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首页> 外文会议>International Conference on Manufacturing Science and Technology >Failure Analysis of Composite Thin Walled Multi-Cell Closed Cross Section Beams With Multi-Tapered Configuration
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Failure Analysis of Composite Thin Walled Multi-Cell Closed Cross Section Beams With Multi-Tapered Configuration

机译：具有多锥形配置的复合薄壁多电池闭截面梁的故障分析

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This paper explicitly highlights the failure analysis and study of thin walled composite beams (multi-cell and multi-tapered) in cantilever configurations when subjected to constrained torsional load, using MSC Patran/Nastran finite element package. Initially, the verification of the model was done with the analytical results in order to ensure the model accuracy. All the multitapered beams under examination are composed of closed section and three cell configuration with twisting moment applied at the free end. There is a vivid description of all the effects of different composite material and various stacking sequences on the margin of safety and failure loads. This paper also verifies the influence of various geometrical configurations (Beam lengths, tapered angles and point of variation of tapered angles) of beams on the failure loads. This paper would help in the wing design phase of modern agile and high speed aircraft in which multi-cell closed cross section beams are integral part.
机译：本文明确地强调了悬臂配置中薄壁复合梁（多电池和多锥形）的故障分析和研究，使用MSC Patran / Nastran有限元件包。最初，模型的验证是通过分析结果完成的，以确保模型精度。考试中的所有多型梁由封闭部分和三个电池配置组成，在自由端施加扭转力矩。对不同复合材料的所有效果和各种堆叠序列的所有效果有一种生动的描述，以及安全性和故障负荷的负荷裕度。本文还验证了各种几何配置（横梁长度，锥形角度和锥形角度的变化点）对故障载荷的影响。本文将有助于现代敏捷和高速飞机的机翼设计阶段，其中多电池关闭横截面梁是整体部分。

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