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The effect of plastic anisotropy on the calibration of an equivalent model for clinched connections
Abstract To increase the accuracy of an equivalent clinch joint model, the effect of plastic anisotropy and residual material state is investigated by using three different yield functions (von Mises, Hill's 48 and Yld2000-2d). The results show that the residual stress state affects the calibration accuracy of the elastic and plastic parameters of the equivalent model in the normal direction of the joint. Moreover, it is shown that the adopted yield function significantly affects the calibration of the plastic model parameters. For the shear direction of the joint, however, the choice of the yield function does not affect the calibration accuracy.
Highlights Incorporation of plastic anisotropy is investigated for equivalent joint calibration. Incorporation of residual state is investigated for equivalent joint calibration. The choice of yield function affects the joint's axial plastic accuracy. Consideration of a residual material state will affect the elastic and plastic accuracy.
The effect of plastic anisotropy on the calibration of an equivalent model for clinched connections
Abstract To increase the accuracy of an equivalent clinch joint model, the effect of plastic anisotropy and residual material state is investigated by using three different yield functions (von Mises, Hill's 48 and Yld2000-2d). The results show that the residual stress state affects the calibration accuracy of the elastic and plastic parameters of the equivalent model in the normal direction of the joint. Moreover, it is shown that the adopted yield function significantly affects the calibration of the plastic model parameters. For the shear direction of the joint, however, the choice of the yield function does not affect the calibration accuracy.
Highlights Incorporation of plastic anisotropy is investigated for equivalent joint calibration. Incorporation of residual state is investigated for equivalent joint calibration. The choice of yield function affects the joint's axial plastic accuracy. Consideration of a residual material state will affect the elastic and plastic accuracy.
The effect of plastic anisotropy on the calibration of an equivalent model for clinched connections
Breda, Andreas (author) / Coppieters, Sam (author) / Kuwabara, Toshihiko (author) / Debruyne, Dimitri (author)
Thin-Walled Structures ; 145
2019-08-19
Article (Journal)
Electronic Resource
English
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