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Rapid load calculations using an efficient unsteady aerodynamic solver

Rapid load calculations using an efficient unsteady aerodynamic solver
Rapid load calculations using an efficient unsteady aerodynamic solver

A novel computationally efficient approach to calculate unsteady aerodynamic loads is presented. The hybrid unsteady aerodynamics approach couples two recently developed solvers. The first solver is based on the time marching of vortex lattice method equations. The second one is a state–of–the–art efficient Navier–Stokes solver for the infinite–swept wing problem, implemented in the DLR-Tau code. This paper describes the algorithmic development of this novel approach and demonstrates its high computational efficiency. Algorithmic details are followed by an extensive validation campaign, covering subsonic and transonic unsteady flows.

American Institute of Aeronautics and Astronautics
Kharlamov, Daniel
79b001cf-ae0a-4867-b38b-fcd73bb76bac
Drofelnik, Jernej
e785f695-61ef-4afc-bf0a-9dc7966f5516
Da Ronch, Andrea
a2f36b97-b881-44e9-8a78-dd76fdf82f1a
Walker, Scott
f28a342f-9755-48fd-94ea-09e44ac4dbf5
Kharlamov, Daniel
79b001cf-ae0a-4867-b38b-fcd73bb76bac
Drofelnik, Jernej
e785f695-61ef-4afc-bf0a-9dc7966f5516
Da Ronch, Andrea
a2f36b97-b881-44e9-8a78-dd76fdf82f1a
Walker, Scott
f28a342f-9755-48fd-94ea-09e44ac4dbf5

Kharlamov, Daniel, Drofelnik, Jernej, Da Ronch, Andrea and Walker, Scott (2018) Rapid load calculations using an efficient unsteady aerodynamic solver. In 2018 Atmospheric Flight Mechanics Conference. American Institute of Aeronautics and Astronautics.. (doi:10.2514/6.2018-3621).

Record type: Conference or Workshop Item (Paper)

Abstract

A novel computationally efficient approach to calculate unsteady aerodynamic loads is presented. The hybrid unsteady aerodynamics approach couples two recently developed solvers. The first solver is based on the time marching of vortex lattice method equations. The second one is a state–of–the–art efficient Navier–Stokes solver for the infinite–swept wing problem, implemented in the DLR-Tau code. This paper describes the algorithmic development of this novel approach and demonstrates its high computational efficiency. Algorithmic details are followed by an extensive validation campaign, covering subsonic and transonic unsteady flows.

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More information

e-pub ahead of print date: 24 June 2018
Published date: 25 June 2018
Venue - Dates: Atmospheric Flight Mechanics Conference, 2018, , Atlanta, United States, 2018-06-24 - 2018-06-28

Identifiers

Local EPrints ID: 424352
URI: http://eprints.soton.ac.uk/id/eprint/424352
PURE UUID: 74ab3a88-cff4-4c55-be74-a7b005b9e436

Catalogue record

Date deposited: 05 Oct 2018 11:36
Last modified: 25 Nov 2021 23:16

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Contributors

Author: Daniel Kharlamov
Author: Jernej Drofelnik
Author: Andrea Da Ronch
Author: Scott Walker

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