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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 8 of 8 for “"Conical shells"”.
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Elastic Stability of Conical Shells Loaded by Uniform External Pressure
Made available in DSpace on 2014-12-04T23:10:51Z (GMT). No. of bitstreams: 1 0006988.pdf: 2004587 bytes, checksum: 06f8705c379bd3f4b0f8525521900796 (MD5) Previous issue date: 1953
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Buckling of composite conical shells under combined axial compression, external pressure, and bending
Conical shells are extensively used in space crafts, robots, shelters, domes, tanks, and in machinery or devices (e.g. as Belleville washers). Thus, the design of minimum weight, maximum strength, stiffened conical (and cylindrical) shells under combined loads has long been of interest to …
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A Study of Symmetry Breaking and Stability in Conical Shells and the Implications for Actuators
… explores the stability of spherically capped conical shells and secondarily explores the nature of the polygonal folds observed during these deformations. The polygonal folds were classified according to the number of facets observed. The problem is primarily explored using Finite Element …
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The effect of weld-induced imperfections on the buckling behaviour of spherical and conical shells
… previous research was conducted on cylindrical shells the current thesis focused on studying two different shell geometries.
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Computation of acoustic scattering from elastic conical shells with endcaps using the hybrid finite element/ virtual source approach
… of the dynamic flexibility matrix for an elastic conical shell with endcaps will be illustrated in this thesis. It will be shown that the dynamic flexibility matrix corresponds to the acoustic admittance matrix in the virtual source approach where the scattering functions are computed in the MIT's …
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Concentrated Gauss Curvature in Shape-Programmed Shells
… paradigm of `metric mechanics', in which active shells respond to stimuli by undergoing large spontaneous deformations. Our focus will be on novel ways to program Gauss curvature, motivated by its deep mechanical consequences - principally it imparts strength, since Gauss-curved shells cannot be …
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Stochastic Methods for Robust Design of Launch Vehicle Structures
… for the diminished buckling loads of such shells. Some notable design guidelines which were formulated in the 1960s and are currently being used are the NASA-SP 8007 for imperfection sensitive cylinders and the NASA-SP 8019 for truncated cones; both of which are based on the lower-bound …
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Energy Absorption of Metal-FRP Hybrid Square Tubes
… is in energy-absorbing components such as hollow shells and struts (these components may be in the form of circular cylindrical shells, square and rectangular tubes, conical shells, and frusta). However, constructions which result in brittle fracture of the composite tubes in the form of …