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- W2947871008 abstract "Abstract A new model is presented for predicting the distributions of lateral metal flow, tension and rolling pressure in hot strip rolling, with a fast speed capable of real-time application in the shape control system, helping to achieve high-quality flat products and rolling stability. To reduce the computational cost, a quasi-3D approximation is performed, preserving the essential physics of the problem. The equations of rolling deformation are decoupled, linearized and then discretized by the finite difference method to establish a global system of linear equations and achieve efficiency and robustness of the iterative solution. The model is validated by comparisons of the predictions with those obtained by the full-scale finite element simulations. In all thick and thin cases with various exit strip crowns, the results match, with errors of less than 15%, while reducing the calculation time to 0.1 s. It is found that the lateral flow is highly coupled with tension and rolling pressure, and is therefore important for the shape prediction in hot strip rolling. The metal flow model is also complemented with a roll stack deformation model to predict strip profile, and comparisons with industrial experiment measurements show a satisfactory accuracy." @default.
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- W2947871008 date "2019-08-01" @default.
- W2947871008 modified "2023-09-29" @default.
- W2947871008 title "A real-time quasi-3D metal flow model for hot strip rolling" @default.
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- W2947871008 doi "https://doi.org/10.1016/j.ijmecsci.2019.05.045" @default.
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