2D Flow Simulation and Analysis of the Filling in Thin Plate Injection Molding
|關鍵字:||計算流體力學軟體;海倫肖爾流;管流;史托克流;FLUENT;Hele-Shaw Flow;Pipe Flow;Stokes Flow|
For now, the use of 3-dimentional (3D) simulation system in the analysis of model injections is time-consuming and not efficient enough for industries. As compared with 3D, 2-dimentional (2D) simulation could be much suitable for the analysis of thin models with relatively simple structure. In this study, we tried to develop a 2D simulation system for the filling of thin model injection to shorten the time needed for the analysis. This 2D simulation system is theoretically based on simplifying the geometrical characteristics of 3D structure via the setting of boundary conditions and parameters. The flow of melted plastic in the thin model injection was considered as the heat flow in the heat conduction. By converting the 3D flow condition of materials to major 2D flow tendency, the time used in simulation could be largely reduced. To optimize boundary conditions and parameters, theoretical computing was performed by the use of Mathematica software and the results were compared with the analysis obtained from Fluent. Using the Fluent software as a platform, the flow of melted plastic in the cavity was stimulated as a heat flow. The results of stimulation for a 7cm × 8cm thin model were then compared with the results collected by the use of Moldex3D eXplorer software for the same model. The results obtained from both Fluent and Moldex3D eXplorer are similar.
|Appears in Collections:||Thesis|
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