通过统一公式分析超音速流中平板复合材料的激振现象
Supersonic flutter analysis of flat composite panels by unified formulation
AI总结：
本文基于统一公式，研究了超音速流中层叠复合平板的线性激振特性，探讨了气动阻尼对激振特性的影响，通过二维静力气动近似计算气动力，并分析了流动角度、边界条件、板厚和板长宽比的影响。
摘要：
本文利用统一公式框架中的场一致元素，研究了浸入超音速流中的层叠复合平板的线性激振特性。探讨了气动阻尼对平板激振特性的影响。采用二维静力气动近似法评估气动力。给出了层叠复合材料的数值结果，揭示了流动角度、边界条件、板厚和板长宽比对激振特性的影响。
英文摘要：
In this paper, the linear flutter characteristics of laminated composite flat panels immersed in a supersonic flow is investigated using field consistent elements within the framework of unified formulation. The influence of the aerodynamic damping on the supersonic flutter characteristics of flat composite panels is also investigated. The aerodynamic force is evaluated using two-dimensional static aerodynamic approximation for high supersonic flow. Numerical results are presented for laminated composites that bring out the influence of the flow angle, the boundary conditions, the plate thickness and the plate aspect ratio on the flutter characteristics.
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