UG_IO SimSys 3D Node, Grid, and Function File Types (64-bit int version)

    File Type Suffix and Description
    ________________________________________________________________________________

    .snode
    ------
    SNODE 3D source node data file.
    An SNODE file contains a list of node coordinates and spacing function.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.

    .mnode
    ------
    MNODE 3D metric source node data file.
    A MNODE file contains a list of node coordinates and symmetric metric.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.

    .tags
    -----
    TAGS surface tags data file.
    A TAGS file contains a list of surface IDs and surface BC properties.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.
    This file type may only be used for input files.

    .split
    ------
    SPLIT split-face hex-element data file.
    A SPLIT file contains a list of hex-elements with 2:1 split faces.

    .snsdata
    --------
    SNS specified normal spacing data file.
    An SNS file contains the specified normal spacing data for BL grid generation.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.
    This file type may only be used for input files.

    .psdata
    -------
    PSDATA periodic surface definition data file.
    A PSDATA file contains the definitions for periodic surface pairs.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.
    This file type may only be used for input files.

    .poly
    -----
    POLY unstructured b-surf grid file.
    A POLY file contains a tria/quad face boundary surface grid. This file type is
    used by TetGen.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.
    This file type may only be used for output files.

    .surf
    -----
    SURF 3D unstructured b-surf grid file.
    A SURF file contains a tria/quad face boundary surface grid.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.

    .tri
    ----
    Cart3D TRI unstructured b-surf grid file.
    A Cart3D TRI file contains a tria face boundary surface grid. This file type is
    generated by the Cart3D system.

    .cfd++
    ------
    CFD++ grid file set.
    A CFD++ grid file set contains a tria/quad face boundary surface grid and a
    polyhedral element volume grid. This file type uses multiple files for
    coordinates (nodesin.bin), elements (cellsin.bin), and surface faces
    (exbcsin.bin).
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.
    This file type may only be used for output files.

    .cobalt.grd
    -----------
    Cobalt grid file.
    A Cobalt grid file contains a tria/quad face boundary surface grid and a
    polyhedral element volume grid.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.
    This file type may only be used for output files.

    .face
    -----
    TETGEN 3D unstructured grid file set.
    A TETGEN file set contains a tria face boundary surface grid and (optionally) a
    tetrahedral volume grid. This file type uses multiple files for coordinates
    (.node), elements (.ele), and faces (.face). This file type is used by TetGen.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.

    .mcell
    ------
    NSU3D grid file.
    A NSU3D grid file contains a tria/quad boundary surface grid and (optionally) a
    polyhedral element volume grid.

    .mesh
    -----
    MESH 3D unstructured grid file.
    A MESH file contains a tria/quad face boundary surface grid and (optionally) a
    polyhedral element volume grid. This file type is supported by the Gamma
    Project of INRIA.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.

    .meshb
    ------
    Binary MESH 3D unstructured grid file.
    A MESH file contains a tria/quad face boundary surface grid and (optionally) a
    polyhedral element volume grid. This file type is supported by the Gamma
    Project of INRIA.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.

    .bdf
    ----
    NASTRAN 3D unstructured grid file.
    A NASTRAN file contains a tria/quad face boundary surface grid and (optionally)
    a polyhedral element volume grid. The suffix .nas and .bdf are equivalent.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.

    .nas
    ----
    NASTRAN 3D unstructured grid file.
    A NASTRAN file contains a tria/quad face boundary surface grid and (optionally)
    a polyhedral element volume grid. The suffix .nas and .bdf are equivalent.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.

    .ufast
    ------
    UFAST 3D unstructured grid file.
    A UFAST file contains a triangulated boundary surface grid and (optionally) a
    tetrahedral volume grid. The UFAST file type is identical to the FAST (PLOT3D)
    unstructured grid file type.

    .ugrid
    ------
    UGRID 3D unstructured grid file.
    A UGRID file contains a tria/quad face boundary surface grid and (optionally) a
    polyhedral element volume grid.
    This file type can use socket or TMP file mode if a C binary double file format
    is also used.

    .ufunc
    ------
    UFUNC 3D function file.
    A UFUNC file contains field function data (scalar and/or vector).
    This file type can use socket or TMP file mode if a C binary double file format
    is also used.

    .sfunc
    ------
    SFUNC 3D function file.
    An SFUNC file contains field function data (scalar, vector, matrix, and/or
    symmetric metric).
    This file type can use socket or TMP file mode if a C binary double file format
    is also used.

    .sol
    ----
    MESH SOL 3D unstructured function file.
    A MESH SOL file contains field function data (scalar, vector, matrix, and/or
    symmetric metric). This file type is supported by the Gamma Project of INRIA.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.

    .solb
    -----
    Binary MESH SOL 3D unstructured function file.
    A MESH SOL file contains field function data (scalar, vector, matrix, and/or
    symmetric metric). This file type is supported by the Gamma Project of INRIA.
    This file type uses a fixed file format and the [.format] File Format Suffix is
    not applicable.

Details on the specific file types are available in the UG_IO SimSys 3D Node, Grid, and Function File Types section for the standard 32-bit int version. Note that only those listed above are applicable with the 64-bit version.

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File Last Updated Tue Nov 29 18:21:11 CST 2022