So it is necessary to develop the coupled model of heat transfer and stress for continuous casting billet.
2
建立了连铸坯凝固过程传热数学模型与BP网络预测模型，并根据实测数据对两种模型分别进行了验证。
Heat transfer mathematical model and BP networks prediction model during solidification of continuous casting slab are established and verified with the measured data.
3
连铸坯凝固时的传热过程是一个十分复杂的过程，用等效传热系数的方法来描述则简便易行。
The process of heat transfer while slab and billet solidifies is very complicated, but it become easy to describe by equivalent heat transfer coefficient.
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