Composite circular braid mechanics

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dc.contributor.authorHopper, Robert Hustonen
dc.contributor.committeechairGrant, John Wallaceen
dc.contributor.committeememberGriffin, Odis Hayden Jr.en
dc.contributor.committeememberRagab, Saad A.en
dc.contributor.committeememberPopper, Peteren
dc.contributor.departmentEngineering Mechanicsen
dc.date.accessioned2014-03-14T21:34:05Zen
dc.date.adate2009-04-18en
dc.date.available2014-03-14T21:34:05Zen
dc.date.issued1991-08-15en
dc.date.rdate2009-04-18en
dc.date.sdate2009-04-18en
dc.description.abstractBraided composites find many diverse applications in modern technology and tailoring the mechanical properties of these structures has become increasingly important. This thesis will examine one class of circular braids encompassing an elastic core. By hypothesizing four modes of operation and incorporating primary influences, the mechanical response of the composite is predicted based on its initial parameters and material properties. The ability to model the yarns that constitute the braid as nonlinear materials enables the simulated response to span finite deformations. A scheme for nondimensionalizing the model parameters and governing equations for each mode of operation is also proposed and implemented. In an effort to validate the assumptions underlying the model's formulation, a series of experimental trials are documented that verify the fundamental braid mechanics. A wide variety of analytical cases are also introduced to investigate the influences of various model parameters. Possible extensions for the existing model are also noted.en
dc.description.degreeMaster of Scienceen
dc.format.extentix, 208 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-04182009-041218en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-04182009-041218/en
dc.identifier.urihttp://hdl.handle.net/10919/42138en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1991.H666.pdfen
dc.relation.isformatofOCLC# 24622701en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1991.H666en
dc.subject.lcshBraid theoryen
dc.titleComposite circular braid mechanicsen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineEngineering Mechanicsen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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