1. Department of Mechanical Engineering, Brigham Young University, Provo, UT 84602
2. Assistant Professor Department of Mechanical Engineering, Brigham Young University, Provo, UT 84602 e-mail:
3. Associate Professor Department of Mechanical Engineering, Brigham Young University, Provo, UT 84602
4. Learning, Training, and Development, Boeing, Seattle, WA 98108