Species—Introduction
Species is a module in Creo Flow Analysis that provides the capability to solve an additional scalar transport equation. You can select this module more than once to solve more than one user-scalar transport equation. This allows you to develop or add modules on the basis of solver capabilities. To access this module, follow the steps listed below:
1. Right-click 
Physics and click Select Physics Models. The Physical Model Selection dialog box opens.
Physics and click Select Physics Models. The Physical Model Selection dialog box opens.2. Select the module from Available Modules. In the Flow Analysis Tree, under Physics, Species is added.
The module is explained as follows:
• Definition—Definitions, terminology, constants, models and methods used in particle modeling.
• Boundary Conditions—Specifying conditions for the entities such as boundaries, interfaces, volumes, and the outputs from the module.
• Output Variables—Expressions created for specifying conditions and postprocessing associated with particle.