| NUMERICAL PREDICTION OF PROCESS-INDUCED RESIDUAL STRESSES IN GLASS BULB PANEL |
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| 作者姓名： | 周华民 孙强 奚国栋 李德群 |
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| 作者单位： | State Key Lab of Plastic Forming Simulation and Mold and Die Technology,Huazhong University of Science and Technology, Wuhan 430074, P. R. China |
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| 摘 要： | 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 was employed to verify the proposed models and methods.
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| 关 键 词： | 压制 残留压力 数字预测 数字模拟模型 |
| 文章编号： | 10.1007/s10483-006-0906-z |
| 收稿时间： | 2005-10-19 |
| 修稿时间： | 2006-04-06 |
Numerical prediction of process-induced residual stresses in glass bulb panel |
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| Hua-min Zhou Doctor,Qiang Sun,Guo-dong Xi,De-qun Li.NUMERICAL PREDICTION OF PROCESS-INDUCED RESIDUAL STRESSES IN GLASS BULB PANEL[J].Applied Mathematics and Mechanics(English Edition),2006,27(9):1197-1206. |
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| Authors: | Hua-min Zhou Doctor Qiang Sun Guo-dong Xi De-qun Li |
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| Institution: | State Key Lab of Plastic Forming Simulation and Mold and Die Technology,Huazhong University of Science and Technology, Wuhan 430074, P. R. China |
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| 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 was employed to verify the proposed models and methods. |
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| Keywords: | glass bulb pressing residual stresses numerical prediction |
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