Prediction of helicopter maneuver loads using a fluid-structure analysis

Journal of Aircraft

Volumn 46, Issue 5, 2009, Pages 1770-1784

  Sitaraman, Jayanarayanan ^a,b   Roget, Beatrice ^a,b  

^a NATIONAL INSTITUTE OF AEROSPACE   (United States)

^b NONE

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; ANTENNAS; COMPUTATIONAL FLUID DYNAMICS; DYNAMIC LOADS; FLOW SEPARATION; FLUID STRUCTURE INTERACTION; STRUCTURAL ANALYSIS; STRUCTURAL DYNAMICS; SUPERSONIC AIRCRAFT; VORTEX FLOW;

ACCURATE PREDICTION; AERODYNAMIC LOADING; ANALYSIS FRAMEWORKS; COMPUTATIONAL STRUCTURAL DYNAMICS; FREE VORTEX METHODS; PREDICTED PERFORMANCE; SHOCK INDUCED SEPARATION; UNSTEADY REYNOLDS AVERAGED NAVIER-STOKES EQUATIONS;

NAVIER STOKES EQUATIONS;

EID: 73649129928     PISSN: 00218669     EISSN: 15333868     Source Type: Journal    
DOI: 10.2514/1.43004     Document Type: Article

References (31)

1. Bousman, W. G., "Putting the Aero Back into Aeroelasticity," 8th Annual ARO Workshop on Aeroelasticity of Rotorcraft Systems, University Park, PA, U.S. Army Research Office, Paper A695084, Oct. 1999.
2. Datta, A., Sitaraman, J., Chopra, I., and Baeder, J., "Analysis Refinements for Prediction of Rotor Vibratory Loads in High-Speed Forward Flight," American Helicopter Society 60th Annual Forum [CD-ROM], AHS International, Alexandria, VA, June 2004.
3. Sitaraman, J., Datta, A., Baeder, I., and Chopra, I., "Coupled CFD/CSD Prediction of Rotor Aerodynamic and Structural Dynamic Loads for Three Critical Flight Conditions," 31st European Rotorcraft Forum [CD-ROM], Associazione Italiana di Aeronautica e Astronautica, Rome, Sept. 2005.
4. Potsdam, M., Yeo, H., and Johnson, W., "Rotor Airloads Prediction Using Loose Aerodynamic/Structural Coupling," American Helicopter Society 60th Annual Forum [CD-ROM], AHS International, Alexandria, VA, June 2004.
5. Altmikus, A. R. M., Wagner, S., Beaumier, P., and Servera, G., "A Comparison : Weak Versus Strong Modular Coupling for Trimmed Aeroelastic Rotor Simulation," American Helicopter Society 58th Annual Forum [CD-ROM], AHS International, Alexandria, VA, June 2002.
6. Pomin, H., and Wagner, S., "Aeroelastic Analysis of Helicopter Rotor Blades on Deformable Chimera Grids," Journal of Aircraft, Vol. 41, No. 3, May-June 2004, pp. 577-584. doi:10.2514/1.11484.
7. Sitaraman, J., Baeder, J. D., and Chopra, I., "Validation of UH-60 Rotor Blade Aerodynamic Characteristics Using CFD," 59th Annual Forum of the American Helicopter Society [CD-ROM], AHS International, Alexandria, VA, 2003.
8. Duraisamy, K., Sitaraman, J., and Baeder, J., "High Resolution Wake Capturing Methodology for Improved Rotor Aerodynamic Computations," 61st Annual Forum of the American Helicopter Society [CDROM], AHS International, Alexandria, VA, 2005.
9. Sitaraman, J., Baeder, J. D., and Iyengar, V., "On the Field Velocity Approach and Geometric Conservation Law for Unsteady Flow Simulations," 16th AIAA Computational Fluid Dynamics Conference, Orlando, FL, AIAA Paper 2003-3835, June 2003.
10. Sitaraman, J., and Baeder, J. D., "Evaluation of the Wake Prediction Methodologies Used in CFD Based Rotor Airload Computations," 24th Applied Aerodynamics Conference, San Francisco, AIAA Paper 2006- 3472, June 2006.
11. Bhagwat, M., Ormiston, R., Saberi, H., and Xin, H., "Application of CFD/CSD Coupling for Analysis of Rotorcraft Airloads and Blade Loads in Maneuvering Flight," 63rd Forum of the American Helicopter Society [CD-ROM], AHS International, Alexandria, VA, 1-3 May 2007
12. Bhagwat, M., and Ormiston, R., "Examination of Rotor Aerodynamics in Steady and Maneuvering Flight Using CFD and Conventional Methods," AHS Specialists Conference on Aeromechanics [CD-ROM], AHS International, Alexandria, VA, Jan. 2008.
