CONCEPTUAL AIRCRAFT DESIGN MODEL （飞机概念设计模型）.pdfVIP

CONCEPTUAL AIRCRAFT DESIGN MODEL MANAGEMENT DEMONSTRATED ON A 4TH GENERATION FIGHTER Ingo Staack , Raghu Chaitanya Munjulury , Tomas Melin , Alvaro Abdalla , Petter Krus Linköping University, Linköping, Sweden USP, São Carlos, Brazil Keywords: model management, conceptual aircraft design, sensitivity analysis Abstract less transition and non-dissipative information flow is desirable. For initial design, two ap- Model management during conceptual aircraft proaches are common, the classical aircraft pre- design is an important issue. This paper shows liminary sizing (as in [1] or a match design ap- the basic ideas and capabilities of the con- proach e.g. supported by the open vehicle sketch ceptual aircraft design framework developed at pad (openVSP) from NASA [2]. The former is Linköping University with focus on efficient low a requirement driven clean sheet design approach fidelity geometry definition. As an example, the whereas the later is similar to a classical reengi- analysis of an F-16 fighter is presented. neering approach (as used in this paper). In com- mon with both approaches is the absence of cru- 1 Introduction cial parameters (airfoil data, wing twist) in the initial assessment. However, during the classi- With the F-16 as one of the best researched 4th cal sizing approach with its empirical equations generation fi