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Title : Simulation of the Forming Process of Liquid Filled Packages Using Coupled Eulerian-Lagrangian Approach
Company : SIMULIA
File Name : simulation-forming-process-liquid-filled-packages-2010.pdf
Size : 23037
Type : application/pdf
Date : 09-Jul-2011
Downloads : 3

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This study concerns simulation of the forming process of a carton-based package for liquid food (for example, milk or juice), and how the packaging material interacts with the fluid during the forming. The carton-based package is formed inside a filling machine while the fluid is being filled into the package. The carton-based package is thin with low bending stiffness and is thus deformed significantly at small loading. This implies that the forming of the package to a large extent depends on the dynamics of the fluid inside the package. In the filling machine, the filling pipe enters the tube where the carton-based web is partly shaped into a longitudinally sealed tube. The package is formed and transversally sealed below the fluid surface. When forming the transversal seal of the package, the cross-section of the tube changes from open circular to closed in a short period of time, which causes considerable pressure waves inside the package. In order to control the pressure waves and thereby the forming of the package, a pressure flange is mounted on the filling pipe inside the carton-based tube. A coupled Eulerian- Lagrangian approach in Abaqus/Explicit is used in order to study both the deformation of the packaging material and the fluid and the interaction between them entirely within a single finite element model.
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