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Lateral indentation and impact analyses on curved composite shells

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Details

Original languageEnglish
Title of host publicationProceedings of the 7th International Conference on Fracture Fatigue and Wear
Subtitle of host publicationFFW 2018, 9-10 July 2018, Ghent University, Belgium
EditorsMagd Abdel Wahab
PublisherSpringer Singapore
Pages171-183
Number of pages13
ISBN (Electronic)978-981-13-0411-8
ISBN (Print)978-981-13-0410-1
DOIs
Publication statusPublished - 2018
Publication typeA4 Article in a conference publication
EventInternational Conference on Fracture Fatigue and Wear -
Duration: 29 Aug 2018 → …

Publication series

NameLecture Notes in Mechanical Engineering
PublisherSpringer
ISSN (Print)2195-4356

Conference

ConferenceInternational Conference on Fracture Fatigue and Wear
Period29/08/18 → …

Abstract

In the framework of materials used for structural applications, reliability and adoption of specific materials for certain use is heavily influenced by its behavior upon impact, together with the capability of sustaining damage. Methods for measuring these features include, for example, indentation and low-velocity impact testing, which are generally performed on flat panels. However, geometry of the structure plays an important role in the impact properties of the final object; it should then be taken into account when simulating impact and damage.
For this reason, numerical analysis of indentation and low-velocity impact on curved composite shells are presented in this work. The attention is mainly focused on the dynamic effects on the curved (half cylinder) panel under lateral impact. Models are created using a Finite Element (FE) software Abaqus (Simulia, Dassault Systemes). Respectively, indentation and low-velocity impact are compared using the implicit and the explicit solvers by also considering that deformation of the composite shape upon impact induces a change in the overall mechanical response of the shell. A sensitivity analysis on the failure parameters, as defined by the Hashin criterion, is also included in the analysis to better understand the role of the different failure parameters affecting failure onset. Finally, outputs of the FE analyses such as force and displacement of the indenter are compared to experimental results obtained by using a custom-made clamping system on a simple curved composite shell, in order to better highlight the discrepancies found via simulations.

Keywords

  • Composite shells, Indentation, Impact

Publication forum classification

Field of science, Statistics Finland

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