1. Engine Integrity Branch, Turbine Engine Division, Aerospace Systems Directorate, AFRL, Wright-Patterson AFB, OH 45433 e-mail:
2. Perceptive Engineering Analytics, LLC, Minneapolis, MN 55418 e-mail:
3. Advanced Engineering Solutions, Lafayette, CO 80026 e-mail:
4. Turbomachinery Branch, Turbine Engine Division, Aerospace Systems Directorate, AFRL, Wright-Patterson AFB, OH 45433 e-mail: