Sandwich Panels with Honeycomb and Foam Cores Subjected to Blast and Impact Load: A Revisit to Past Work

Sandwich panels have wide applicability in blast- and impact-resistant design of structures due to their phenomenal energy absorption capacity, albeit being considerably light in weight. A sandwich panel consists of core(s) and facesheets, wherein the core contributes majorly to the energy absorption capacity and the facesheets contribute the stiffness of the sandwich panel. The dynamic response of sandwich panel subjected to blast and/or impact loads can be obtained with the help of analytical solutions, experiments/tests, and finite element analyses. In this article, the influence of the variations in the geometry and material of the different components of a sandwich panel, on the overall dynamic response of the panel is reported extensively based on the studies conducted so far. Moreover, a comprehensive review is conducted on the behavior of sandwich panels with respect to the various shapes of cores and facesheets, different types of core grading, and the use of stiffeners. This state-of-the-art review also gives a clear insight on the various available and widely used experiment/test setups and finite element tools for conducting blast and impact test/analysis on sandwich panels.?

Automated summary

Sandwich panels, consisting of cores and facesheets, are widely used in blast- and impact-resistant design due to their excellent energy absorption capacity and lightweight. This article extensively reports the influence of variations in the geometry and material of the components on the overall dynamic response of sandwich panels, and provides a comprehensive review on the behavior of sandwich panels with different shapes of cores and facesheets, core grading, and the use of stiffeners. The review also discusses available experiment/test setups and finite element tools for conducting blast and impact tests/analysis on sandwich panels.