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Mechanical Behavior and Numerical Simulation of Sandwich Composites (Second Edition)

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (20 November 2025) | Viewed by 191

Special Issue Editor

School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Interests: composites; lattice architectures; advanced and smart materials; material characterization; mechanical properties; impact and ballistic resistance; vibration attenuation; heat transfer; additive manufacturing; intelligent manufacturing
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Special Issue Information

Dear Colleagues,

Sandwich structures have a high strength-to-weight ratio, good thermal and acoustic insulation properties, and resistance to buckling and crushing. They also offer enhanced durability and impact resistance compared to solid materials. At present, sandwich structures are used in a wide range of applications, including aircraft wings and fuselages, boat hulls, wind turbine blades, and building facades. They are an essential component of modern engineering design and are constantly being improved and refined to meet the demands of a changing world. The mechanical behavior of sandwich composites can be analyzed and predicted using both analytical and numerical methods. Finite element analysis (FEA) is a numerical method that is widely used to simulate the mechanical behavior of sandwich composites. It can be used to predict the vibration, failure performance, or fatigue life of sandwich composites and optimize their design to avoid premature failures.

This Special Issue particularly welcomes full papers on original research studies, review papers, and experimental or numerical investigations related to the theory, testing, modeling, simulation, design, and application of sandwich composites. The topics for this Special Issue include (but are not limited to) studies on the mechanical behavior of sandwich composites, core and skin materials, additive manufacturing or other advanced manufacturing methods, and the optimization of sandwich composites. It should be noted that numerical or analytical research work without test verification is not recommended.

Dr. Bin Han
Guest Editor

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Keywords

  • lattice architectures
  • advanced and smart materials
  • material characterization
  • mechanical properties
  • impact and ballistic resistance
  • vibration attenuation
  • heat transfer
  • intelligent manufacturing foam material
  • composite sandwich
  • additive manufacturing
  • vibration
  • buckling
  • crushing behaviors
  • optimization

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Published Papers (1 paper)

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Research

25 pages, 2954 KB  
Article
Blast Resistance of Confined Multilayer Graded Corrugated-Core Sandwich Cylindrical Shells
by Pengbo Su, Bin Han, Yiyang Zhong, Zeliang Yu, Yonggang Xue, Haiming Liu and Tian Jian Lu
Materials 2026, 19(1), 101; https://doi.org/10.3390/ma19010101 (registering DOI) - 27 Dec 2025
Abstract
A graded multilayer corrugated-core sandwich cylindrical shell is proposed as an innovative blast-resistant container to resist internal blast loading. The blast resistance performance of both uniform and graded multilayer corrugated shells was systematically investigated through finite element analysis. Results revealed that sandwich shells [...] Read more.
A graded multilayer corrugated-core sandwich cylindrical shell is proposed as an innovative blast-resistant container to resist internal blast loading. The blast resistance performance of both uniform and graded multilayer corrugated shells was systematically investigated through finite element analysis. Results revealed that sandwich shells featuring an internally thick and externally thin core wall arrangement exhibited superior blast resistance. This configuration optimally aligns with the natural attenuation behavior of blast pressure, which gradually decreases from inner to outer layers during multilayer core collapse. Structures with core layer height gradients, characterized by internally high and externally low layers, also demonstrated enhanced performance under blast loading. While increasing the gradient magnitude generally improves blast resistance, this benefit diminishes with escalating blast intensity. Notably, wall-thickness-graded structures consistently outperformed height-graded configurations. Finally, a radial basis function surrogate model combined with adaptive simulated annealing optimization was employed to identify optimal thickness-graded cylindrical shell configurations tailored for either maximum blast resistance or minimum structural mass. Full article
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