铝合金双辊连续铸轧凝固组织模拟的数学模型
Mathematical Model for Simulating Solidification Structureof Twin-roll Continuous Casting Aluminum Alloys
陈守东, 陈敬超, 吕连灏, 冯 晶
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作者单位:昆明理工大学 稀贵及有色金属先进材料教育部重点实验室 云南省新材料制备与加工重点实验室,云南 昆明650093
中文关键字:双辊连续铸轧; 凝固组织; 数值模拟; 数学模型; 研究展望
英文关键字:twin-roll continuous casting rolling; solidification structure; numerical simulation; mathematical model; research expect
中文摘要:综述了近年来双辊薄带连铸过程与凝固组织数学模型以及物理数学多场耦合模型的研究和进展情况。对传热、流动、应力等多场耦合模型、宏观-微观模型的建模思想、特点和结论等进行了分析和比较,指出了目前还存在的问题,并展望了今后的发展方向。
英文摘要:The recent research progress of physical and mathematical model of casting process and solidification microstructure of twin-roll strip continuous casting was discussed. The basic idea, characteristic, and the theory of the heat transfer-flow-stress coupled multi-filed model, and the macro-micro model were analyzed. The existing problems and development trends were pointed out.