Study of impact on helicopter blade

被引：11

作者：

Tawk, I. ^{[2
]}

Aubry, J. ^{[3
]}

Navarro, P. ^{[3
]}

Ferrero, J. -F. ^{[1
]}

Marguet, S. ^{[1
]}

Rivallant, S. ^{[3
]}

Lemaire, S. ^{[4
]}

Rauch, P. ^{[4
]}

机构：

[1] Univ Toulouse ICA UPS, F-31062 Toulouse, France

[2] Univ Balamand, Deir El Balamand, El Koura, Lebanon

[3] Univ Toulouse ICA ISAE, F-31055 Toulouse, France

[4] Eurocopter Marignane BDD, F-13725 Aeroport Marseille P, Marignane, France

来源：

ENGINEERING FAILURE ANALYSIS | 2012年 / 24卷

关键词：

Composite; Impact; Finite element analysis; Damage assessment;

D O I：

10.1016/j.engfailanal.2012.03.005

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This article presents a study of damage in structures that are similar to helicopter blade sections, subjected to an impact. These complex composite structures were impacted by a steel ball of 125 g at impact speed ranging from 30 to 130 m/s. This led to properly highlight the kinematics of the impact and to define the sequence of the damage's mechanisms. An explicit FE model is also presented. The damage modelling of the roving is performed through a scale change. It allows a good representation of observed experimental behaviour. As the mesh density is low, it can be used for the modelling of a real structure. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：38 / 45

页数：8

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