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以５０ｍｍ×９０ｍｍ水平连铸灰铁型材为对象利用直接差分法在反算结晶器内表面热流边界的条件下，并基于型材表面热流等于结晶器相应部位热流的基础上［１］，进行了同时计及轴向传热的三维凝固的数值模拟。将模拟结果与实际结晶前缘相比较，证明模拟结果与实际相吻合。
Using the method of direct difference method, the boundary condition of the heat flux in the inner surface of the mold was deduced by using 50mm × 90mm horizontal continuous casting of gray iron profiles. Based on the fact that the surface heat flux was equal to the heat flux in the corresponding part of the crystallizer [1] Numerical simulation of three-dimensional solidification considering axial heat transfer. The simulation results are compared with the actual crystallization front, which proves that the simulation results are in good agreement with the actual ones.