1. A Preliminary Engine Design Process for an Affordable Capability,2003
2. A Virtual Simulation Platform for the Design, Testing, and Verification of Unmanned Aerial Vehicle Designs,2014
3. The Digital Twin Paradigm for Future NASA and U.S. Air Force Vehicles,2012
4. The Air Force Digital Thread/Digital Twin - Life Cycle Integration and Use of Computational and Experimental Knowledge,2016
5. Digital Geometry to Support a Gas Turbine Digital Twin,2019