Equivalent modeling for the prediction of mechanical behaviors of composite sandwich structures with thick cell walls

IF 7.1 2区 材料科学 Q1 MATERIALS SCIENCE, COMPOSITES Composite Structures Pub Date : 2025-04-04 DOI:10.1016/j.compstruct.2025.119162
Jaeho Yun , Seungjun Ryu , Jinsol Kim , Yongha Kim , Do-Won Kim
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Abstract

An equivalent model is proposed for the prediction of the mechanical behaviors of a honeycomb core with thick cell walls, including the calculation of failure strength. The method was derived from the homogeneous method used to investigate the mechanical behaviors of composite sandwich structures. We validated the method’s utility through the finite element method and experimentally. A parametric analysis was performed to examine the mechanical properties of a composite sandwich structure with thick cell walls using the proposed method. These results were used to compile information about the mechanical characteristics of the structure for aerospace applications. In conclusion, the method is demonstrated to be well suited for its intended applications due to its relative simplicity and computational efficiency.
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厚壁复合材料夹层结构力学性能预测的等效模型
提出了一种预测厚壁蜂窝芯力学行为的等效模型,包括破坏强度的计算。该方法是从研究复合材料夹层结构力学行为的均质方法发展而来的。通过有限元法和实验验证了该方法的实用性。采用该方法对具有厚细胞壁的复合材料夹层结构的力学性能进行了参数分析。这些结果用于编制有关航空航天应用的结构力学特性的信息。总之,由于其相对简单和计算效率,该方法被证明非常适合其预期的应用。
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来源期刊
Composite Structures
Composite Structures 工程技术-材料科学:复合
CiteScore
12.00
自引率
12.70%
发文量
1246
审稿时长
78 days
期刊介绍: The past few decades have seen outstanding advances in the use of composite materials in structural applications. There can be little doubt that, within engineering circles, composites have revolutionised traditional design concepts and made possible an unparalleled range of new and exciting possibilities as viable materials for construction. Composite Structures, an International Journal, disseminates knowledge between users, manufacturers, designers and researchers involved in structures or structural components manufactured using composite materials. The journal publishes papers which contribute to knowledge in the use of composite materials in engineering structures. Papers deal with design, research and development studies, experimental investigations, theoretical analysis and fabrication techniques relevant to the application of composites in load-bearing components for assemblies, ranging from individual components such as plates and shells to complete composite structures.
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