:orphan: .. _mass_diffusivity: mass_diffusivity ================ .. autoclass:: ansys.fluent.core.generated.solver.settings_251.mass_diffusivity :show-inheritance: .. rubric:: Attributes ==================================================== ====================================================== Attribute Summary ==================================================== ====================================================== :ref:`option <option_26>` Select material property method. :ref:`lewis_number <lewis_number>` Specify Lewis number. :ref:`value <value_16>` Specify constant mass diffusivity. :ref:`species_diffusivity <species_diffusivity>` Specify mixture species mass diffusion coeffients. :ref:`multicomponent <multicomponent>` Select first species. :ref:`user_defined_function <user_defined_function>` Specify user-defined property function. ==================================================== ====================================================== .. rubric:: Included in: ==================================== =================================== Parent Summary ==================================== =================================== :ref:`mixture_child <mixture_child>` 'child_object_type' of mixture. ==================================== ===================================