Abstract
Studying the behavior of control cable fittings (actually a pipe-type part) during radial crimping for fixation on the pipeline is a difficult task since it is necessary to control the presence of obvious plastic deformations: on the one hand, insufficient crimping can cause the fitting to break off from the cable conduit (axial loads over 100 kgf), and on other – the excessive crimping can block the operation of the cable (the core will jam). The selection of the optimal ratio of the fitting diameter and its wall thickness at different load values is the topic of a multi-parameter problem, and one of the ways of solving it will be presented in our research. To evaluate the nonlinear behavior of the Structural Steel NL Ansys material will be used Bilinear Isotropic Hardening stress-strain model with further interpolation of the Tangent Angle Coefficient (TAC) which is suggested as a new calculation parameter of pipe stress estimation.
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