atomic Processes widget is used to set parameters for DCA materials:

• The populations model (LTE, non-LTE (Opacity only), or non-LTE (EOS and Opacity))
• Collisional-radiative initialization parameters
• Photoabsorption grid parameters
• Rate coefficient multipliers for the atomic processes.

The Initialization tab is used to specify:

• The temperature at which to start collisional-radiative modeling (typically, ~ 10s of eV)
• The model for initializing atomic level populations (LTE or Non-LTE (thin)).

In the Photoabsorption Grid tabis used to specify:

• Number of continuum points
• Number of points per line transition
• The minimum oscillator strength to use when adding grid points for lines.

In the Rate Multipliers tab, the rates can be adjusted to study the sensitivity of results to various rates.

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