Physics-embedded graph network for accelerating phase-field simulation of microstructure evolution in additive manufacturing
The phase-field (PF) method is a physics-based computational approach for simulating
interfacial morphology. It has been used to model powder melting, rapid solidification, and
grain structure evolution in metal additive manufacturing (AM). However, traditional direct
numerical simulation (DNS) of the PF method is computationally expensive due to
sufficiently small mesh size. Here, a physics-embedded graph network (PEGN) is proposed
to leverage an elegant graph representation of the grain structure and embed the classic PF …
interfacial morphology. It has been used to model powder melting, rapid solidification, and
grain structure evolution in metal additive manufacturing (AM). However, traditional direct
numerical simulation (DNS) of the PF method is computationally expensive due to
sufficiently small mesh size. Here, a physics-embedded graph network (PEGN) is proposed
to leverage an elegant graph representation of the grain structure and embed the classic PF …
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