A Process Chain for Structural Optimization of a Smart Droop Nose for an Active Blown High Lift System

Kurzfassung

A detailed analysis of today’s commercial aircrafts determines an increased demand for high lift systems that cannot be provided by prevailing evolutionary technology development. This especially applies to the topics of noise reduction and performance increase for start and landing. An active blown Coandă-flap based high lift system, which is investigated within the German national Collaborative Research Centre 880, would be an alternative to today’s slats and flaps and promises to contribute to those goals. An adaptive gapless droop nose with an exceedingly high grade of leading edge morphing is proven to be a key part of such a system, and thus a structural optimization framework for this technology is developed by the DLR. The content of this paper is formed by the detailed presentation of the framework for optimization of a composite skin combined with an actuation kinematics.