On the basis of 3D modeling and using finite element method,within weak magnetic excitation,the magnetic field and its airspace vector distributions of strand wire rope complex surface were simulated,then the influence of wire rope defects on the leakage magnetic field distributions around surface and airspace were also analyzed.The results show that without defects the leakage magnetic field distributions in the airspace around strand wire ropes are corresponding to its strand contour and periodic varing i...
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