The present paper deals with an analytic explicit treatment of the turbulence effects on the lateral galloping instability of prismatic structures. Starting from a general nonlinear quasi-steady formulation of the aerodynamic forces, the lateral motion is analyzed considering the sole contribution of the longitudinal turbulence component. In particular, the effect of a single turbulent harmonic component on both critical conditions and nonlinear behavior of such a system is investigated.
Turbulence effects on lateral galloping of prismatic structures
PICCARDO, GIUSEPPE;TUBINO, FEDERICA
2011-01-01
Abstract
The present paper deals with an analytic explicit treatment of the turbulence effects on the lateral galloping instability of prismatic structures. Starting from a general nonlinear quasi-steady formulation of the aerodynamic forces, the lateral motion is analyzed considering the sole contribution of the longitudinal turbulence component. In particular, the effect of a single turbulent harmonic component on both critical conditions and nonlinear behavior of such a system is investigated.
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