The objective of this study is to compare the performance for welded beam-column joints in aluminum structures using moment-rotation diagrams and evaluate influence welding on joint rigidity. A nonlinear numerical calculation beam–column performed finite element method. Material geometric nonlinearities were included model. connection was analyzed two cases: variants with without stiffener plat...

The shear response of the cold-formed stainless steel lipped channel sections with longitudinal stiffeners has not been investigated adequately in past. Therefore, this paper presents details numerical investigations conducted to study behaviour longitudinally stiffened sections. Following a validation finite element models sections, effect return lips and web on was examined through comprehens...

carbon nanotube (cnt), due to extraordinary mechanical properties, is an effective stiffener as reinforcement in resin for fabricating of nanocomposites. it is demonstrated by adding a small amount of cnt to the matrix, the elastic modulus of matrix increases remarkably. in this paper, the elastic modulus of cnt reinforced nanocomposites is obtained two-dimensionally using a finite element meth...

There is wide use of beam-column joint with gusset plate angle connection in engineering, however, the mechanical properties these joints are still lack complete theoretical and experimental research. This kind often simplified as an articulated or other types connections design. In this paper, study finite element analysis carried out to flexural behavior connection. The used analyze differenc...

Abstract The growing use of thermoplastic composites in aviation, automotive, sports and medical industries is forcing the development processing technology. Due to properties composite materials, their shaping subject many restrictions. For this reason, it not always possible obtain components with complex geometry adequate quality. By using numerical analysis experience production parts hot p...

In the present work, an optimization method is proposed in order to produce innovative stiffening layouts for large stiffened cylindrical shell structures, as they appear aerospace industry. A component-based logic applied on a ground mesh of structural elements (shells and beams), which was inspired by techniques explicit topology solid (plane or tridimensional massive models). Geometric compo...

Abstract This paper demonstrates the Gaussian process regression model's applicability combined with a nonlinear autoregressive exogenous (NARX) framework using experimental data measured PZTs' patches bonded in composite aeronautical structure for concerning novel SHM strategy. A stiffened carbon-epoxy plate regarding healthy condition and simulated damage on center of bottom part stiffener is...