.. _spline_interpolation_config:

Spline Interpolation
~~~~~~~~~~~~~~~~~~~~~


**Group /input/model/unit_XXX/particle_type_ZZZ/adsorption – ADSORPTION_MODEL = SPLINE_INTERPOLATION**

For information on model equations, refer to :ref:`spline_interpolation`.

``IS_KINETIC``
   Selects kinetic or quasi-stationary adsorption mode: 1 = kinetic, 0 =
   quasi-stationary. If a single value is given, the mode is set for all
   bound states. Otherwise, the adsorption mode is set for each bound
   state separately.

===================  =========================  =======================
**Type:** int        **Range:** {0,1}           **Length:** 1/NTOTALBND
===================  =========================  =======================

``CP_VALS_COMP_XXX``
   Pore-phase concentration support points for component ``XXX`` used to
   construct the spline isotherm. The values must be given in ascending
   order.

**Unit:** :math:`mol~m_{MP}^{-3}`

===================  =========================  =======================
**Type:** double     **Range:** :math:`\geq 0`    **Length:** N
===================  =========================  =======================

``CS_VALS_COMP_XXX``
   Solid-phase equilibrium loadings corresponding to ``C_VALS_COMP_XXX``
   for component ``XXX``. This parameter is used if component ``XXX`` has
   exactly one bound state.

**Unit:** :math:`mol~m_{SP}^{-3}`

===================  =========================  =======================
**Type:** double     **Range:** :math:`\geq 0`    **Length:** N
===================  =========================  =======================

``CS_VALS_COMP_XXX_BND_YYY``
   Solid-phase equilibrium loadings corresponding to ``C_VALS_COMP_XXX``
   for bound state ``YYY`` of component ``XXX``. This parameter is used if
   component ``XXX`` has more than one bound state.

**Unit:** :math:`mol~m_{SP}^{-3}`

===================  =========================  =======================
**Type:** double     **Range:** :math:`\geq 0`    **Length:** N
===================  =========================  =======================

``SPLINE_KKIN``
   Linear-driving-force coefficients in component-major ordering.

**Unit:** :math:`s^{-1}`

===================  =========================  =======================
**Type:** double     **Range:** :math:`\geq 0`  **Length:** NTOTALBND
===================  =========================  =======================