Prediction and validation of loads on bearingless rotors using a coupled CFD-CSD methodology

Annual Forum Proceedings - AHS International

Volumn 1, Issue , 2008, Pages 188-217

  Ananthan, Shreyas ^a   Baeder, James D ^a  

^a UNIVERSITY OF MARYLAND   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AEROELASTIC ANALYSIS; BLADE TRAILING EDGE; COMPUTATIONAL FLUID DYNAMICS (CFD); COMPUTATIONAL STRUCTURAL DYNAMICS; COUPLED ANALYSIS; DATA EXCHANGE; FULLY COUPLED; HIGH-FIDELITY; MODELING FIDELITY; NON-LINEAR FLOW; PEAK-TO-PEAK MAGNITUDE; PITCHING MOMENTS; ROTOR BLADES; STRUCTURAL DYNAMICS MODELS; THREE-DIMENSIONAL FLOWS; TORSIONAL MOMENTS; TRAILING-EDGE FLAPS; UNSTEADY SIMULATIONS;

AERODYNAMICS; AIR; BENDING (DEFORMATION); BENDING MOMENTS; COMPUTATIONAL FLUID DYNAMICS; FLUID DYNAMICS; FLUID MECHANICS; FORECASTING; GAS DYNAMICS; ROTORS; STRUCTURAL ANALYSIS; STRUCTURAL DYNAMICS; THREE DIMENSIONAL; WAKES;

DYNAMICS;

EID: 50249083308     PISSN: 15522938     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (39)

