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This article describes two methods, double-lattice method (DLM) and computational fluid dynamics (CFD), computing aerodynamic force. The structural FEM and fluid model of horizontal tail are established in the same software, HYPERMESH. In CFD/CSD (computational structural dynamics) method, the locations of the structural nodes are exactly the same as those of the CFD grid points at the fluid-structure...
In this paper, the dynamic model of T-tail is introduced, and the relationship among the natural frequency, the supporting stiffness, the supporting point position and the flutter velocity is analyzed through the optimization process. The optimization for minimum weight, the supporting stiffness and the supporting point shift for optimization variations, and the flutter speed and the natural frequency...
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