The Proceedings of The Computational Mechanics Conference
Online ISSN : 2424-2799
2022.35
Session ID : 8-08
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Lattice Boltzmann and Multi-phase Field Methods for Laser Powder Bed Fusion Additive Manufacturing Process
*Sukeharu NOMOTONaoki WATANABEJun KATAGIRIMakoto WATANABE
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Abstract

A Multi-phase field lattice Boltzmann method for melting, gas/liquid flow and solidification in powder bed fusion process of Ni alloy additive manufacturing is developed. Improved lattice kinetic scheme is adapted for gas/liquid free surface flow simulation. High speed calculation is achieved by MPI&OpenMP hybrid parallelization. It is confirmed that this method has high capability to simulate the powder bed fusion process in detail.

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© 2022 The Japan Society of Mechanical Engineers
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