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File types in ICEM CFD

Project Settings (*.prj)
An ICEM CFD project file contains the information necessary to manage the data files associated with your project.
Tetin (*.tin)
Contains geometry entities, material points, parts associations, and global and entity mesh sizes.
Mesh (*.uns)
Includes details of the line, shell, and volume mesh elements of the project. Shell meshes are composed of triangular and/or quadrilateral elements; volume meshes may include tetrahedra, hexahedra, pyramids, and/or prisms.
Blocking (*.blk)
Includes details of the underlying framework used to create a structured hexahedral mesh in your
project. Blocking files can also be loaded from, or saved to, an unstructured mesh.
Attributes (*.atr) or (*.fbc)
Maintain the association of user-specified data for parts, element properties, loads, and constraints
with the nodes/elements of the mesh for a project.
Parameters (*.par)
Contains mesh-independent data such as material properties, local coordinate systems, solver analysis
setup, and run parameters. The data in the parameters file is cross-referred in the attributes file when
a set of parameters is associated with the nodes/elements of the mesh.
Cartesian (*crt)
Contains information regarding the Cartesian grid, if one has been created for your project.
Journal (*.jrf)
Contains a record of the operations performed (see General in the ANSYS ICEM CFD Help Manual).
Replay (*.rpl)
Contains a replay script (see Replay Scripts in the ANSYS ICEM CFD Help Manual).
Reference:
ANSYS ICEM CFD User's Manual
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