Numerical Filling Simulation of Injection Molding Using Three-Dimensional Model

被引：2
|
作者：
Geng Tie Li Dequn Zhou Huamin State Key Lab.of Mould & Die Technology
机构：
来源：
CADDM | 2003年 / Z1期
关键词：
three dimension; equal-order interpolation; simulation; injection molding;
D O I：
10.19583/j.1003-4951.2003.z1.002
中图分类号：
TP391.9 [计算机仿真];
学科分类号：
080203 ;
摘要：
Most injection molded parts are three-dimensional, with complex geometrical configurations and thick/thin wall sections. A 3D simulation model will predict more accurately the filling process than a 2.5D model. This paper gives a mathematical model and numeric method based on 3D model, in which an equal-order velocity-pressure interpolation method is employed successfully. The relation between velocity and pressure is obtained from the discretized momentum equations in order to derive the pressure equation. A 3D control volume scheme is employed to track the flow front. Th e validity of the model has been tested through the analysis of the flow in cavity.
引用
收藏
页码：6 / 14
页数：9
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