Geodesic
The role of surface tension and wetting in the cultivation of metal products in direct laser 3D printing technologies
Dalʹnevostočnyj matematičeskij žurnal, Tome 24 (2024) no. 2, pp. 157-169

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The three-dimensional convective heat and mass transfer occurring in a metal melt bath during layer build-up in 3D laser printing technologies (L-DED technology) is considered. The mathematical model of the considered non-isothermal hydrodynamic process with a phase transition is based on the Navier – Stokes, continuity and energy equations, taking into account diffusion, convective and radiative heat losses. The dynamic model of the free surface of the metal melt includes a Laplace pressure jump, Marangoni forces and wetting conditions. The numerical solution of the problem is performed by the method of mixed finite elements with a divergently stable approximation of the main variables. The influence of surface tension and wetting dynamics on the evolution of geometric parameters of a melt bath during thin wall growth is shown. 
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     author = {N. I. Belozerov and K. A. Chekhonin},
     title = {The role of surface tension and wetting in the cultivation of metal products in direct laser {3D} printing technologies},
     journal = {Dalʹnevosto\v{c}nyj matemati\v{c}eskij \v{z}urnal},
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     volume = {24},
     number = {2},
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     url = {http://geodesic.mathdoc.fr/item/DVMG_2024_24_2_a0/}
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N. I. Belozerov; K. A. Chekhonin. The role of surface tension and wetting in the cultivation of metal products in direct laser 3D printing technologies. Dalʹnevostočnyj matematičeskij žurnal, Tome 24 (2024) no. 2, pp. 157-169. http://geodesic.mathdoc.fr/item/DVMG_2024_24_2_a0/