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Viscoelastic Foams

Foam materials are due to their cellular structure an interesting material class with attractive properties. The software used for metal foams was extended to simulate the viscoelastic effects during foaming of polymers. Therefore, the numerical method was extended by a rheological model for viscoelastic fluids applied on free surfaces. With this software, the influence of different process parameters on the foam formation was studied.

Development of different foam structures of polymers with different viscosities
Foam formation simulation with a high viscous polymer (click to play)

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