科研之友
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摘要
In this paper, the three-dimensional transient model of the mould temperature is established and the temperature variation is analyzed with the consideration of different mould wall thickness and cooling water rates. For the numerical computation, a corresponding finite element method (FEM) program is developed with FORTRAN language, and 6-face and 8-node isoparameter elements are applied; the Newton method is used to solve the heat equations. The experimental data have been used to validate the model. According to the calculated temperature distribution, the appropriate mould wall thickness is 10mm and the different parts of the mould should be equipped with cooling water of different rates in order to cool the mould efficiently.
