Real-time computational fluid dynamics for flight simulation
Kenny, James, Takeda, Kenji and Thomas, Glyn (2008) Real-time computational fluid dynamics for flight simulation. In, The Interservice/Industry Training, Simulation & Education Conference (I/ITSEC), Orlando, USA, 01 - 04 Dec 2008. 8pp.
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Description/Abstract
A service oriented architecture is described that enables computational fluid dynamics (CFD) simulations to run alongside a human-in-the-loop flight simulator; thereby informing the behavior of a simulated aircraft whilst it is being piloted. The scenario of a helicopter landing on a moving ship at sea, is used as an example application.
A generic service-oriented architecture is presented that allows coupling of a real-time flight simulator, flight dynamics model and CFD simulation running on a high performance computer. The case study used is performing unsteady CFD calculations used to model the aerodynamic development of, and interaction between, the ship and helicopter wakes; The CFD code resides on a cluster computer and is exposed to a PC-based flight simulator as a service, enabling two-way data exchange between the CFD and flight model whilst the simulation is running. Real-time analysis of the CFD results and control inputs allows prediction of the forces acting on the helicopter rotor, this is fed into a full six degree of freedom flight model. Performance results for the full end-to-end architecture are presented to demonstrate the capability, and limitations, of this approach.
The paper concludes with a short discussion regarding the potential for this architecture to provide a generic representation of aircraft-environment interactions, and their influence on performance and handling. Implementing a more accurate representation of these phenomena in flight simulators could improve the ability to prepare pilots for challenging tasks such as: landing on ships, flying in urban environments, dealing with „brown-out‟ conditions, and encountering the wakes of other aircraft.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Related URLs: | |
| Keywords: | computational fluid dynamics, cfd, real-time, helicopter, flight simulation, high performance computing, hpc, i/itsec, coupled, service oriented architecture, soa |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) Q Science > QA Mathematics > QA76 Computer software |
| Divisions: | University Structure - Pre August 2011 > School of Engineering Sciences > Aerodynamics & Flight Mechanics |
| Item ID: | 64868 |
| Date Deposited: | 20 Jan 2009 |
| Last Modified: | 02 Mar 2012 12:53 |
| Contributors: | Kenny, James (Author) Takeda, Kenji (Author) Thomas, Glyn (Author) |
| Date: | December 2008 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/64868 |
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