|Table of Contents|

Analysis of Relationship Between Buckling Load and Eigenfrequency of Schwedler Latticed Domes(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2009年03期
Page:
37-41
Research Field:
Publishing date:
2009-09-20

Info

Title:
Analysis of Relationship Between Buckling Load and Eigenfrequency of Schwedler Latticed Domes
Author(s):
DENG Chang-gen;  ZHUO Jie
Department of Building Engineering, Tongji University, Shanghai 200092, China
Keywords:
Schwedler latticed dome;  buckling load;  eigenfrequency;  nonlinear vibration;  linear vibration;  stability
PACS:
TU311.2
DOI:
-
Abstract:
By using the principle of dynamics, the relationships between buckling load and eigenfrequency of latticed domes were analyzed. The linear buckling analysis, the nonlinear buckling analysis and the eigenfrequency analysis of a Schwedler latticed dome were conducted by using the finite element method. In contrary to the buckling load values obtained from the linear and nonlinear buckling analysis, the reliabilities of buckling load values obtained from the method of load and eigenfrequency were substantiated and the load and eigenfrequency fitting curves were obtained, meanwhile, the corresponding fitting formulas were deduced. The results show that the relative error of fitting formula of calculated results and finite element analysis results was less than 4.3%; the load and eigenfrequency relation method has some referential worth and practical guidance significance in latticed domes stability monitoring.

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Last Update: 2009-09-20