摘要
研究注塑模流动的数值模拟。用有限元—有限差分方法模拟非牛顿流体的压力场和温度场，用流体网格法（ＦＡＮ）模拟熔体锋面的推进过程，这种方法具有通用性好和容易实现自动推进的优点。在４８６微机上对几个算例进行了模拟计算．比较了牛顿和非牛顿流体的流动特点和锋面推进自动处理的效果，得到了满意的结果。
The filling process of non Newtonian fluid flow in an injection mold was investigated and numericaly simulated. The quasi steady flow field governed by a nonlinear elliptic equation was computed with a finite element method, and the unsteady transport equation of temperature was solved by a mixed finite element finite difference method. For the simulation of melt front advancing, a formulation based on the method of flow analysis network was adopted, which has the advantage of being amenable to automatic algorithm. Examples of computation were given and the results discussed.
出处
《航空学报》
EI
CAS
CSCD
北大核心
1997年第4期448-450,共3页
Acta Aeronautica et Astronautica Sinica
基金
航空科学基金
关键词
注塑模
CAD
非牛顿流体力学
injection mold, filling process of an injection mold, CAD, non Newtonian fluid flow
