Which software application published by MFB Geo Consulting has a feature/module/file named femapnx_nas_nonlin_fep? What is femapnx_nas_nonlin_fep?

The software application published by MFB Geo Consulting that includes the feature/module/file named `femapnx_nas_nonlin_fep` is likely related to FEMAP, which is a tool for pre- and post-processing finite element analysis (FEA). The `femapnx_nas_nonlin_fep` file/module typically refers to a feature that facilitates the integration of non-linear finite element analysis using the NASTRAN solver within the FEMAP environment. In this context, "nonlin" indicates non-linear analysis capabilities, which can account for material non-linearity, geometric non-linearity, or boundary non-linearity, making it crucial for analyzing complex structural behavior under various loading conditions. If you have specific questions or further details you'd like to explore regarding this application or its modules, feel free to ask!