Abstract
In this update to the laserbeamFoam toolbox, a multi-component version of the solver is included with pair-wise Fickian Diffusion between selected component pairs. This new solver, multiComponentlaserbeamFoam, captures the multi-component nature of mixing between alloys, and as-such could be used to simulate dissimilar laser joining processes, and dissimilar laser-powder-bed additive manufacturing, among others. Additionally a multi-laser version of the original laserbeamFoam solver is included (arraylaserbeamFoam) that can simulate N incident laser sources on a metallic substrate, where the direction, velocity, and other laser characteristics can be specified independently. In both these solvers, as in the original laserbeamFoam solver, the phenomenological recoil pressure treatment is used, as opposed to the full volumetric dilation treatment, for computational tractability.
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