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Vorstius, Jan Bernd
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Publications (4/4 displayed)
- 2021Phase Field & Monte Carlo Potts Simulation of Grain Growth and Morphology of Vertically Upwards Cast Oxygen Free Copper
- 2021Optimising Computational Fluid Dynamic Conditions for Simulating Copper Vertical Castingcitations
- 2015Capsule-based ultrasound-mediated targeted gastrointestinal drug deliverycitations
- 2009Bio-Mechanical Evaluation of a 3D Printed Composite Material
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article
Optimising Computational Fluid Dynamic Conditions for Simulating Copper Vertical Casting
Abstract
A 2-D finite volume Computational Fluid Dynamic (CFD) model, using Ansys Fluent vR.1 of a vertically oriented upwards continuous casting (VUCC), was investigated for 8 mm, oxygen free copper (OFCu). The simulations enabled the mapping of the cast OFCu solidification front (SF) interface from liquid to solid. Optimisation of the simulation parameters were investigated which included mesh size and the Ansys specific ‘mushy zone’ constant (Amush), which is used to account for fluid flow dampening at SF within the model. Observations of the SF, the change in fluid volume in the die, the simulation convergence and the total simulation time, revealed that the optimised casting parameters were for mesh size 1×10-4 m and Amush 106 kg/m3 s. These parameters were compared with the cast rod and highlighted qualitatively the relationship between grain growth direction and SF position during a casting pulse cycle.