Estudo do eixo propulsor de um empurrador fluvial na região amazônica utilizando o método dos elementos finitos.

Abstract

The push boats in the Amazon Region play an important role in the movement of river convoys through the main waterways of the Arco Norte, transporting various inputs and being responsible for propelling groups of rafts. The present work aims to verify the shaft line alignment of a river pusher using the finite element method (FEM), with the creation of a code through Matlab software. A general study of the propulsion system of vessels and its components was performed to show the elements that influence the concentrated and distributed shaft loads. As FEM allows the discretization of the domain, local analyses were performed in order to later apply the data in the global order, mechanical relations were used for modeling hyperstatic beams. The methodology was explained and followed according to the parameters established in the objectives and the results were obtained as bearing reactions, bending moment and shear force diagrams, influence matrix and elastic axis line of the system, this being a determining factor for the alignment condition of the system, it was also concluded that the propeller shaft of the push boat is in a favorable alignment condition.