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Effective mechanical behavior of sandwich beams under uncoupled bending and tor...
Silva, Hugo Miguel Andrade Lopes Figueiredo da; Meireles, José F."International Conference on Applied Mechanics and Mechanical Automation (AMMA 2014)". Serie - Applied mechanics and materials, vol. 590 ; Sandwich geometries, mainly panels and beams are widely used in several transportation industries, namely aerospace, aeronautic and automotive. Sandwich geometries are known for their advantages in structural applications: high specific stiffness, low weight, and possibilit...
Numerical study on the sensitivity analysis for strenght and stiffness of regul...
Silva, Hugo Miguel Andrade Lopes Figueiredo da; Peixinho, Nuno; Silva, Filipe SamuelThe aim of this study is to present a sensitivity analysis of geometric variables on the mechanical behavior of regular cellular solids. The cellular solids studied are named “spherical” and “elliptical”, if there is part of an empty sphere inside or if there is part of an empty revolved ellipse, respectively. Pure loads are applied separately, namely compression and shear, in order to study the influence of th...
Determination of material/geometry of the section most adequate for a static lo...
Silva, Hugo Miguel Andrade Lopes Figueiredo da; Meireles, José F.The acceleration of industrial machines mobile parts has been increasing over the last few years, due to the need of higher production in a short period of time. The machines were dimensioned for a lower value of acceleration, which means there is not enough rigidity for the correct operation at much higher accelerations. Nowadays, the accelerations can be near 12 times the acceleration of gravity. There is the...
Determination of the material/geometry of the section most adequate for a stati...
Silva, Hugo Miguel Andrade Lopes Figueiredo daDissertação de mestrado integrado em Engenharia de Materiais ; The Finite Element Method (FEM) is widely used to solve structural analysis problems. In this work, a novel Finite Element Model Updating methodology for static analysis is presented. The aim of the work is to improve the quality of the results using the Finite Element Updating techniques, by optimizing geometric parameters of the models and materi...
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