Module containing all equilibrium parameters. All parameters used in the equilibrium submodules are defined here for convenience, including the wave numbers k2 and k3. All of these values are NaN initially, such that variables that are not properly set propagate their value and are easy to spot in follow-up checks.
Variables that are not used remain equal to NaN throughout program execution. We define all of these in one module so they allow for easy setting through the parfile, and hence allow for more flexible control in the submodules.
| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| real(kind=dp), | public | :: | k2 | wavenumber in y-direction (Cartesian) or theta-direction (cylindrical) |
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| real(kind=dp), | public | :: | k3 | wavenumber in z-direction |
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| real(kind=dp), | public | :: | cte_rho0 | general constant usually used for density |
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| real(kind=dp), | public | :: | cte_T0 | general constant usually used for temperature |
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| real(kind=dp), | public | :: | cte_B01 | general constant usually used for the 01 magnetic field component |
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| real(kind=dp), | public | :: | cte_B02 | general constant usually used for the 02 magnetic field component |
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| real(kind=dp), | public | :: | cte_B03 | general constant usually used for the 03 magnetic field component |
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| real(kind=dp), | public | :: | cte_v02 | general constant usually used for the 02 velocity component |
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| real(kind=dp), | public | :: | cte_v03 | general constant usually used for the 03 velocity component |
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| real(kind=dp), | public | :: | cte_p0 | general constant usually used for pressure |
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| real(kind=dp), | public | :: | p1 | general constant usually used in polynomials |
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| real(kind=dp), | public | :: | p2 | general constant usually used in polynomials |
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| real(kind=dp), | public | :: | p3 | general constant usually used in polynomials |
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| real(kind=dp), | public | :: | p4 | general constant usually used in polynomials |
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| real(kind=dp), | public | :: | p5 | general constant usually used in polynomials |
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| real(kind=dp), | public | :: | p6 | general constant usually used in polynomials |
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| real(kind=dp), | public | :: | p7 | general constant usually used in polynomials |
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| real(kind=dp), | public | :: | p8 | general constant usually used in polynomials |
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| real(kind=dp), | public | :: | alpha | general constant used in various expressions |
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| real(kind=dp), | public | :: | beta | general constant used in various expressions |
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| real(kind=dp), | public | :: | delta | general constant used in various expressions |
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| real(kind=dp), | public | :: | theta | general constant used in various expressions |
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| real(kind=dp), | public | :: | tau | general constant used in various expressions |
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| real(kind=dp), | public | :: | lambda | general constant used in various expressions |
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| real(kind=dp), | public | :: | nu | general constant used in various expressions |
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| real(kind=dp), | public | :: | r0 | general constant usually used for radius |
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| real(kind=dp), | public | :: | rc | general constant usually used for radius |
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| real(kind=dp), | public | :: | rj | general constant usually used for radius |
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| real(kind=dp), | public | :: | Bth0 | general constant usually used in cylindrical geometry |
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| real(kind=dp), | public | :: | Bz0 | general constant usually used in cylindrical geometry |
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| real(kind=dp), | public | :: | V | general constant usually used in shear-related setups |
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| real(kind=dp), | public | :: | j0 | general constant usually used for current |
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| real(kind=dp), | public | :: | g | general constant usually used for gravity |
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| logical, | public | :: | eq_bool | general boolean for varied use, defaults to False |
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| character(len=str_len), | public | :: | input_file | path to the file containing numerical equilibrium data |
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| integer, | public | :: | n_input | number of points to use for equidistant sampling of imported numerical data |
Initialises all variables defined at module scope to NaN, including the wave numbers. This ensures that these have to be explicitly set.