Code Overview
Background
What's New
Upcoming Events
Publications
Feedback
Download Demo
Tutorial
Examples
Reports
McClung, R. C. (2005). "A Bibliography and Abstracts on the Stability of Residual Stresses and Their Influence on Fatigue."
Srivatsa, S. (2005). "Deformation Strain Needed to Crack Hard Alpha Anomalies."
Srivatsa, S. (2002). "Turbine Rotor Material Design Task 2: Effect of Forging on Defect Morphology Phase II Report."
Woodfield, A. (2002). "Sensitivity of Ti-17 to an Oxygen-Stabilized Hard Alpha."
Southwest Research Institute, Allied Signal, General Electric, Pratt & Whitney, Rolls-Royce Allison, Scientific Forming Technologies (2000). Turbine Rotor Material Design, Phase 1 Final Report, FAA Grant 95-G-041, Federal Aviation Administration, Washington, DC. Note: this file is very large (86 MB)

Articles and Presentations
Phase II Article List
Phase II Presentation List
Phase I Article List
Phase I Presentation List

Top
pre-2001
2001
2002
2003
2004
2005
2006 2007
Bot

 

2007
Millwater, H.R. et al. (2007).  "Convergent zone-refinement method for risk assessment of gas turbine disks subject to low-frequency metallurgical defects," Journal of Engineering for Gas Turbine and Power, Volume 129, pp. 827-835.

 

 

 

