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Impact of fuselage cutouts on the stress and deflection behavior: numerical models and statistical analysis

机译：机身切口对压力和偏转行为的影响：数值模型及统计分析

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Over the past several years, considerable studies have been made to understand the mechanisms of failure of composite structures and the effect of these mechanisms on the performance of structures components made of composite materials. The compressive response of composite materials has received considerable attention due to their significance in the aerospace industry and the complexity associated with compressive failure. Failure criteria for anisotropic composite materials, which have different strengths in tension and compression, have attracted numerous researchers over decades and it is still today an important research topic. The goal of this study is to create a validated model to evaluate the effect of cutout shape, size, and the lamination angles of layers on the failure criteria of the fuselages. To achieve this objective, finite element method and statistical analysis have been used. The results show that the various analytical and empirical approaches have been used to study the failure capability of the fuselage structure. The model is applicable to the air transport industry. The proposed model has been validated against the known shape of an aircraft. Key words: Fuselage Cutouts, Deflection Analysis, Stress, Aerospace Industry.
机译：在过去的几年里，已经取得了长足的研究，以了解复合材料结构的失败，这些机制对复合材料制成的结构部件的性能的影响的机制。复合材料的压缩响应已受到相当重视，因为它们在航空航天工业的意义，并与压缩故障相关的复杂性。各向异性复合材料，其在拉伸和压缩强度不同故障的标准，吸引了众多的研究人员数十年来，它今天仍然是一个重要的研究课题。本研究的目的是建立一个有效的模型来评估切口的形状，尺寸的影响，并在机身的破坏准则层的层叠角度。为了实现这个目标，已经使用了有限元方法和统计分析。结果表明，各种分析和实证方法已被用来研究机身结构的破坏能力。该模型适用于航空运输业。该模型已被证实对飞机的已知形状。关键词：机身开孔，变形分析，应力，航空航天工业。

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