New Platforms Based on Frontal Cellular Automata and Lattice Boltzmann Method for Modeling the Forming and Additive Manufacturing

Łach, Łukasz; Svyetlichnyy, Dmytro

doi:10.3390/ma15217844

Cited by 2 publications

(2 citation statements)

References 47 publications

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“…FCA has a very wide range of applications in the context of modeling various processes and phenomena occurring in materials. This method, among others, has been used successfully for the modeling of recrystallization [29], additive manufacturing [29,30], and rolling [31]. Recently, parallel computing modeling is also being realized on a larger scale; for example, Zhu et al [32] realized the three-dimensional multi-phase-field simulation of a eutectoid alloy based on an OpenCL parallel.…”

Section: Introductionmentioning

confidence: 99%

3D Model of Carbon Diffusion during Diffusional Phase Transformations

Łach,

Svyetlichnyy

2024

Materials

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The microstructure plays a crucial role in determining the properties of metallic materials, in terms of both their strength and functionality in various conditions. In the context of the formation of microstructure, phase transformations that occur in materials are highly significant. These are processes during which the structure of a material undergoes changes, most commonly as a result of variations in temperature, pressure, or chemical composition. The study of phase transformations is a broad and rapidly evolving research area that encompasses both experimental investigations and modeling studies. A foundational understanding of carbon diffusion and phase transformations in materials science is essential for comprehending the behavior of materials under different conditions. This understanding forms the basis for the development and optimization of materials with desired properties. The aim of this paper is to create a three-dimensional model for carbon diffusion in the context of modeling diffusional phase transformations occurring in carbon steels. The proposed model relies on the utilization of the LBM (Lattice Boltzmann Method) and CUDA architecture. The resultant carbon diffusion model is intricately linked with a microstructure evolution model grounded in FCA (Frontal Cellular Automata). This manuscript provides a concise overview of the LBM and the FCA method. It outlines the structure of the developed three-dimensional model for carbon diffusion, details its correlation with the microstructure evolution model, and presents the developed algorithm for simulating carbon diffusion. Demonstrative examples of simulation results, illustrating the growth of the emerging phase and affected by various model parameters within particular planes of the 3D calculation domain, are also presented.

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Section: Introductionmentioning

confidence: 99%

3D Model of Carbon Diffusion during Diffusional Phase Transformations

Łach,

Svyetlichnyy

2024

Materials

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“…Most studies on the particle scale are limited to one cycle of the process and one material, although simulations with several layers and several metals have recently been published [33][34][35]. The holistic model of the entire SLM process developed and presented in [36][37][38][39][40][41][42][43] had the same limitation related to the imperfection of the powder deposition models. The improved model presented here allows for the simulation of multistage multi-material SLM processes.…”

Section: Introductionmentioning

confidence: 99%

Model of the Selective Laser Melting Process-Powder Deposition Models in Multistage Multi-Material Simulations

Svyetlichnyy

2023

Applied Sciences

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This paper presents one of the final stages in the development of a holistic model of the selective laser melting (SLM) process. The holistic model developed previously allows for modeling of only one stage of SLM, which limits simulations to one cycle with one material. The lattice Boltzmann method is applied for simulation of laser treatment, melting, fluid flow, and solidification. Several models of powder bed generation were developed within the framework of the holistic model and are described in this paper. They were developed on the basis of static and dynamic physical principles with the use of cellular automata, their own code, and the Unity® platform. They employed continuous and discrete particle representation and incorporated a model of powder deposition with particles of atomized or arbitrary shape. The closing of the external simulation circuit, which contains the powder bed generation model, cycle initialization, its realization by the model based on the Lattice Boltzmann Method (LBM), and the powder removal model, allows us to finish one simulation cycle of laser treatment and initialize the next, thereby enabling multistage multi-material simulations. The simulation results of the multistage SLM process with the Ti-6Al-V alloy and bioactive glass are presented in this paper. These simulation results confirm the possibility of modeling several SLM stages with two different materials. The holistic model can be used for simulation, design, and optimization of multistage, multi-material SLM processes.

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New Platforms Based on Frontal Cellular Automata and Lattice Boltzmann Method for Modeling the Forming and Additive Manufacturing

Cited by 2 publications

References 47 publications

3D Model of Carbon Diffusion during Diffusional Phase Transformations

3D Model of Carbon Diffusion during Diffusional Phase Transformations

Model of the Selective Laser Melting Process-Powder Deposition Models in Multistage Multi-Material Simulations

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