Abstract
The aerodynamic coefficients of iced quad-bundled conductor varying with attack angle determined by wind tunnel test are presented. A cable element with torsional degree-of-degree used to simulate the iced conductor is obtained in ABAQUS software by releasing the two bending degrees-of-freedom and setting the material to be incompressible. The aerodynamic loads varying with attack angle are applied on the cable elements through the user defined element subroutine in ABAQUS. Furthermore, the effects of parameters, such as wind velocity, ice thickness, initial attack angle and span length, on the galloping of the quad-bundled conductor are numerically investigated. The result provides a theoretical foundation for the development of anti-galloping technology.
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