In practical engineering, we usually hope to find equivalent models for complex structures to simplify their mechanical analysis. Honeycomb structure has the characteristics of light weight, high stiffness and good energy absorption, etc., and is used in the anti-collision structure. However, As a continuum, the equivalent model of honeycomb structure is relatively rare. In order to simplify the mechanical analysis (displacement, energy absorption), we propose an equivalent model called system of mass-spring-damper (SMSD) to describe the displacement and energy absorption of honeycomb. We propose the equivalent theory by taking the hexagonal honeycomb structure as an example, and use the method of numerical simulation to prove the correctness of the theory. Besides, different forms of honeycomb structures are discussed, and the application scope of the theory is given. In this paper, the honeycomb and SMSD are considered simultaneously, which provides a new idea for the research of honeycomb structure.
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