Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/15433
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dc.titleNumerical analysis of fabric armor under ballistic impact
dc.contributor.authorZENG XUESEN
dc.date.accessioned2010-04-08T10:53:30Z
dc.date.available2010-04-08T10:53:30Z
dc.date.issued2006-07-04
dc.identifier.citationZENG XUESEN (2006-07-04). Numerical analysis of fabric armor under ballistic impact. ScholarBank@NUS Repository.
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/15433
dc.description.abstractA major objective of this investigation is to establish a numerical model of fabric that incorporates greater geometrical detail of the woven structure, a material constitutive model and failure criterion validated by experimental tests, and an efficient computational algorithm. Numerical schemes to model yarn crimp and undulation, sliding and friction at yarn crossover points in fabrics are implemented. Experiments are undertaken to characterize the dynamic properties of yarns at different strain rates. A Zener constitutive model is used to capture strain rate sensitivity of the material and a material failure criterion is also determined from experiments. The fabric model developed is employed in a parametric study on the effects of boundary conditions, and high-speed ballistic tests are carried out to validate the computational results.
dc.language.isoen
dc.subjectcomputational mechanics, ballistic impact, fabric armor, high strength fiber, yarn friction, woven architecture
dc.typeThesis
dc.contributor.departmentMECHANICAL ENGINEERING
dc.contributor.supervisorSHIM PHYAU WUI, VICTOR
dc.contributor.supervisorTAN BENG CHYE, VINCENT
dc.description.degreePh.D
dc.description.degreeconferredDOCTOR OF PHILOSOPHY
dc.identifier.isiutNOT_IN_WOS
Appears in Collections:Ph.D Theses (Open)

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01 Title page& front part.pdf90.81 kBAdobe PDF

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02 Introduction.pdf26.7 kBAdobe PDF

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03 Literature review.pdf448.9 kBAdobe PDF

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04 Modeling crimp in fabric.pdf1.69 MBAdobe PDF

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05 Development of fabric model to accomodate.pdf2.02 MBAdobe PDF

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06 Characterization and Constitutive.pdf849.87 kBAdobe PDF

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07 Failure criteria.pdf993.58 kBAdobe PDF

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08 Parametric studies.pdf521.21 kBAdobe PDF

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09 Conclusions.pdf14.63 kBAdobe PDF

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10 Recommendations for future work.pdf13.62 kBAdobe PDF

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11 Bibliography.pdf51.86 kBAdobe PDF

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12 Appendix.pdf1.81 MBAdobe PDF

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