研究了铝铸轧的前箱及铸嘴型腔的流场的有限元分析的计算标准;采用通用有限元计算软件ANSYS的FLOTRAN模块对型腔流场进行模拟计算;对计算结果运用ANSYS自带的后处理技术及使用MATLAB软件对结果数据进行了处理,比较了两种模拟工况的流场模型的出口速度线图,并参照两次现场实验的现象及数据,定量讨论了流场有限元计算的出口速度的绝对误差、相对误差,及其与出板速度、出口开口度大小等因素的关系.总结了流场有限元计算的许用不均匀度,即稳定生产所要求的流场波动限度的标准的取值范围及其适用条件,为未来有限元分析计算确定了初步依据.
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