The software application published by MFB Geo Consulting that includes the feature/module/file named "femapnx_nas_supel_fep" is likely related to finite element analysis (FEA) and geotechnical engineering, possibly aligned with the Femap software.
The "femapnx_nas_supel_fep" likely refers to a specific component or functionality within the Femap software that is designed to support analysis related to NAS (Numerical Analysis System) or