Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"imperfection sensitivity"”.
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Instabilidade e sensibilidade de cascas cilíndricas circunferencialmente enrijecidas
An analysis of the buckling load and the imperfection-sensitivity of ring stiffened cylinders under external pressure is presented. Koiter's general post-buckling theory provides the basis to estimate the imperfection-sensitivity by relating it to the initial post-buckling behavior of the perfect …
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A method for the geometrically nonlinear analysis of compressively loaded prismatic composite structures
… to be simply supported, and geometric shape imperfections can be modelled. The method can predict the nonlinear phenomena of postbuckling strength and imperfection sensitivity which are exhibited by some buckling-dominated structures. The method is computer-based and is semi-analytic in …
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Minimum-weight design of compressively loaded stiffened panels for postbuckling response
… response. Comparisons of panel weight and imperfection sensitivity between the NLPANOPT designs and PASCO designs are presented. In general, the designs obtained with NLPANOPT are lighter and less imperfection sensitive than the designs obtained with PASCO. The nonlinear analysis allows for …
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Studies on strength and stability of toroidal shell forms for containment applications
… post-bifurcation behaviour and geometric imperfection sensitivity of this type of vessel, as well as two other cross-sectional geometries (parabolic-ogival and circular-elliptic). Extensive parametric studies on each of these toroids reveal significant aspects of shell behaviour. This …
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Fabrication and buckling of thin spherical shells containing precise geometric imperfections
… pressure and explore the effect that geometric imperfections can have on their buckling behavior. Since the 1960s, numerous theoretical and computational studies have addressed the imperfection sensitivity of buckling of thin elastic shells. However, there is a lack of precise experiments to …