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According to the microstructure characteristics of sandwich (AFS) panels, two-dimensional random models of AFS panels with different porosities were created by C++ and ANSYS/LS-DYNA software in this paper. The main purpose of the current paper is investigating and analyzing the effects of porosity on the compression behaviors and energy absorption capacities of AFS panels under the same compressive loading on base of established random models. It was found that there were obvious three stages in the stress-strain curves of AFS panels, namely elastic region, collapse region and densification region. In addition, the results also confirmed that porosity had apparent effect on the compressive capacities and energy absorption capacities of AFS panels. Furthermore, through comparison and analysis, the simulation results in this work were basically consistent with the previous theoretical results and experimental results. [doi:10.2320/matertrans.M2015310]

Simulation Analysis of Effect of Porosity on Compression Behavior and Energy Absorption Properties of Aluminum Foam Sandwich Panels