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The study of stress-strain state elements of the truck semi-trailer body bottom

Lyashuk Oleg, Levkovych Mykhailo, Vovk Yuriy, Gevko Ivan, Stashkiv Mykola, Liubomyr Slobodian, Pyndus Yuriy

Zeszyty Naukowe. Transport / Politechnika Śląska

2023

z. 118

161--172

Research on the influence of geometric parameters of body bottom elements on the stress-strain state (SSS) of the truck with the general application of computer simulation methods was conducted. The nature of the change in static stress and displacement depending on the change in the proportions of the crosssection of the channel at fixed geometric dimensions of the workpiece and the thickness of the workpiece and the bottom material of the body has been studied. Analytical, numerical and experimental methods were used in the study of the stress-strain state of the metal structure of car bodies. Its weight minimization is an important aspect of a truck body design. Because an excess weight leads to increased production costs, reduced payload and reduced fuel efficiency. According to the concept of weight reduction with the provision of a given strength, the body model with variable parameters of the bottom elements is modelled and analyzed. CAD - body models and analysis of the stress-strain state of the channels of the bottom of the bodies have been performed using the software package SolidWorks.