Numerical simulation on galloping of iced donductors
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Abstract:
To investigate galloping of iced conductors, with the release of the bending degreeoffreedom of Euler beam element and setting the material to be ‘No Compression’ in ABAQUS software, a cable element with torsion degreeoffreedom is obtained. And then the aerodynamic loads including drag, lift and torque on the iced conductor are simulated by means of the userdefined element. The galloping of iced single conductor and iced twin bundle conductor are numerically analyzed to demonstrate the efficiency of the proposed method. The effects of initial attack angle，span length and initial tension in conductor on the behavior of galloping are investigated by numerical simulation.
