Module containing routines and datatypes for the positivity preserving scheme.
The limiter is a simple pointwise limiter, without any further mathematical properties.
Datatype representing the positivity preserving limiter. Should be applied after all other limiters are applied and after each step of a SSP timeintegrator.
| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| real(kind=rk), | public | :: | eps | = | 1.0e-13 |
Smallness parameter. If denisty or pressure are below this value, the state is considered as unphysical. |
Subroutine to load configuration file options for the spectral viscosity method.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(flu_State), | intent(in) | :: | conf |
flu binding to lua configuration file. |
||
| integer, | intent(in) | :: | parent_table |
The parent table |
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| type(atl_positivity_preserv_type), | intent(out) | :: | filter |
The filter to initialize |