Simulated results show that obtained parts has few defects, such as inclusion and cold shut due to smooth mold filling and uniform distribution of temperature field.
模拟结果表明，该浇注系统填充过程平稳，温度场分布均匀，所得压铸件气体夹杂和冷隔缺陷少，整体质量较高。
Three-dimension fluid field coupled with temperature field numerical simulation program was debugged. And worked out, three-dimension mold filling course can bitterly numerical simulated.
编制调试了三维充型过程的流场、温度场耦合数值模拟计算程序，能够较好地数值计算模拟铸件三维充型过程。
An empiric calculated formula of mold filling as a function of vacuum rate, pattern density, pouring temperature and metal static head was established through multiple regression.
通过多元线性回归建立了充型速度随真空度、模样密度、浇注温度、金属静压头变化的经验计算公式，并研究了该公式在充型过程数值模拟中的应用。
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