SECWRITE, Fname, Ext, --, ELEM_TYPE
Creates an ASCII file containing user mesh section information.
FnameFile name and directory path (248 characters maximum, including the characters needed for the directory path). An unspecified directory path defaults to the working directory; in this case, you can use all 248 characters for the file name.
The file name defaults to Jobname if Fname is left blank.
ExtFilename extension (eight-character maximum).
The extension defaults to SECT if Ext is left blank.
--Unused field.
ELEM_TYPEElement type attribute pointer (ET) for the elements that are part of the section. See SECREAD for a detailed description.
Before creating a user mesh file, first create a model using 2-D meshing. Use PLANE183 or MESH200 with KEYOPT(1) = 7 (quadrilateral with 8 nodes option) to model the cells. SECWRITE creates an ASCII file that contains information about the nodes and cells that describe a beam section. For detailed information on how to create a user mesh file, see Creating Custom Cross Sections with a User-defined Mesh in the Structural Analysis Guide.