Snap-Through of the Very Shallow Shell with Initial Imperfection [PDF]
Elastic shallow shell of translation subjected to the external pressure is analysed in the paper numerically by FEM. Nonlinear equilibrium paths are calculated for the different boundary conditions.
Havran Jozef, Psotný Martin
doaj +3 more sources
Moment Resistances of wide flange beams with initial imperfection and residual stresses [PDF]
Elastic and inelastic moment resistances of W-steel beams with considering the effects of initial imperfections and residual stresses are numerically investigated in the present study.
Pham Van PHE, Xuan Huy NGUYEN
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Virtual testing of post-buckling behaviour of metallic stiffened panel [PDF]
The aim of the project presented in this thesis is to demonstrate a modelling method for predicting the variability in the ultimate load of stiffened panel under axial compression due to manufacturing variability.
Wang, Yang
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Imperfection in Experimental Instruments and Their Performances [PDF]
This open access book synthesizes the swiftly growing critical scholarship on mistakes, glitches, and other aesthetics and logics of imperfection into the first transdisciplinary, transnational framework of imperfection studies.
Kelly, Caleb ; https://orcid.org/
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Numerical characterization of imperfection sensitive composite structures [PDF]
The need to take the imperfection sensitivity of thin-walled unstiffened cylinders into account during the early design phases motivated the development of the NASA SP-8007 guideline, which brings an empirically based lower-bound curve that gives the ...
Castro, Saullo G. P. +5 more
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Efficient handling of stability problems in shell optimization by asymmetric ‘worst-case’ shape imperfection [PDF]
The paper presents an approach to shape optimization of proportionally loaded elastic shell structures under stability constraints. To reduce the stability-related problems, a special technique is utilized, by which the response analysis is always ...
Brank, Boštjan +3 more
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Initial conditions for imperfect dark matter [PDF]
16 pages; major revision, references added, conclusions ...
openaire +3 more sources
Buckling restrained braces (BRBs) which are generally composed of a steel core and a encasing(buckling restrainers) are utilized to resist lateral forces in high seismic regions since BRBs exhibit high energy dissipation capacity, ductility and stiffness.
Yasin Onuralp Özkılıç
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Probabilistic ultimate strength (US) distribution against environmental casualties: Stiffened panel under imperfection [PDF]
In this study, the ultimate strength of a stiffened panel, which is one of the important components of ship structure, was analyzed by considering the effects of initial imperfection and geometric aspects with variations of random amplitude.
Sholikhah Mar’atu +6 more
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The Ultimate Strength of Fully Transparent Pressure-Resistant Spherical Cabins
The fully transparent cabin used in a manned submersible is typically made of the viscoelastic material polymethyl methacrylate (PMMA). The pressure-bearing capacity of a PMMA-manned cabin was investigated considering the effects of initial geometrical ...
Fang Wang +5 more
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