基于ProCAST的熔铸装药顺序凝固工艺边界建模方法研究  

Study on boundary modeling of the sequential solidification process for melt-cast charging using ProCAST

作　　者：黄求安 刘恒著[2] 史慧芳 曹红松[2] 王兆国 牛凯博 杨阳 HUANG Qiu’an;LIU Hengzhu;SHI Huifang;CAO Hongsong;WANG Zhaoguo;NIU Kaibo;YANG Yang(Automation Research Institute Co.,Ltd.,China South Industries Group Corporation,Mianyang 621000,China;College of Mechatronic Engineering,North University of China,Taiyuan 030051,China;Shandong North Civil Explosive Equipment Co.,Ltd.,Zibo 255208,China)

机构地区：[1]中国兵器装备集团自动化研究所有限公司,四川绵阳621000 [2]中北大学机电工程学院,太原030051 [3]山东北方民爆器材有限公司,山东淄博255208

出　　处：《兵器装备工程学报》2022年第12期194-200,共7页Journal of Ordnance Equipment Engineering

基　　金：科技计划项目资助(2019-JCJQ-ZD-314)。

摘　　要：目前基于ProCAST的熔铸装药顺序凝固工艺仿真研究中工艺边界建模方法操作繁琐、庞杂等,构建了一种基于移动边界的顺序凝固工艺边界建模方法。利用Translate_(x)功能,自动实弹体模具与冷却液面的相对运动以及模具外壁换热对象的转换,大幅度降低建模工作量。仿真测试表明:该方法能够对顺序凝固工艺温度场、缩孔等进行准确模拟与预测;该方法中所建立的筒状水浴模型壁厚对仿真结果影响小,不同壁厚筒状水浴模型仿真结果最大时间偏差为360 s,仅占总体工艺时间3%左右,可通过缩小壁厚尺寸,减少该模型的额外计算量。Aiming at the problems of complicated operation and complexity in the process boundary modeling methods used in the simulation of sequential solidification process for ProCAST-based melt-cast charging, this paper constructs a process boundary modeling method based on moving boundary. By using Translate_(x) function, the relative motion of the live bullet mold and the cooling liquid surface and the conversion of heat exchange objects on the outer wall of the mold are automated, which greatly reduces the modeling workload. The simulation results show that this method can accurately simulate and predict the temperature field and shrinkage cavity of the sequential solidification process. The wall thickness of the tubular water bath model in the method has little effect on the simulation results. The maximum time deviation of simulation results of tubular water bath models with different wall thicknesses is 360 s. It accounts for 3% of the total process time. The extra computation generated by the water bath model can be reduced by contracting the dimension of wall thickness.

关 键 词：弹药装药 熔铸装药 顺序凝固 装药工艺仿真TJ55 

分 类 号：TJ55[兵器科学与技术—军事化学与烟火技术]