Residual Stress Research of Cold-Formed Thin-Wall Steel Members Using the Finite Element Method

Hua Chen Liu

doi:10.4028/www.scientific.net/AMM.166-169.3343

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 166-169Residual Stress Research of Cold-Formed Thin-Wall...

Residual Stress Research of Cold-Formed Thin-Wall Steel Members Using the Finite Element Method

Abstract:

This paper analyzes the results of experience and rules of distribution of the cold – formed residual stress. Distribution models of residual stress in cold-formed thin-wall steel that are close to the real condition and initial stress files of ANSYS which can describe the magnitude and distribution of the residual stress are established. This method can be applicable to simulate different distribution of the residual stress. Through importing the files into the stability analysis of ANSYS, ultimate load in the effect of residual stress can be gained. The stability coefficient of cold-formed thin-wall crimping angle steel under influence of the initial bending of 1/750 is studied, comparing the result curve with the one in GB50018-2002, it is proved that the curve is reasonable and the stability coefficient of the code should be suitable to improve.

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Periodical:

Applied Mechanics and Materials (Volumes 166-169)

Pages:

3343-3347

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.166-169.3343

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Online since:

May 2012

Authors:

Hua Chen Liu

Keywords:

Cold-Formed Steel, Finite Element, Residual Stress

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References

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