Krishnan, Swaminathan (2004) FRAME3D - A Program for Three-Dimensional Nonlinear Time- History Analysis of Steel Buildings: User Guide. California Institute of Technology . (Unpublished) http://resolver.caltech.edu/CaltechEERL:EERL-2003-03
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FRAME3D is a program for the three-dimensional nonlinear analysis of steel buildings. It aims to overcome the computational challenges posed by full 3D analysis of buildings subject to earthquake ground motion. The element library consists of a plastic hinge beam element, an elastofiber beam element, a panel zone element, a 4-noded diaphragm element to model floor slabs, and an elastic translational/rotational spring element to model foundations and supports. The program utilizes a Netwon-Raphson iteration strategy applied to an implicit Newmark time-integration scheme to solve the nonlinear equations of motion at each time-step. Geometric nonlinearity and shear deformation are included in the formulation. This document serves as a User Guide to the program. All the input and output variables encountered by the user are described here along with brief descriptions of the various types of elements. In addition, 2 examples illustrating the capabilities and usage of the program are presented. Finally a glossary of all the variables is alphabetically listed at the end of the document for the user's convenience.
|Item Type:||Report or Paper (Technical Report)|
|Additional Information:||PhD, 2004|
|Group:||Earthquake Engineering Research Laboratory|
|Usage Policy:||You are granted permission for individual, educational, research and non-commercial reproduction, distribution, display and performance of this work in any format.|
|Deposited By:||Imported from CaltechEERL|
|Deposited On:||24 Feb 2004|
|Last Modified:||26 Dec 2012 14:00|
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