A problemtype is composed by these files (most are not compulsory):
Configuration files
- problem_type_name_default.spd: Xml file defining conditions, materials, problem data and units definitions
Script files
- problem_type_name.tcl : Write data input file with a Tcl procedure
Tcl extension files
- problem_type_name.tcl Extensions to GiD written in the Tcl/Tk programming language
Command execution files
- problem_type_name.bat Operating system shell that executes the analysis process