Blest, David; Duffy, Brian R.; McKee, Sean; Tomé, Murilo F. Two studies in process modelling: Injection moulding and resin film infusion. (English) Zbl 0857.76007 IMA J. Math. Appl. Bus. Ind. 7, No. 1, 23-37 (1996). Summary: We discuss two problems from important areas of process modelling, namely injection moulding and resin film infusion. The first comes from the food-processing sector, and involves the filling of tubs with liquid foodstuffs. The approach taken here is computational, with the foodstuffs modelled as incompressible viscous (Newtonian or non-Newtonian) fluids. In practice, the liquids have multiple free surfaces; the correct treatment of these surfaces is a crucial element of the modelling herein.Resin film infusion is one of the preferred processes for the manufacture of composite materials. In essence it involves squeezing a viscous incompressible fluid into a woven carbon-fibre matrix. With the matrix treated as a porous medium, and with exothermic reactions (and consequent thermal effects) neglected, simple analytical results are obtainable which can be verified by straightforward engineering experiments. MSC: 76A05 Non-Newtonian fluids 76D99 Incompressible viscous fluids 76S05 Flows in porous media; filtration; seepage Keywords:analytic solution; numerical solution; food-processing; liquid foodstuffs; free surfaces; composite materials; squeezing; woven carbon-fibre matrix PDFBibTeX XMLCite \textit{D. Blest} et al., IMA J. Math. Appl. Bus. Ind. 7, No. 1, 23--37 (1996; Zbl 0857.76007)