Multidisciplinary General Aviation Aircraft Design Optimizations Incorporating Airworthiness Constraints (original) (raw)

2010, 10th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference

In this paper, aircraft design is explained as a Multidisciplinary Design Optimization (MDO) which incorporates airworthiness requirements. In a preliminary sizing phase, preliminary aircraft configurations are defined from a user-requirements analysis and conventional conceptual design process. Conceptual design and analysis modules are developed and integrated into a multidisciplinary optimization to improve the aircraft conceptual design process. Multidisciplinary feasibility (MDF) is established by implementing a multidisciplinary analysis which couples a preliminary sizing module with a conceptual design and analysis module. During an aircraft application certification phase, design constraints are established by a Design-Certification Related Table (DCRT) and selected by investigating aircraft safety requirements including Korea Airworthiness Standards (KAS) and Federal Aviation Regulations (FAR). By carefully selecting design variables, a multidisciplinary design optimization is performed. The case study is general aviation aircraft design to demonstrate the feasibility and effectiveness of rapid aircraft conceptual design. Minimization of takeoff gross weight of general aviation aircraft is performed and the design result shows the feasibility and effectiveness of the aircraft conceptual design process.

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