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.