Author(s)

Changxin Lin ¹

Affiliation(s)

¹ School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China

Corresponding Author

Changxin Lin

ABSTRACT

Periodic hierarchical porous structures possess advantages such as lightweight, high load-bearing capacity, and good energy absorption, making them promising for applications in buffer protection and lightweight load-bearing applications. This paper selects four structures, establishes in-plane and out-of-plane compression models, and conducts comparative analysis under unified conditions. The mechanical properties are evaluated through force-displacement curves, considering peak force, average compressive force, total energy absorption, and load efficiency. The results show that the structural configuration and loading direction significantly affect the deformation mode and mechanical response. Different structures exhibit differences in load-bearing capacity and energy absorption: some structures have high multi-directional load-bearing capacity, some show significant load-bearing enhancement during the compaction stage, some have relatively balanced responses, while a few structures have lower load-bearing capacity and require further optimization. The research results can provide a reference for the design of related structures.

KEYWORDS

Periodic hierarchical porous structure; In-plane compression; Out-of-plane compression; Energy absorption performance

CITE THIS PAPER

Changxin Lin. Mechanical Property Analysis of Periodic Hierarchical Porous Composite Structures. Journal of Engineering Mechanics and Machinery (2026). Vol. 11, No. 2, 82-90. DOI: http://dx.doi.org/10.23977/jemm.2026.110209.

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