A Numerical Assessment on the Influences of Material Toughness on the Crashworthiness of a Composite Fuselage Barrel

Applied Sciences

卷:10

F. Di Caprio¹  S. Saputo²  A. Sellitto²  A. Riccio² 

[1] C.I.R.A. Italian Aerospace Reserach Center, via Maiorise, 81043 Capua (CE), Italy;

[2] Department of Engineering, Università degli studi della Campania “Luigi Vanvitelli”, via Roma 29, 81031 Aversa (CE), Italy;

关键词: crashworthiness;    finite element analysis (fea);    composites;    progressive failure analysis (pfa);   

DOI  :  10.3390/app10062019

来源: DOAJ

【 摘 要 】

In the present work, a numerical study on the dynamic response of a composite fuselage barrel, in relation to crashworthiness, has been investigated. The aim of this work is to investigate the influence of the material fracture toughness on the capability of a composite fuselage barrel to tolerate an impact on a rigid surface. Three different material configurations with different intra-laminar fracture energy values were considered to take into account variations in material toughness. Indeed, the dynamic behaviour of the analysed fuselage barrel has been numerically simulated by means of the FE (Finite Element) code Abaqus/Explicit. The effects of intralaminar fracture energy variations on the impact deformation of the barrel has been evaluated comparing the numerical results in terms of displacements and damage evolution for the three analysed material configurations.

【 授权许可】

Unknown