| Author | M. Dindar, A. Lemnios and M. S. Shephard |
|---|---|
| Title | Adaptive Solution Procedures for Rotorcraft Aerodynamics |
| Year | 1997 |
| Pages | - - |
| Editor | - - |
| Abstract | An adaptive refinement procedure is developed for computing vortical flows encountered in rotor aerodynamics. An error indicator based on interpolation error estimate is formulated and coded into an adaptive finite element framework. It is shown that the error indicator based on interpolation error estimate is effective in resolving the global features of the flow-field. Further, it was found that another error indicator is needed to resolve small scale features of the flow such as vortex tubes. For this purpose, a topology based vortex core detection technique is used to capture vortex tubes for rotor blades in hover conditions. The combination of the two error indicators used in refining the flow is very effective. The adaptive methodology presented shows promise for computing rotor-blade flows effectively and efficiently with minimum user interference during the adaptation procedure. |
| PDF File |  Download |