STAAD
Encyclopedia
STAAD or is a structural analysis
Structural analysis
Structural analysis is the determination of the effects of loads on physical structures and their components. Structures subject to this type of analysis include all that must withstand loads, such as buildings, bridges, vehicles, machinery, furniture, attire, soil strata, prostheses and...

 and design computer program originally developed by Research Engineers International in Yorba Linda, CA. In late 2005, Research Engineer International was bought by Bentley Systems
Bentley Systems
Bentley Systems, Incorporated is a software company that produces solutions for the design, construction and operation of infrastructure. The company’s software serves the building, plant, civil, and geospatial vertical markets in the areas of architecture, engineering, construction and operations...

. www.bentley.com/en-US/Products/STAAD.Pro/

STAAD.Pro is one of the leading structural analysis and design software which supports more than 100 steel, concrete and timber design codes and has the largest worldwide user base. http://www.bentley.com/en-US/Products/STAAD.Pro/

It can make use of various forms of analysis from the traditional 1st order static analysis, 2nd order p-delta
P-Delta Effect
In structural engineering, the P-Δ or P-Delta effect refers to the abrupt changes in ground shear, overturning moment, and/or the axial force distribution at the base of a sufficiently tall structure or structural component when it is subject to a critical lateral displacement.The P-Delta effect is...

 analysis, geometric non linear analysis or a buckling
Buckling
In science, buckling is a mathematical instability, leading to a failure mode.Theoretically, buckling is caused by a bifurcation in the solution to the equations of static equilibrium...

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 an VB macro system included in the application or other by including OpenSTAAD functionality in applications that themselves include suitable programmable macro systems. Additionally STAAD.Pro is 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 handeld 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.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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