点阵-薄壁加筋承载结构优化设计方法研究进展

doi:10.7527/S1000-6893.2025.33063

Abstract

Abstract:

The thin-walled structure with lattice and stiffeners is a typical hybrid structure and effectively combines the load-bearing merits of lightweight lattices and thin-walled stiffened configurations， while demonstrating significant multifunctional potential that provides novel technical solutions for aerospace structural lightweighting. The increasing maturity of metal additive manufacturing technologies has laid a reliable foundation for the practical application of lattice structures. To facilitate the implementation of lattice structures in aerospace engineering， this paper focuses on thin-walled structures with lattice and stiffeners， primarily from the perspective of load-bearing structural design and its practical applications. Building upon the joint team’s recent exploratory applications， this paper systematically outlines four critical aspects： fundamental characteristics of lattice structures， macroscale mechanical analysis methodologies， design of the lattice Representative Volume Element （RVE）， eptimization design methodologies for thin-walled load-bearing structures with lattice and stiffeners. These systematic analyses aim to establish comprehensive reference guidelines for engineering designers. Furthermore， based on challenges encountered in aerospace， aviation， and aero-engine applications， this paper identifies priority research domains requiring urgent attention and critical technologies demanding breakthroughs in the hybrid structure design， offering valuable insights for researchers in related fields.

Key words: lightweight, lattice, thin-walled stiffened structure, structural optimization, topology optimization, additive manufacturing

CLC Number:

V214.19

Tong GAO, Shilong SU, Zhuang LI, Shijie XU, Jihong ZHU, Shaoping ZHANG, Weihong ZHANG. Research progress on optimization design method for thin-walled load-bearing structure with lattice and stiffeners[J]. Acta Aeronautica et Astronautica Sinica, 2026, 47(15): 433063.

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Research progress on optimization design method for thin-walled load-bearing structure with lattice and stiffeners

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