An improved recoil pressure boundary condition for the simulation of deep penetration laser beam welding using the SPH method. In Abbas Khayyer, Damien Violeau, Songdong Shao, and Danilo Durante (Eds.), European Journal of Mechanics - B/Fluids, Elsevier BV, June 2022. [PUMA: Beam BeamWelding Capillary Deep Dynamics Formation Laser Melt Penetration Pressure Ray-Tracing Recoil SPH myown] URL