Aerodynamic admittance functions of bridge deck sections by CWE

The present paper analyses the capability of the proposed modified indicial approach in determining by Computational Wind Engineering aerodynamic admittance functions of streamlined and bluff bodies characterized by finite thickness. The former is examined in order to compare the gust response of a real wing profile Naca 0012 with the one of the ideal thin airfoil described by the well known Sears function. The latter is taken into account to pursue two main objectives. Firstly, the extension to bluff bodies of the aerodynamic admittance concept is discussed. Secondly, the capability of computational tools in predicting the aerodynamic admittance function is analysed.