On the influence of material property uncertainties for a phenomenological progressive damage in composite laminated coupons: A sensitivity analysis approach

IF 6.3 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composite Structures Pub Date : 2025-04-28 DOI:10.1016/j.compstruct.2025.119209

Pedro Bührer Santana , Herbert Martins Gomes , António J.M. Ferreira , Volnei Tita

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引用次数: 0

Abstract

The current demand for lightweight and high-strength materials in various engineering applications makes the understanding of the inherent uncertainties in composite behavior crucial. This paper introduces for the first time a comprehensive framework to study the effect on the structural performance of uncertainties related to potential variation in the mechanical properties of laminated fiber-reinforced composite materials. The new framework for stochastic modeling incorporates probabilistic approaches to quantify uncertainties in material properties and their influence on damage progression. One of the advantages of the proposed methodology is the comparison of numerical results with experimental ones on a series of bending tests. Our findings demonstrate that the integration of uncertainty quantification into the analysis of composite materials can lead to more robust engineering solutions, identifying the uncertainty in the damage parameters and material properties,explaining variability in the experimental data sets.

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材料性能不确定性对复合材料层合板现象渐进损伤的影响：一种灵敏度分析方法

当前各种工程应用对轻量化和高强度材料的需求使得对复合材料行为固有不确定性的理解至关重要。本文首次引入了一个综合框架来研究与层压纤维增强复合材料力学性能潜在变化相关的不确定性对结构性能的影响。随机建模的新框架结合了概率方法来量化材料特性的不确定性及其对损伤进展的影响。该方法的优点之一是可以将一系列弯曲试验的数值结果与实验结果进行比较。我们的研究结果表明，将不确定性量化整合到复合材料的分析中可以带来更强大的工程解决方案，识别损伤参数和材料特性中的不确定性，解释实验数据集的可变性。

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来源期刊

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.