13. Abhishek, A., Datta, A., and Chopra, I., "Comprehensive Analysis, Prediction, and Validation of UH60A Blade Loads in Unsteady Maneuvering Flight," AHS Specialists Conference of the American Helicopter Society [CD-ROM], AHS International, Alexandria, VA, Jan. 2008.
14. Silbaugh, B., and Baeder, J. D., "Coupled CFD/CSD Analysis of a Maneuvering Rotor Using Staggered and Time-Accurate Coupling Schemes," AHS Specialists Conference on Aeromechanics [CD-ROM], AHS International, Alexandria, VA, Jan. 2008.
15. Srinivasan, G. R., and Baeder, J. D., "TURNS: A Free-wake Euler/Navier-Stokes Numerical Method for Helicopter Rotors," AIAA Journal, Vol. 31, No. 5, 1993, pp. 959-962. doi:10.2514/3.49036.
16. Bauchau, O. A., and Kang, N. K., "A Multibody Formulation for Helicopter Structural Dynamic Analysis," Journal of the American Helicopter Society, Vol. 38, No. 2, Apr. 1993, pp. 3-14. doi:10.4050/JAHS.38.3.
17. Jameson, A., and Yoon, S., "Lower-Upper Implicit Schemes with Multiple Grids for the Euler Equations," AIAA Journal, Vol. 25, No. 7, 1987, pp. 929-935. doi:10.2514/3.9724.
18. Yoon, S., and Jameson, A., "An LU-SSOR Scheme for the Euler and Navier Stokes Equations," 25th Aerospace Sciences Meeting, AIAA Paper 1987-600, Reno, NV, Jan. 1987.
19. Vinokur, M., "An Analysis of Finite-Difference and Finite-Volume Formulations for Conservation Laws," Journal of Computational Physics, Vol. 81, No. 1, Mar. 1989, pp. 1-52. doi:10.1016/0021-9991(89)90063-6.
20. Pulliam, T., and Steger, J., "Implicit Finite Difference Simulations of Three Dimensional Compressible Flow," AIAA Journal, Vol. 18, No. 2, 1980, pp. 159-167. doi:10.2514/3.50745.
21. Bauchau, O. A., Bottasso, C. L., and Trainelli, L., "Robust Integration Schemes for Flexible Multibody Systems," Computer Methods in Applied Mechanics and Engineering, Vol. 192, No. 3-4, 2003, pp. 395- 420. doi:10.1016/S0045-7825(02)00519-4. (Pubitemid 36101383)
22. Peters, D. A., and He, C. J., "Finite State Induced Flow Models. Part 2: Three-Dimensional Rotor Disk," Journal of Aircraft, Vol. 32, No. 2, Mar.-Apr. 1995, pp. 323-333. doi:10.2514/3.46719.
23. Bhagwat, M., and Leishman, J. G., "Stability, Consistency and Convergence of Time-Marching Free-Vortex RotorWake Algorithms," Journal of the American Helicopter Society, Vol. 46, No. 1, Jan. 2001, pp. 59-71. doi:10.4050/JAHS.46.59.
24. Roget, B., "Simulation of Active Twist and Active Flap Control on a Model-Scale Helicopter Rotor," 24th Applied Aerodynamics Conference, San Francisco, AIAA Paper 2006-3473June 2006.
25. Squire, H. B., "The Growth of a Vortex in Turbulent Flow," Aeronautical Quarterly, Vol. 16, Aug. 1965, pp. 302-306.
26. Weissinger, J., "The Lift Distribution on Swept-Back Wings," NACA TM 1120, Mar. 1947.
27. Datta, A., "Fundamental Understanding, Prediction, and Validation of Rotor Vibratory Loads in Steady Level Flight," Ph.D. Thesis, Univ. of Maryland, College Park, MD, 2004.
28. Kufeld, R. M., and Johnson, W., "The Effects of Control System Stiffness Models on the Dynamic Stall Behavior of a Helicopter," American Helicopter Society 54th Annual Forum [CD-ROM], AHS International, Alexandria, VA, 20-22 May 1998.
29. Bousman, G., Kufeld, R. M., Balough, D., Cross, J. L., Studebaker, K. F., and Jennison, C. D., "Flight Testing the UH-60A Airloads Aircraft," 50th Annual Forum of the American Helicopter Society [CD-ROM], AHS International, Alexandria, VA, May 1994.
30. Kufeld, R. M., "High Load Conditions Measured on a UH-60A in Maneuvering Flight," Journal of the American Helicopter Society, Vol. 43, No. 3, July 1998, pp. 202-211. doi:10.4050/JAHS.43.202.
31. McHugh, F. J., "What are the Lift and Propulsive Force Limits at High Speed for the Conventional Rotor?" American Helicopter Society 34th Annual Forum [CD-ROM], AHS International, Alexandria, VA, May 1978.