Finite Element Modelling And Numerical Simulation Of Wire Rope With Socket

The steel wire rope is widely used in many fields in national economy, such asaerospace, marine equipment, medical equipment, precision measurement, and so on，because of its properties of high strength, good flexibility and stabilization, which canwithstand large axial load. However, when the wire rope is working, the socket, as aindispensable component, will inevitably face some problems, such as fatigue, localaccumulation, even sudden breaking. Because the socket is closely related to equipmentand personal safety, the in-depth research of steel wire rope with socket is very significant,both theoretically and practically. The current research of wire rope is mainly through thetheoretical calculation, experimental study and finite element simulation. Among them, thetraditional finite element method to analyze wire rope has the defects referring to largeamount of calculation and time-consuming. And the result is difficult to convergence whenit faces a large number of the problems about nonlinear contact between steel wires.Meanwhile, there has not formed a mature theoretical calculation and numericalsimulation of the mechanical behavior of steel wire rope in the working process.Given the above situation, this paper adapted Domain Superposition Techniqueanalysis strategy, which was used to deal with composite material model, to proceed finiteelement analysis of wire rope. At first, the geometrical and spatial structures of the singlespiral steel wire rope were studied systemically, and the model of the scattered rope in thehead was designed according to the actual situation. Secondly, the parameterized finiteelement model of the single spiral wire rope and the scattered rope head, which arecommonly used in engineering, were established by the ANSYS Parametric DesignLanguage. Thirdly, the superposed material model was also established and the resultsverified the correctness and effectiveness of Domain Superposition Technique in theanalysis of wire rope by comparing the calculated results from the Domain SuperpositionTechnique method and traditional finite element method. Finally, the mechanicalproperties of wire rope with socket were obtained after analyzed. The results show that theforce is concentrated at the front of socket, where is very easily fatigue. And the pouring material’s properties in the socket have a great influence on the mechanical performanceof the socket of steel wire rope system.