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The aim of the research was to select a material from which a washer can be made, so that it can be connected to an E355 steel tube by Rotary Friction Welding (RFW). It was decided to choose the steel grade X6CrMo17-1. The numerical model of the RFW process was built using the finite element method (FEM) using the ADINA System software. The numerical model takes into account the friction coefficient...
The study concerns the comparative analysis of selected solutions of thin-walled structures subjected to constrained torsion, representing the simulation of wing areas weakened by large cutouts. The chosen variants of stiffening were based on the concept of so-called "Misztal torsion box", used in the wing of the PZL-37 aircraft. A series of numerical analyses were conducted, aiming to compare...
W pracy przedstawiono model numeryczny belki zespolonej stalowo-OSB. Belka została zbudowana z cienkościennych blach stalowych usztywnionych za pomocą płyt OSB. Oceniono wrażliwość modelu numerycznego na rodzaj elementów skończonych oraz ich rozmiar. Stwierdzono, że najbardziej korzystnym rozwiązaniem jest zastosowanie modelu zbudowanego z 27-węzłowych elementów skończonych o średnim rozmiarze oczka...