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Computational Transonic Flutter Solutions for Cranked Wing Planforms

机译:用于摇滚翼形平面的计算跨音颤动解决方案

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In the present research a three-dimensional computational aeroelastic simulation for highly-swept and cranked wing planforms is developed. The wing is modeled using nonlinear plate finite elements. The fluid is modeled using the mixed Eulerian-Lagrangian formulation of the classical Euler equations and is discretized using a Galerkin finite element approach on an unstructured tetrahedral mesh. The fluid and structural models are coupled by the Direct Eulearian-Lagrangian method where time synchronization and spatial accuracy are maintained to ensure accurate exchange of energy between the fluid and the structure. Response of two wing models is simulated. Preliminary results are presented.
机译:在本研究中,开发了用于高扫描和起动机翼平面的三维计算空气弹性模拟。机翼使用非线性板有限元素进行建模。使用经典欧拉方程的混合欧拉拉格朗安配方进行建模,并且在非结构化的四面体网上使用Galerkin有限元方法离散化。流体和结构模型通过直接的Eulearian-Lagrangian方法耦合,其中保持时间同步和空间精度,以确保在流体和结构之间准确地交换能量。模拟了两个翼模型的响应。提出了初步结果。

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