Abstract

Gas entrainment is one of the major defects caused in the casting filling process. Since the particle method is a Lagrangian method that does not use a lattice, it can easily analyze large deformations and boundary movements, so it has the potential to be applied to gas defect prediction as a methodology. However, in the two-phase flow simulation including gas entrainment, the analysis fails when the gas / liquid density ratio becomes smaller than about 1/10 in the conventional SPH. Therefore, two dimensional two-phase flow SPH methodology was developed. Then, authors extended the methodology to three dimensions that can be applied to gas entrainent during a die cast filling process.


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Published on 06/07/22
Submitted on 06/07/22

Volume 1200 Modeling and Analysis of Real World and Industry Applications, 2022
DOI: 10.23967/wccm-apcom.2022.045
Licence: CC BY-NC-SA license

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