Paper Title:
The Strength Evaluation and Reliability Analysis of Periodic Symmetric Struts Support
  Abstract

In this paper, strength evaluations and reliability analysis are conducted for different types of PSSS(Periodically Symmetric Struts Supports) based on the FEA(Finite Element Analysis). The numerical models are established at first, and the PMA(Prestressed Modal Analysis) is conducted. The nodal stress value of all of the gauss points in elements are extracted out and the stress distributions are evaluated for each type of PSSS. Then using nonlinear least squares method, curve fitting is carried out, and the stress probability distribution function is obtained. The results show that although using different number of struts, the stress distribution function obeys the exponential distribution. By using nonlinear least squares method again for the distribution parameters a and b of different exponential functions, the relationship between number of struts and distribution function is obtained, and the mathematical models of the stress probability distribution functions for different supports are established. Finally, the new stress distribution model is introduced by considering the DSSI(Damaged Stress-Strength Interference), and the reliability evaluation for different types of periodically symmetric struts supports is carried out.

  Info
Periodical
Key Engineering Materials (Volumes 462-463)
Edited by
Ahmad Kamal Ariffin, Shahrum Abdullah, Aidy Ali, Andanastuti Muchtar, Mariyam Jameelah Ghazali and Zainuddin Sajuri
Pages
1164-1169
DOI
10.4028/www.scientific.net/KEM.462-463.1164
Citation
J. X. Yang, Y. X. Zhang, M. Gheni, P. P. Chang, K. Y. Chen, L. Yu, "The Strength Evaluation and Reliability Analysis of Periodic Symmetric Struts Support", Key Engineering Materials, Vols. 462-463, pp. 1164-1169, 2011
Online since
January 2011
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Price
$32.00
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