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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...
On the development of advanced methodologies to assist on the diagnosis of huma...
Leal, Ana; Silva, Filipe Samuel; Flores, Paulo; Pereira, H.; Mendes, João EspregueiraThe main purpose of this investigation is to present a preliminary study on the development of advanced methodologies to assist on the diagnosis of human articulations pathologies. In this process, a biomechanical approach is considered to characterize the patellofemoral joint. The present research work involves two distinct scientific domains, respectively, engineering and health sciences, and arises as a resu...
Recycling of aluminium swarf by direct incorporation in aluminium melts
Puga, Hélder; Barbosa, J.; Soares, Delfim; Silva, Filipe Samuel; Ribeiro, Carlos SilvaThe purpose of this work was to recover a standard AlSi12Cu1 alloy from machining chips inside the foundry plant, by using an environmentally friend technique to produce cast ingots with characteristics similar to those of the commercially available 2nd melt raw material. The recyclability of aluminium swarf using different melting techniques and the influence of chips preparation in the aluminium alloy recover...
On assessment of processing variables on vertical centrifugal casting technique
Chirita, Georgel; Stefanescu, I.; Barbosa, J.; Puga, Hélder; Soares, Delfim; Silva, Filipe SamuelThe aim of the present study is to investigate the influence of the vertical centrifugal casting technique over mechanical and metallurgical properties of a hypereutectic Al–18Si alloy. Due to the inherent vibration of the centrifugal casting technique, and in order to study and understand the individual effects of the equipment vibration and the centrifugal force itself (pressure or fluid dynamics), as well as...
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