ETABS is a widely used structural analysis and design software package developed by Computers and Structures, Inc. (CSI). It stands for “Extended Three-dimensional Analysis of Building Systems”. ETABS is renowned for its capabilities in the analysis, design, and detailing of building structures.

Here are some key details about ETABS:

1. Analysis Capabilities: ETABS offers a comprehensive range of analysis types including linear and nonlinear static analysis, response spectrum analysis, time history analysis, and more. It can handle complex structural systems including buildings, bridges, towers, and industrial structures.
2. Design Features: The software provides design capabilities conforming to various international design codes such as ACI, AISC, Eurocode, and many others. It allows for the design of various structural components such as beams, columns, slabs, shear walls, and foundations.
3. Modeling Tools: ETABS provides a user-friendly interface for modeling structures efficiently. It supports various modeling techniques including grid-based, object-based, and advanced modeling options for irregular structures.
4. Integration with Other Software: ETABS integrates well with other software tools commonly used in the structural engineering field, such as Revit, Autodesk’s BIM (Building Information Modeling) platform, and SAFE (Software for Analysis and Design of Slabs, Mats, and Foundations), another product by CSI.
5. Visualization: The software offers advanced visualization tools to help engineers better understand the behavior of their structures. This includes graphical displays of analysis results, deformations, and animations.
6. Parametric Modeling: ETABS supports parametric modeling which allows for the efficient exploration of design alternatives by varying parameters such as member sizes, material properties, and geometric configurations.
7. Documentation and Reporting: ETABS generates detailed reports and documentation for analysis and design results, making it easier for engineers to communicate their findings and design decisions to stakeholders.
8. Training and Support: CSI provides training programs, tutorials, and technical support to help users learn and effectively use the software.

Overall, ETABS is a powerful tool for structural engineers involved in the analysis and design of building structures, offering advanced capabilities and a user-friendly interface