Abstract
One of the major obstacles in the simulation of laser cutting is the wide span of length scales and the high velocities encountered. Additionally the melt breaks up into a fine spray or shower of droplets when exiting the kerf. Hence the scope for modeling this process with traditional finite volume or finite element methods is limited. In this paper the development of a Smooth Particle Hydrodynamics (SPH) model for laser cutting is introduced. The principle foundations of the method are discussed and results of simulations of the melt flow in kerfs are presented.One of the major obstacles in the simulation of laser cutting is the wide span of length scales and the high velocities encountered. Additionally the melt breaks up into a fine spray or shower of droplets when exiting the kerf. Hence the scope for modeling this process with traditional finite volume or finite element methods is limited. In this paper the development of a Smooth Particle Hydrodynamics (SPH) model for laser cutting is introduced. The principle foundations of the method are discussed and results of simulations of the melt flow in kerfs are presented.
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