Theoretical Analysis and Experimental Verification of the Stress Concentration Factor at the Steel Tube-Welded Hollow Sphere Connection Node

Bo Li; Hong Gang Lei; Xu Yang

doi:10.4028/www.scientific.net/AMM.851.739

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 851Theoretical Analysis and Experimental Verification...

Theoretical Analysis and Experimental Verification of the Stress Concentration Factor at the Steel Tube-Welded Hollow Sphere Connection Node

Abstract:

In this paper, the author uses ANSYS, the software of finite element analysis, to establish the finite element model, the hot spot stress value of different connection structures of steel tube-welded hollow sphere under uniaxial elongation has been analyzed, the theoretical stress concentration factor of this joint has been obtained. Through the static test on the four typical test-piece, 26 steel tube-welded hollow spherical nodes in total, the actually measured stress concentration factor of the joints has been obtained. The theoretical analysis basically coincides with the law of stress concentration factor obtained from the test results.

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Periodical:

Applied Mechanics and Materials (Volume 851)

Pages:

739-744

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.851.739

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Online since:

August 2016

Authors:

Bo Li, Hong Gang Lei*, Xu Yang

Keywords:

Finite Element Analysis, Static Test, Steel Tube-Welded Hollow Sphere, Stress Concentration

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