2006
Millwater, H.R. and Osborn, R.W. (2006).  "Probabilistic sensitivities for fatigue analysis of turbine engine disks," International Journal of Rotating Machinery, Volume 2006, pp. 1-12.
Enright, M.P. and Huyse, L. (2006). "Methodology for probabilistic life prediction of multiple anomaly materials," AIAA Journal, 44(4), pp. 787-793.
Enright, M.P. et al. (2006). "Adaptive optimal sampling methodology for reliability prediction of series systems," AIAA Journal, 44(3), pp. 523-528.
2005
Enright, M.P. et al. (2005). "Fracture mechanics-based probabilistic life prediction of components with large numbers of inherent material anomalies," Proceedings Ninth International Conference on Structural Safety and Reliability (ICOSSAR), Rome, Italy, June 19-23, pp. 601-607.
Enright, M.P. et al. (2005). "A probabilistic framework for risk prediction of engine components with inherent and induced material anomalies," Proceedings 50th ASME International Gas Turbine & Aeroengine Technical Congress, Reno, NV, June 6-9, Paper GT2005-68982.
Jameel, A. (2005). "Surface damage tolerance analysis of a gas turbine engine rotor", Proceedings 50th ASME International Gas Turbine & Aeroengine Technical Congress, Reno, NV, June 6-9, Paper GT2005-68760.
Enright, M.P. et al. (2005). "Methodology for probabilistic life prediction of multiple anomaly materials," Proceedings of the 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Austin, TX, April 18-21.
Momin, F.N. et al. (2005). "Application of the generalized conditional expectation method for enhancing probabilistic fatigue design code," Proceedings of the 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Austin, TX, April 18-21.
Osborn, W. et al. (2005). "Application of probabilistic sensitivities to probabilistic fatigue analysis of gas turbine engine disks," Proceedings of the 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Austin, TX, April 18-21.
2004
Momin, F.N. et al. (2004). "Application of a Conditional Expectation Response Surface Approach to Probabilistic Fatigue," 9th ASCE Speciality Conference on Probabilistic Mechanics and Structural Reliability, ASCE, Albuquerque, NM, July, ASCE Paper PMC2004-204.
McClung, R.C. et al. (2004). "Efficient fracture design for complex turbine engine components," Proceedings, 49th ASME International Gas Turbine & Aeroengine Technical Congress, ASME, Vienna, Austria, June 14-17, ASME Paper GT2004-53323.
Enright, M.P. et al. (2004). "Adaptive Optimal Sampling Methodology for Zone-Based Probabilistic Life Prediction," Proceedings of the 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, April 19-22.
Millwater, H.R. et al. (2004). "Application of Parallel Processing to Probabilistic Fracture Mechanics Analysis of Gas Turbine Disks," Proceedings of the 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, April 19-22.
Waldhart, C. et al. (2004). "Methodology for Application of 3-D Stresses to Surface Damage-Based Risk Assessment,"Proceedings of the 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, April 19-22.
Enright, M.P. et al. (2004). "Probabilistic methodology for life prediction of aircraft turbine rotors," Proceedings, 9th Biennial ASCE Aerospace Division International Conference (Earth and Space), Houston, TX, March 7-10.
Leverant, G.R. et al. (2004). "A new tool for design and certification of aircraft turbine rotors," Journal of Engineering of Gas Turbines and Power, Volume 126, pp. 155-159.
2003
McClung R.C. et al. (2003). "The DARWIN® Computer Program for Probabilistic Damage Tolerance Analysis of Engine Rotors," ADF Aircraft Engine Symposium, Melbourne, Australia, October 29-30, 2003.
Enright, M.P. et al. (2003). "Probabilistic surface damage tolerance assessment of aircraft turbine rotors," Proceedings of the 48th ASME International Gas Turbine & Aeroengine Technical Congress, Atlanta, GA, June 16-19.
Huyse, L. et al. (2003). "Efficient Statistical Analysis of Failure Risk in Engine Rotor Disks Using Importance Sampling Techniques," Proceedings of the 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 7-10.
Millwater, H.R. et al. (2003). "Application of an XML-Based Database for Probabilistic Analysis," Proceedings of the 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 7-10.
Jameel, A., Lehmann, D., Tschopp, J., and Dubke, J. (2003). "Application of DARWIN to evaluate risk of fracture due to material anomalies in gas turbine engines," 6th Annual FAA/Air Force NASA/Navy Workshop on the Application of Probabilistic Methods to Gas Turbine Engines, Solomon's Island, MD, March 16-20, 2003.
Enright, M.P. et al. (2003). "Summary of New DARWIN Capabilities for Surface Damage Tolerance Assessment and Related Enhancements," 6th Annual FAA/Air Force NASA/Navy Workshop on the Application of Probabilistic Methods to Gas Turbine Engines, Solomon's Island, MD, March 16-20, 2003.
Huyse, L. et al. (2003). "Recent Probabilistic Computational Efficiency Enhancements in DARWIN," 6th Annual FAA/Air Force NASA/Navy Workshop on the Application of Probabilistic Methods to Gas Turbine Engines, Solomon's Island, MD, March 16-20, 2003.
McClung, R.C (2003). "An Executive Update on the Turbine Rotor Material Design (TRMD) Program," 6th Annual FAA/Air Force NASA/Navy Workshop on the Application of Probabilistic Methods to Gas Turbine Engines, Solomon's Island, MD, March 16-20.
Laz, P.J. et al. (2003). "Effect of CTE-induced residual stresses around hard alpha particles on fatigue crack growth in Ti-6Al-4V," Fatigue and Fracture of Engineering Materials and Structures Vol. 26, No. 12, pp. 1145-1157.
2002
*Leverant, G.R. et al. (2002). "A new tool for design and certification of aircraft turbine titanium rotors," Proceedings of the 47th ASME International Gas Turbine & Aeroengine Technical Congress, Amsterdam, The Netherlands, June 3-6.
Wu, Y.-T. et al. (2002). "Probabilistic Methods for Design Assessment of Reliability with Inspection," AIAA Journal, Volume 40, Number 5, pages 937-946.
Enright, M.P. et al. (2002). "Optimal sampling techniques for zone-based probabilistic fatigue life prediction," Proceedings of the 43rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Non-Deterministic Approaches Forum, Denver, CO, April 22-25.
Millwater, H.R. et al. (2002). "A convergent probabilistic technique for risk assessment of gas turbine disks subject to metallurgical defects," Proceedings of the 43rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Non-Deterministic Approaches Forum, Denver, CO, April 22-25.
2001
Leverant, G.R. et al. (2001). "Update on the FAA turbine rotor material design program," 5th Annual FAA/Air Force/NASA/Navy Workshop on the Application of Probabilistic Methods for Gas Turbine Engines, Westlake, Ohio, June 11-13.
McClung, R.C. et al. (2001). "Crack nucleation and growth data and modeling," 5th Annual FAA/Air Force/NASA/Navy Workshop on the Application of Probabilistic Methods for Gas Turbine Engines, Westlake, Ohio, June 11-13.
Millwater, H.R. et al. (2001). "DARWIN enhancements for probabilistic risk assessment," 5th Annual FAA/Air Force/NASA/Navy Workshop on the Application of Probabilistic Methods for Gas Turbine Engines, Westlake, Ohio, June 11-13.
McClung, R.C. et al. (2001). "A probabilistic damage tolerance analysis computer program for engine rotor integrity," AHS Forum 57, Special Session on Engine Life Management: Addressing Fleet Risk With Innovative Approaches, Washington, DC, May 9-11.
2000
McKeighan, P.C. et al. (2000). "Sensing Crack Nucleation and Growth in Hard Alpha Defects Embedded in Ti-6AI-4V Alloy", Nontraditional Methods of Sensing Stress, Strain, and Damage in Materials and Structures: Second Volume, ASTM STP 1323, G.F. Lucas, P.C. McKeighan, and J.S. Ransom, Eds., American Society for Testing and Materials, West Conshohocken, PA, 2000.
Chan, K.S. et al. (2000). "Constitutive Properties of Hard-Alpha Titanium," Metallurgical and Materials Transactions, Volume 31A, December 2000. Note: this file is large (11.5 MB)
Wu, Y.-T. (Justin) et al. (2000). "Efficient and accurate methods for probabilistic analysis of titanium rotors," Proceedings of the 8th ASCE Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability, Notre Dame, IN, July 24-26.
*Millwater, H.R. et al. (2000). "A probabilistically-based damage tolerance analysis computer program for hard alpha anomalies in titanium rotors," Proceedings of the 45th ASME International Gas Turbine & Aeroengine Technical Congress, Munich, Germany, May 8-10.
Wu, Y.-T. (Justin) et al. (2000). "Probabilistic methods for design assessment of reliability with inspection (DARWIN)," Proceedings, 41st Structures, Structural Dynamics, and Materials Conference, Atlanta, GA, April 3-6.
Enright, M.P. et al. (2000). "Probabilistic fatigue life sensitivity analysis of titanium rotors," Proceedings, 41st Structures, Structural Dynamics, and Materials Conference, Atlanta, GA, April 3-6.

