Abstract
In an extrusion process of rubber materials, there are a liquid-liquid phase and a gas-liquid phase. It is difficult to solve viscoelastic flow with high Weissenberg number. In this paper, interface between rubbers is solved by using the commercial software. The difficulty in the numerical simulation is specified. The solution to this problem is proposed. The proposed method is applied to the numerical solution of flow problems for a viscoelastic fluid in arbitrary computation domains. The proposed method is enabled to solve the viscoelastic flow with high Weissenberg number in comparison with the conventional method.
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