A new frame super-element in static and dynamic analyses
Author(s)
Author(s)
Cheung, Y. K.
Date Issued
1980
Publisher
University of Western Australia
Related Publication(s)
Proceedings of the 7th Australasian Conference on the Mechanics of Structures and Materials
Start page
19
End page
24
Abstract
A new technique of constructing a frame super- element is introduced to reduce the computational efforts for solving complicated frame problems. By selecting a small number of the frame joints as master nodes, the other joints are treated as slave parameters whose unknowns are related to those of master nodes by interpolation. Following the invariance properties of energy, the slave parameters are eliminated by matrix transformation and the resulting equations of motion are expressed in terms of the master parameters only. Thus, the order of the overall matrices is greatly reduced. The method is approximate in the traditional finite element sense, ie, the accuracy of solution may be improved with finer subdivision or by taking more master nodes inside each super- element (a).
SFU Affiliated Publication
No
Availability at SFU Library
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