Searched for: faculty:"Aerospace%5C%2BEngineering"
(1 - 18 of 18)
document
Liu, L. (author)
A one-dimensional analytical solution to predict buckling-induced delamination growth was developed toward an efficient and effective engineering application. The postbuckling solution for a composite beam was first obtained with nonlinear deflection approximations based on 'thin film' assumption. An interlaminar stress analysis method was then...
master thesis 2016
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Cabot Talens, E. (author)
This MSc thesis addresses the study of buckling and post-buckling of composite plates with elastic restraints at the edges and under any combination of in-plane loading, aiming to solve the plate response in stiffened panel structures. The implemented solutions are based on thin plate theory for mid-plane symmetric plates. The governing...
master thesis 2016
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Dekker, R. (author)
Localized buckles can occur in crashes when compressive stresses are dominant. However, due to their local appearance, they might be overlooked by a finite element analysis, meaning that local failure due to buckling will not be predicted. Methods to analytically assess the onset of such buckles are readily available. However, an off-the-shelf...
master thesis 2016
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Dykstra, D.M.J. (author)
Even though composite materials are being applied more and more often, these materials are often not used to their full potential. In particular, composite materials are very sensitive to Compression-After-Impact (CAI), typically leading to knockdown factors in the order of 0.65. Many researchers have tried to predict the effects of Compression...
master thesis 2016
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Zoethout, J. (author)
As a result of the increasing mass of rotor blades for large wind turbines, trailing edge buckling is recognized to become one of the critical design drivers. This research project was initiated to investigate a new trailing edge design concept, which is supposed to have a higher buckling capacity, while maintaining its structural performance,...
master thesis 2015
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Jeliazkov, M. (author), Sardar Abadi, P.M. (author), Lopes, C.S. (author), Abdalla, M.M. (author), Peeters, D.M.J. (author)
A computationally efficient two-level design methodology is developed for the optimization of stiffened compression loaded panels having variable stiffness panels as their skin. In the first step extensive bay panel optimization is performed using a Rayleigh-Ritz energy method coupled with a specialized Genetic Algorithm. Results in agreement...
conference paper 2015
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Tang, J. (author)
Variable-stiffness panels have previously shown enhanced buckling performance compared to constant-stiffness panels, due to the beneficial load and stiffness redistribution. Two semianalytical models based on the Galerkin method and the Ritz method have been developed in order to solve the buckling problem of variable-stiffness composite panels ...
master thesis 2015
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Wang, D. (author), Abdalla, M.M. (author)
There is a renewed interest in grid-stiffened composite structures; they are not only competitive with conventional stiffened constructions and sandwich shells in terms of weight but also enjoy superior damage tolerance properties. In this paper, both global and local structural instabilities are investigated for grid-stiffened composite panels...
conference paper 2014
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Khani, A. (author)
Automated fibre placement (AFP) machines are able to place simultaneously several bundles of fibres, called tows, on a surface. Using AFP machines, it is also possible to manufacture composite laminates with fibres placed in curvilinear paths. The fibre orientations and stiffness properties of these laminates are spatially varied and hence they...
doctoral thesis 2013
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Liang, K. (author)
Thin-walled structures, when properly designed, possess a high strength-to-weight and stiffness-to-weight ratio, and therefore are used as the primary components in some weight critical structural applications, such as aerospace and marine engineering. These structures are prone to be limited in their load carrying capability by buckling, while...
doctoral thesis 2013
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Vries, J. De (author)
Imperfections are irregularities of the shape of a thin-walled shell, such as those used for rocket structures or silos. Knowing the imperfections is very important as thin-walled shells are very sensitive to imperfections. Even a small deviation with respect to the perfect shell shape reduces the buckling load significantly. The main objective...
doctoral thesis 2009
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Seresta, O. (author)
This research work deals with the design and optimization of a large composite structure. In design of large structural systems, it is customary to divide the problem into many smaller independent/semi-independent local design problems. The use of composite necessitates the inclusion of ply angles as design variables. These design variables are...
doctoral thesis 2007
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Notenboom, R.P. (author)
Abstract not available
doctoral thesis 2006
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Jansen, E.L. (author)
doctoral thesis 2001
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Jamal, A. (author)
doctoral thesis 1998
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Karyadi, E. (author)
doctoral thesis 1998
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Verolme, J.L. (author)
doctoral thesis 1995
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Deerenberg, E. (author)
doctoral thesis 1994
Searched for: faculty:"Aerospace%5C%2BEngineering"
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