Numerical Prediction of Process-Induced Residual Stresses in Glass Bulb Panel

ZHOU Hua-min; SUN Qiang; XI Guo-dong; LI De-qun

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ZHOU Hua-min, SUN Qiang, XI Guo-dong, LI De-qun. Numerical Prediction of Process-Induced Residual Stresses in Glass Bulb Panel[J]. Applied Mathematics and Mechanics, 2006, 27(9): 1047-1055.

Citation:

ZHOU Hua-min, SUN Qiang, XI Guo-dong, LI De-qun. Numerical Prediction of Process-Induced Residual Stresses in Glass Bulb Panel[J]. Applied Mathematics and Mechanics, 2006, 27(9): 1047-1055.

Citation:

ZHOU Hua-min, SUN Qiang, XI Guo-dong, LI De-qun. Numerical Prediction of Process-Induced Residual Stresses in Glass Bulb Panel[J]. Applied Mathematics and Mechanics, 2006, 27(9): 1047-1055.

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Numerical Prediction of Process-Induced Residual Stresses in Glass Bulb Panel

State Key Laboratory of Plastic Forming Simulation and Mold & Die Technology, Huazhong University of Science and Technology, Wuhan 430074, P. R. China

Received Date: 2005-10-19
Rev Recd Date: 2006-04-06
Publish Date: 2006-09-15

Abstract

Abstract

A numerical simulation model for predicting residual stresses which arise during the solidification process of pressed glass bulb panel was developed. The solidification of a molten layer of glass between cooled parallel plates was used to model the mechanics of the buildup of residual stresses in the forming process. A thermorheologically simple thermoviscoelastic model was assumed for the material. The finite element method employed was based on the theory of shells as an assembly of flat elements. This approach calculates residual stresses layer by layer like a truly three-dimensional calculation, which is well suited for thin pressed products of complex shape. An experimental comparison is employed to verify the proposed models and methods.
- glass bulb,
- pressing,
- residual stress,
- numerical prediction

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References(14)

References

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