Analysis of lateral compression performance of composite sandwich structure

Composite sandwich structures are increasingly widely used in aircraft structures due to their own characteristics, and it is more and more necessary to study the strength performance of composite sandwich structures. In this paper, through the lateral compression test of fiber-reinforced composite sandwich structure of honeycomb and foam sandwich, the test load-displacement curve and failure mode are analyzed, and the finite element analysis is carried out. The calculated failure load and failure mode are also in good agreement with the test results, which provides the test and analysis basis for engineering design and application.