•  fluidyn CAD/GEN is graphically interactive and user-friendly modeling software for creating geometric entities and subsequently meshing them for use in the family of Fluidyn codes developed by Transoft.

• fluidyn CAD/GEN has two separate modules, one for defining geometric entities (Fluidyn-CAD) other for creating mesh of nodes and elements on these geometric entities (Fluidyn-GEN).

• fluidyn CAD is a user-friendly interactive graphical software for creating entities like surfaces(2D) and volumes (3D).

• Geometry is created in CAD in a hierarchical manner: Points à Curves à Surfaces à Volumes

• All entities in CAD (points, lines, curves, planes, surfaces and volumes) have a unique ID associated with it, and thus make various options like editing and creation easier.

•   The higher order entities viz. surfaces are suitably defined by using concepts like Single ruled, Double ruled, Revolution, Bézier and so on while the Volumes are defined by Single ruled, Double ruled and Triple ruled. 

• All these entities can be skillfully manipulated by translation, rotation, mirroring, scaling etc.  Further, features like Edit, Plot, Delete and Erase are also used for manipulation.

• CAD files can be saved in ASCII or BINARY mode to enhance importing it in GEN for subsequent meshing.  

• All operations like creation or editing of entities are automatically written down in an ASCII session file.  Thus, user, in case of any minor change in geometry, can manually edit the session file (*.ses).