 

 

1999
McClung, R.C. (1999). "Fracture mechanics analysis in DARWIN," 4th Annual FAA/USAF Workshop, Application of Probabilistic Methods to Gas Turbine Engines, Jacksonville, FL, December 7-8.
Wu, Y.-T. (Justin), et al. (1999). "Probabilistic methods for DARWIN," 4th Annual FAA/USAF Workshop, Application of Probabilistic Methods to Gas Turbine Engines, Jacksonville, FL, December 7-8.
Millwater, H.R. et al. (1999). "A probabilistically-based damage tolerance analysis computer program for hard alpha defects in titanium rotors," USAF Structural Integrity Program Conference, San Antonio, TX, Nov. 30.
McClung, R.C. et al. (1999). "Development of a probabilistic design system for gas turbine rotor inspection," Fatigue '99 The Seventh International Fatigue Conference, Beijing, China, June 8-12, 2655-2660.
McClung, R.C. et al. (1999). "Fatigue crack growth of titanium rotor alloys in vacuum and air", Fatigue Behavior of Titanium Alloys, R. Boyer, D. Eylon, G. Lutjering eds., The Minerals, Metals & Materials Society, 211-218.
McKeighan, P.C. et al. (1999). "Characterizing the cracking behavior of hard alpha defects in rotor grade Ti-6-4 Alloy", Fatigue Behavior of Titanium Alloys, R.R. Boyer, D. Eylon, and G. Lutjering, eds., The Minerals, Metals & Materials Society.

 

 

1997
*Leverant, G.R. et al. (1997). "A probabilistic approach to aircraft turbine rotor material design," ASME International Gas Turbine & Aeroengine Congress ,Paper 97-GT-22.
Aerospace Industries Association Rotor Integrity Sub-Committee(1997). " The development of anomaly distributions for aircraft engine titanium disk alloys", 38th AIAA/ASME/ASCE/AHS/ASC SDM Conference, 2543-2553.
RISC White Paper on AC33.14
*Copyright ASME. For further information on ASME publications, visit the ASME web site.
Top
pre-2001
2001
2002
2003
2004
2005
2006 2007
Bot