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STAAD or (STAAD.Pro) is a structural analysis and design computer program originally developed by Research Engineers International at Yorba Linda, CA in 1997. In late 2005, Research Engineers International was bought by Bentley Systems.
An older version called Staad-III for Windows is used by Iowa State University for educational purposes for civil and structural engineers.
The commercial version, STAAD.Pro, is one of the most widely used structural analysis and design software products worldwide. It supports several steel, concrete and timber design codes.
It can make use of various forms of analysis from the traditional 1st order static analysis, 2nd order p-delta analysis, geometric non-linear analysis or a buckling analysis. It can also make use of various forms of dynamic analysis from modal extraction to time history and response spectrum analysis.
In recent years it has become part of integrated structural analysis and design solutions mainly using an exposed API called OpenSTAAD to access and drive the program using a Visual Basic macro system included in the application or by including OpenSTAAD functionality in applications that themselves include suitable programmable macro systems. Additionally, STAAD.Pro has added direct links to applications such as RAM Connection and STAAD.Foundation to provide engineers working with those applications which handle design post processing not handled by STAAD.Pro itself. Another form of integration supported by STAAD.Pro is the analysis schema of the CIMsteel Integration Standard, version 2 commonly known as CIS/2 and used by a number modelling and analysis applications.
- "3D Structural Analysis and Design Software - STAAD.Pro". Bentley.com. Retrieved 2016-07-27.
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- "CE 332 Webpage". Public.iastate.edu. Retrieved 2016-07-27.