Author(s)

T. Tran-Cong, T. Nguyen-Thien & A.L. Graham

Abstract

Boundary Element Methods (BEM) have been established as useful and powerful tools in a wide range of engineering applications, e.g. Brebbia et a/.* In this paper, we report a particular three dimensional implementation of a direct boundary integral equation (BIE) formulation and its applica- tion to numerical simulations of practical polymer processing operations. In particular, we will focus on the application of the present boundary element technology to simulate an inverse problem in plastics processing by extru- sion. The task is to design profile extrusion dies for plastics. The problem is highly non-linear due to material viscoelastic behaviours as well as un-

Keywords