中文摘要：

调用混合 Lagrangian 的一个新方法和 Eulerian 方法(英里方法) 被用来在钢 YF45MnV 的连续扔的过程期间模仿 thermomechanical 行为。模拟结果是基本上与测量数据一致。在团结的开始的推迟的时期在是对在文学的数据的同意的团结时间的方形的根是大约 0.1，并且在线性关系轰炸厚度增加摆平团结时间的根。当扔继续，花蕾表面温度逐渐地减少。在角落的有效压力比那大得多在中间脸。角落区域是裂开的危险地区。空气差距和热撕指示物上的模子流动裂缝温度的效果也被建模。模型预言有模子流动的增加的花蕾表面温度增加打破温度，但是热流动随模子流动裂缝温度的增加减少。当模子流动裂缝温度更高时，热撕指示物小得多。

英文摘要：

A new method called mixed Lagrangian and Eulerian method （MILE method） was used to simulate the thermomechanical behavior during continuous casting process of steel YF45MnV. The simulation results are basically in agreement with the measured data. The delaying period at the beginning of solidification is about 0.1. in square root of solidification time which is agreement with the data in literatures, and shell thickness increases in linear relation to square root of solidification time. The bloom surface temperature decreases gradually as the casting proceeds. The effective stress in the comer is much larger than that in the mid-face. The comer area is the dangerous zone of cracking. The effects of mold flux break temperature on the air gap and hot tearing indicator were also modeled. The model predicts that the bloom surface temperature increases with the increase of the mold flux break temperature, but the heat flux decreases with the increase of the mold flux break temperature. ,The hot tearing indicator is much smaller when the mold flux break temperature is higher.