Abstract
With the emphasis on higher performance, modern aircraft designs aim at lower structural weight, aerodynamically efficient thinner configurations, and reduced or even negative stability margins augmented by automatic flight control systems. These design considerations lead to highly flexible structural designs with associated problems of dynamic and aeroelastic interactions which need to be considered at the preliminary design stage itself. Advent of advanced composites and active control techniques have given the aircraft designer the freedom to use aeroelastic interactions in an advantageous way. This paper reviews the recent research and development efforts in the areas of aeroelastic tailoring, structural optimisation with aeroelastic constraints and aeroservoelasticity, and applications of the same in practical designs. The developments and applications in India in these areas are also highlighted.
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