Paper Title:
Effective Flexibility Calculation for Beams with Periodic In-Homogeneities
  Abstract

Analysis of structures including periodically arrayed in-homogeneities, whether they are microscopic or macroscopic, can be simplified by using homogenized properties. If the unit structure is repeated in a longitudinal direction, the whole structure may be regarded as a beam with effective flexibility. This study proposes a kinematical periodicity constraint to be imposed on the FE model of the unit structure for beams, which improves the accuracy of the effective flexibility along with reduction of the model size. The method is applied to a beam-in-space containing repetitive un-symmetric holes, and it is demonstrated that the deformation behavior of the homogenized beam agrees well with that of the real structure.

  Info
Periodical
Key Engineering Materials (Volumes 321-323)
Edited by
Seung-Seok Lee, Joon Hyun Lee, Ik Keun Park, Sung-Jin Song, Man Yong Choi
Pages
897-900
DOI
10.4028/www.scientific.net/KEM.321-323.897
Citation
I. S. Chung, Y. S. Chai, "Effective Flexibility Calculation for Beams with Periodic In-Homogeneities", Key Engineering Materials, Vols. 321-323, pp. 897-900, 2006
Online since
October 2006
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$32.00
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