Through-the-thickness z-pinning reinforcements to improve energy absorption capabilities of CFRP crash structures: numerical development

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dc.contributor.authorDe Biasio, A
dc.contributor.authorGhasemnejad, H
dc.date.accessioned2025-06-05T15:02:04Z
dc.date.available2025-06-05T15:02:04Z
dc.date.freetoread2025-06-05
dc.date.issued2025-01-01
dc.date.pubOnline2025-05-21
dc.description.abstractThis study employs numerical methods to model through-the-thickness reinforcements in CFRP tubular structures under axial impact, investigating the influence of reinforcement configurations on crashworthiness performance. Experimental validation involves testing unpinned tubular structures to establish a baseline model. LS-DYNA finite element models simulate low-velocity axial impacts, incorporating energy-based tiebreak contacts or solid cohesive elements to describe interlaminar bridging. Through-the-thickness are introduced through a homogenous mesh system or locally refined mesh at pin locations. Various reinforced tube designs with different pin diameters and areal densities are examined to identify the optimal pinned design for crashworthiness. The research demonstrates numerically that pinning enhances crashworthiness performances in axial crushing of composite tubes.
dc.description.journalNameApplied Composite Materials
dc.identifier.citationDe Biasio A, Ghasemnejad H. (2025) Through-the-thickness z-pinning reinforcements to improve energy absorption capabilities of CFRP crash structures: numerical development. Applied Composite Materials, Available online 21 May 2025en_UK
dc.identifier.eissn1573-4897
dc.identifier.elementsID673315
dc.identifier.issn0929-189X
dc.identifier.issueNoahead-of-print
dc.identifier.urihttps://doi.org/10.1007/s10443-025-10348-y
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23988
dc.identifier.volumeNoahead-of-print
dc.languageEnglish
dc.language.isoen
dc.publisherSpringeren_UK
dc.publisher.urihttps://link.springer.com/article/10.1007/s10443-025-10348-y
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectThrough-the-thicknessen_UK
dc.subjectCompositesen_UK
dc.subjectCrashworthinessen_UK
dc.subjectCohesiveen_UK
dc.subjectFEMen_UK
dc.subject40 Engineeringen_UK
dc.subject4016 Materials Engineeringen_UK
dc.subject4001 Aerospace Engineeringen_UK
dc.subjectMaterialsen_UK
dc.subject4005 Civil engineeringen_UK
dc.subject4017 Mechanical engineeringen_UK
dc.titleThrough-the-thickness z-pinning reinforcements to improve energy absorption capabilities of CFRP crash structures: numerical developmenten_UK
dc.typeArticle
dc.type.subtypeJournal Article
dcterms.dateAccepted2025-05-12

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