.wps - Microsoft Works document
.pub - Microsoft Publisher document
.xls - Microsoft Office Excel spreadsheet
.odt - OpenOffice.org Writer text document
.docx - Microsoft Word 2007 XML based document file format
.pps - Microsoft PowerPoint slideshow
.ods - OpenOffice.org Calc Spreadsheet file
.pages - iWork Pages document file
file extension RSF - NEi Nastran results summary file
File extension RSF description:
Nastran results file.
Associated applications to file extension RSF:
Company / developer:
NEi Software, Inc.
NEi Nastran
NEi Nastran is a powerful, general purpose Finite Element Analysis tool with an integrated graphical user interface and model Editor which is used to analyze linear and nonlinear stress, dynamics, and heat transfer characteristics of structures and mechanical components.
NEi Nastran provides analysis capability for the following solution types:
- Linear Static Analysis
- Dynamic Response
- Nonlinear Static Analysis
- Steady State Heat Transfer
- Normal Modes
- Transient Heat Transfer
- Buckling Analysis


