Computers and Structures, Inc. (CSI) is a

structural A structure is an arrangement and organization of interrelated elements in a material object or system, or the object or system so organized. Material structures include man-made objects such as buildings and machines and natural objects such as ...

and

earthquake An earthquakealso called a quake, tremor, or tembloris the shaking of the Earth's surface resulting from a sudden release of energy in the lithosphere that creates seismic waves. Earthquakes can range in intensity, from those so weak they ...

engineering software company founded in 1975 and based in

Walnut Creek, California Walnut Creek is a city in Contra Costa County, California, United States, located in the East Bay region of the San Francisco Bay Area, about east of the city of Oakland, California, Oakland. Walnut Creek has a total population of 70,127 per t ...

, with additional office location in

New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...

. The

structural analysis Structural analysis is a branch of solid mechanics which uses simplified models for solids like bars, beams and shells for engineering decision making. Its main objective is to determine the effect of loads on physical structures and their c ...

and

design A design is the concept or proposal for an object, process, or system. The word ''design'' refers to something that is or has been intentionally created by a thinking agent, and is sometimes used to refer to the inherent nature of something ...

software CSI produce include SAP2000, CSiBridge, ETABS, SAFE, PERFORM-3D, and CSiCOL. One of Computer and Structure, Inc.'s software, ETABS, was used to create the mathematical model of the

Burj Khalifa The Burj Khalifa (known as the Burj Dubai prior to its inauguration) is a megatall skyscraper in Dubai, United Arab Emirates. With a total height of 829.8 m (2,722 ft, or just over half a mile) and a roof height (excluding the antenna, but inc ...

, currently the world's tallest building, designed by

Chicago, Illinois Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...

–based

Skidmore, Owings & Merrill SOM, an initialism of its original name Skidmore, Owings & Merrill LLP, is a Chicago-based architectural, urban planning, and engineering firm. It was founded in 1936 by Louis Skidmore and Nathaniel Owings. In 1939, they were joined by engineer ...

LLP (SOM). In the ''Structural analysis'' section of their December 2009 ''Structural Engineer'' magazine article entitled "Design and construction of the world's tallest building: The Burj Dubai", since renamed to Burj Khalifa, William F. Baker, S.E. and James J. Pawlikowski, S.E. mention that gravity, wind, and seismic response were all characterized using ETABS. Further, ETABS' geometric nonlinear capability provided for P-delta effect consideration.

References

External links

* {{Official website, http://www.csiamerica.com/, Computers and Structures, Inc. official website Business software companies Companies based in Contra Costa County, California 1975 establishments in California