Eventos Anais de eventos
COBEM 2023
27th International Congress of Mechanical Engineering
3D Finite Elements Analysis through Beam-to-Beam Contacts on Transmission Line Conductors
Submission Author:
Bruno Pedrosa , DF
Co-Authors:
Bruno Pedrosa, JOSE ALEXANDER ARAUJO, JORGE FERREIRA, Remy Kalombo Badibanga, LUIS VELOSO
Presenter: Bruno Pedrosa
doi://10.26678/ABCM.COBEM2023.COB2023-1614
Abstract
This work presents a parametric numerical model, with low computational cost, based on Finite Element Method for the analysis of multilayer wire conductors subjected to tensile and bending loads. For such, routines are implemented on the software ANSYS/APDL that allow parameterization of mechanical and geometric characteristics of metallic wire conductors. Such capacity enables the analysis of diverse configurations of cables and simulations. The wire elements are discretized through beam elements BEAM 198 and the interwire contacts are stablished through elements TARGE 170 (master) CONTA 177 (slave). The parametric numerical model is applied in tensile and tension-bending simulations, being compared with analytical results and numerical results present in the literature. The simulations show good results compared to numerical and analytical models. The tensile simulations presented average percentage differences in axial stress of 3, 5% compared to analytical results and 11% compared to numerical results from Wu (2014). The axial displacement, due to traction, also shows proximity of analytical results with an average percentual difference of 7%. The tensile-bending simulations demonstrate behavior consistent with analytical values, the deflection curve along the axial axis is between the maximum and minimum analytical values, as expected. These results attest to the validation of the current numerical model.
Keywords
Transmission lines, Overhead Conductor, Finite Element Method, ANSYS APDL, beam element, multilayer wire conductor
