Mitigation of Engine Inlet Distortion through Adjoint-Based Design | Zendy

Irian Ordaz | Zendy; Sriram K. Rallabhandi | Zendy; Eric J. Nielsen | Zendy; Boris Diskin | Zendy

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Mitigation of Engine Inlet Distortion through Adjoint-Based Design

Author(s) -

Irian Ordaz,

Sriram K. Rallabhandi,

Eric J. Nielsen,

Boris Diskin

Publication year - 2017

Publication title -

35th aiaa applied aerodynamics conference

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2017-3410

Subject(s) - inlet , distortion (music) , computer science , automotive engineering , environmental science , mechanical engineering , engineering , telecommunications , bandwidth (computing) , amplifier

The adjoint-based design capability in FUN3D is extended to allow efficient gradientbased optimization and design of concepts with highly integrated aero-propulsive systems. A circumferential distortion calculation, along with the derivatives needed to perform adjoint-based design, have been implemented in FUN3D. This newly implemented distortion calculation can be used not only for design but also to drive the existing mesh adaptation process and reduce the error associated with the fan distortion calculation. The design capability is demonstrated by the shape optimization of an in-house aircraft concept equipped with an aft fuselage propulsor. The optimization objective is the minimization of flow distortion at the aerodynamic interface plane of this aft fuselage propulsor.

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