CSI ETABS Ultimate

Overview

ETABS is the building analysis application, and the distinction matters. General structural software treats a building as an arbitrary collection of members. ETABS treats it as storeys, floors, walls, columns and beams, which means the model is built the way the building is built, similar storeys are defined once and replicated, and the results come back organised by storey rather than as a wall of element numbers.

That organisation runs through everything. Diaphragms are assigned per floor and behave as rigid or semi rigid as specified. Storey drift, storey shear, overturning moment and torsional irregularity are reported per level as design quantities rather than being derived by hand from element results. Vertical elements are meshed automatically and consistently across floors, and the model updates coherently when a storey height or a grid line changes.

The analysis capability is broad. Static and dynamic analysis, response spectrum and time history, non linear static pushover with plastic hinges, non linear time history for performance based design, staged construction accounting for the sequence a building is actually built in, P delta effects, cracked section behaviour, soil structure interaction through spring supports, and base isolation and damper elements for seismic protection systems.

Design is integrated rather than exported. Steel frame design, concrete frame design, shear wall design, composite beam and composite column design, and slab design all run against the selected national code, with the ability to auto select sections from a list and iterate until the design converges. Detailed output shows the governing combination, the controlling check and the demand to capacity ratio for every member, and the documentation module produces the drawings and schedules that come out of that.

Key Features

• Building oriented modelling by storey, floor, wall, column and beam with similar storey replication
• Rigid and semi rigid diaphragm behaviour assigned per floor
• Storey drift, shear, overturning and irregularity checks reported per level
• Static, dynamic, response spectrum and time history analysis
• Non linear pushover and non linear time history for performance based design
• Staged construction analysis following the real build sequence
• Base isolation, damper and link elements for seismic protection systems
• Integrated steel, concrete, shear wall, composite and slab design against national codes
• Auto select section lists with iterative design convergence
• Documentation module producing drawings, schedules and detailed design output

What Changed in This Build

• Additional national design code updates across steel and concrete modules
• Faster solver on tall buildings with many modes and combinations
• Improved shell meshing on irregular floor plates and openings
• Detailed design output reorganised with clearer governing check reporting

System Requirements

Processor	Intel or AMD 64-bit, strong single core performance, 6 cores or more recommended
Memory	16 GB minimum, 32 GB or more for tall buildings and time history runs
Graphics	GPU with 2 GB VRAM and OpenGL or DirectX support
Storage	20 GB free, SSD strongly recommended for result files
Display	1920 x 1080 or higher

Release Details

Full title	CSI ETABS Ultimate
Version string	22.7.0.4095
Publisher	Computers and Structures
Category	CAD and 3D
Licence	Ultimate tier, no term limit
Platform	Windows 10 and 11, 64-bit
Interface language	English interface with regional code packs
Archive size	3.72 GB
Mirrors	4 active, all reporting online
Listed	refreshed 3 weeks ago, checked again 40 minutes ago

Installation Notes

• Define your storey data and grid before drawing anything, the entire model organisation depends on getting that right first.
• Time history result files are very large, keep the model folder on a drive with substantial free space.
• Check your units and code selection against a small hand calculated model once after installing.

Before You Start

Read the notes above before running setup. Most of the problems people write in about are covered there, and almost all of them come down to an older version of the same software still being installed, a graphics driver that predates the release, or a security suite quarantining part of the package mid install.

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Frequently Asked