Numerical modeling and study of the behavior of metallic foams under impact
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Date
2023
Authors
BENSALEM Ilyas
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Abstract
This research work presents an original approach to generate a realistic and accurate 3D computational model of
irregular closed-cell foams with relative density control and detailed finite element analysis of their mechanical
performance under quasi-static loading up to densification. The modeling approach was successfully verified by
comparing cell-morphological details of the generated models with those produced experimentally available in the
literature and by the high-quality of obtained 3D printed models containing complex shapes and irregular cell wall
thickness distribution. The performance of the proposal in finite element analysis has been investigated by
subjecting a designed 3D RVE solid model of closed-cell aluminum foam to a quasi-static loading up to the
densification stage, which is the range of deformation usually utilized in engineering applications. The new design
method offers suitable numerical models for AM technology, and plenty of experimental works on closed-cell
foam can be reduced for engineering applications.