1. Datta, A., and Chopra, I., "Validation of Structural and Aerodynamic Modeling Using UH-60A Flight Test Data," Journal of the American Helicopter Society, Vol. 51, No. 1, 2006, pp. 43-58.
2. st European Rotorcraft Forum, Florence, Italy, September 2005.
3. Potsdam, M., Yeo, H., and Johnson, W., "Rotor Airloads Prediction Using Loose Aerodynamic/Structural Coupling," AIAA Journal of Aircraft, Vol. 43, No. 3, 2006, pp. 732-742.
4. Datta, A., Sitaraman, J., Chopra, I., and Baeder, J., "CFD/CSD Prediction of Rotor Vibratory Loads in High-Speed Flight," AIAA Journal of Aircraft, Vol. 43, No. 6, 2006, pp. 1698-1709.
5. st European Rotorcraft Forum, Firenze, Italy, 2005.
6. th European Rotorcraft Forum, September 2003.
7. th Annual Forum of the American Helicopter Society International, Alexandria, VA, June 2004.
8. rd Annual Forum of the American Helicopter Society, Virginia Beach, VA, May 2007.
9. th AIAA Applied Aerodynamics Conference, Miami, FL, June 2007.
10. Shen, J., and Chopra, I., "Aeroelastic Stability of Trailing-Edge Flap Helicopter Rotors," Journal of the American Helicopter Society, Vol. 48, No. 1, 2003, pp. 236-243.
11. Johnson, W., "Rotorcraft Aeromechanics Applications of a Comprehensive Analysis," Heli Japan 98: AHS International Meeting on Advanced Rotorcraft Technology and Disaster Relief, April 1998.
12. th Annual Forum of the American Helicopter Society International, Montréal, Canada, May 1999.
13. th Annual Forum, Washington D. C., May 1994.
14. Nguyen, K., McNulty, M., Anand, V., and Lauzon, D., "Aeroelastic Stability of the McDonnell Douglas Advanced Bearingless Rotor in the 40 -×80-Foot Wind Tunnel," NASA TM-108831, June 1994.
15. Silbaugh, B., and Baeder, J., "Coupled CFD/CSD Analysis of a Maneuvering Rotor Using Staggered & Time-Accurate Coupling Schemes," AHS Specialist's Conference on Aeromechanics, San Francisco, CA, January 2008.
16. th Annual Forum of the American Helicopter Society International, Montréal, Canada, June 2002.
17. Tung, C., Caradonna, F. X., and Johnson, W., "Conservative Full Potential Model for Unsteady Transonic Rotor Flows," AIAA Journal, Vol. 25, No. 2, 1987, pp. 193-198.
18. Chopra, I., and Bir, G., "University of Maryland Advanced Rotor Code: UMARC," American Helicopter Society Aeromechanics Specialists Conference, San Franscisco, CA, January 1994.
19. th Annual Forum of the American Helicopter Society International, Phoenix, AZ, May 2003.
20. th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January 2006.
21. th Annual Forum of the American Helicopter Society, Dallas, TX, 2005.
22. Hahn, S., Duraisamy, K., Iaccarino, G., Nagarajan, S., Sitaraman, J., Wu, X., Alonso, J. J., Baeder, J. D., Lele, S. K., Moin, P., and Schmitz, F. H., "Coupled High-Fidelity URANS Simulation for Helicopter Applications," Annual Research Briefs, 2006, Center for Turbulence Research, Stanford University, pp. 263-274.
23. th AIAA/ISSMO Multi-disciplinary Analysis and Optimization Conference, Albany, NY, August 2004.
24. nd American Helicopter Society International Forum and Technology Display, Phoenix, AZ, May 2006.
25. Bagai, A., and Leishman, J. G., "Rotor Free-Wake Modeling Using a Relaxation Technique - Including Comparisons with Experimental Data," Journal of the American Helicopter Society, Vol. 40, No. 3, July 1995, pp. 29-41.
26. 26Ahrem, R., "Multi-Disciplinary Simulations with Coupling Library MpCCI," Proceedings of Applied Mathematics and Mechanics, Vol. 1, pp. 39-42.
27. Sankaran, S., Alonso, J. J., Liou, M., Liu, N., and Davis, R., "A multi-code-coupling interface for combustor/turbomachinery simulations," AIAA Paper 2001-974, Aerospace Sciences Meeting and Exhibits, Reno, NV, January 2001.
28. th AIAA Aerospace Sciences Meeting, Reno, NV, January 2008.
29. Bagai, A., and Leishman, J. G., "Rotor Free-Wake Modeling using a Pseudoimplicit Relaxation Algorithm," AIAA Journal of Aircraft, Vol. 32, No. 6, Nov.-Dec. 1995, pp. 1276-1285.
30. Weissinger, J., "The Lift Distribution of Swept-Back Wings," NACATM 1120, 1947.
31. Leishman, J. G., and Beddoes, T. S., "A Semi-Empirical Model for Dynamic Stall," Journal of the American Helicopter Society, Vol. 34, No. 3, July 1989, pp. 3-17.
32. Yoon, S., and Jameson, A., "Lower-Upper Symmetric-Gauss-Seidel Method for Euler and Navier-Stokes equations," AIAA Journal, Vol. 26, 1988.
33. Pulliam, T., "Time Accuracy and the use of Implicit Methods," American Institute of Aeronautics and Astronautics 1993-3360, 1993.
34. Spalart, P. R., and Almaras, S. R., "A One Equation Turbulence Model for Aerodynamics Flow," American Institute of Aeronautics and Astronautics 1992-0439, 1992.
35. th AIAA Computational Fluid Dynamics Conference, 2003.
36. Apte, S. V., Mahesh, K., Moin, P., and Oefelein, J. C., "Large-Eddy Simulation of Swirling Particle-Laden Flows in Coaxial-Jet Combustors," International Journal of Multiphase Flow, Vol. 29, No. 8, 2003, pp. 1311-1331.
37. Ffowcs Williams, J. E., and Hawkins, D. L., "Sound Generated by Turbulence and Surfances in Arbitrary Motion," Philosophical Transactions of the Royal Society, Series A, Vol. 264, 1969, pp. 321-342.
38. Brentner, K., and Farassat, F., "Modeling Aerodynamically Generated Sound of Helicopter Rotors," Progress in Aerospace Sciences, Vol. 39, No. 2-3, Feb.-Apr. 2004, pp. 83-120.
39. Brentner, K. S., "Prediction of Helicopter Rotor Discrete Frequency Noise," NASATM-87721, 1986.