Abstract
This paper considers a two-dimensional frictionally constrained joint to investigate the interfacial characteristics under periodic loadings with phase variations. Joints are pressed in contact by normal pressure, subjecting to tangential loading and bending moment. The tendency of contact behavior at the steady-state is investigated, subjected to various phase differences between the bending moment and the tangential loading. Total energy dissipation per cycle is obtained at steady-state to examine the overall frictional damping from the joint interface. It is found that friction damping is dominant during tensile loading, and the energy dissipates the most when the phase difference is near π / 2.
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