Bio
Calvin M Stewart is a Ph.D. graduate student in the Department of Mechanical, Materials, and Aerospace Engineering at the University of Central Florida. He current works in the mechanics of materials research group with Dr. Ali P. Gordon. He is estimated to graduate with a PhD in Mechanical Engineering in 2012.
Interests: Constitutive Modeling of Creep and Thermomechanical Fatigue, Crack Growth, Damage Mechanics, Life Prediction Methodologies, and Solid Mechanics Design.
Email: calvin.stewart @ knights.ucf.edu
Education
University of Central Florida: Ph.D., Mechanical Engineering (Est. 2012)
Area of Study : Constitutive modeling of superalloys, rupture prediction, damage mechanics
University of Central Florida: M.S., Mechanical Engineering (2009)
Thesis: “Tertiary Creep Damage Modeling of a Transversely Isotropic Ni-Based Superalloy”
University of Central Florida: B.S., Mechanical Engineering (2008)
Internship: Siemens Power Generation
WORK Experience
UCF Mechanics of Materials Research Group, Orlando, FL, Researcher, 2007 -
- Constitutive Modeling of Creep and Viscoplasticity
- Creep Characterization of Transversely-Isotropic Ni-based Superalloys
- Damage Mechanics
- Life Prediction Methodologies
PICO Technologies, Orlando, FL, Engineer, 2008 - 2009
- Perform mechanical design for venture product
- Co-develop a project plan for prototype fabrication and test
- Conduct extensive fabrication and testing in Phase II of project
Siemens Power Generation, Orlando, Fl, Professional Intern, 2006 - 2008
- Group - Steam Turbine Engineering - Customer Order Engineering
- Performed Finite Element Analysis on stationary/non-stationary parts
- Design process optimization using numerical methods
- ANSYS Macro development
Publications
Stewart, C. M., and Gordon A. P., (2012), “Consitutive Modeling of Multistage Creep Damage in Isotropic and Transversely-Isotropic Alloys with Elastic Damage,” Journal of Pressure Vessel Technology, Accepted For Publication.
Stewart, C. M., and Gordon A. P., (2011), “Strain and Damage-Based Analytical Methods to Determine the Kachanov-Rabotnov Tertiary Creep Damage Constants,” International Journal of Damage Mechanics, Dec 21st, 2011.
Stewart C. M., Gordon A. P., Ma, Y. W., and Neu, R. W., (2011), ”An Anisotropic Tertiary Creep-Damage Constitutive Model for Anisotropic Materials,” International Journal of Pressure Vessel and Piping, 88(8-9), pp. 356-364.
Stewart C. M., Gordon A. P., Ma, Y. W., and Neu, R. W., (2011), “An Improved Anisotropic Tertiary Creep Damage Formulation,” Journal of Pressure Vessel Technology, 133(5), pp. 1-10.
Stewart C. M., Gordon A. P., Hogan, E. A., and Saxena, A. (2011), “Characterization Of The Creep Deformation And Rupture Behavior Of DS GTD-111 Using The Kachanov-Rabotnov Constitutive Model,” Journal of Engineering Materials and Technology, 133(2), pp. 1-11.
Stewart C. M., and Gordon A. P., (2009), “Modeling the Temperature Dependence of Tertiary Creep Damage of a Ni-base Alloy,” Journal of Pressure Vessel Technology, 131(5), pp. 1-11.
Conference Proceedings
Stewart, C. M., and Gordon, A. P., (2011), “A Multistage Creep Damage Constitutive Model for Isotropic and Anisotropic Materials with Elastic Damage,” ASME 2011 Pressure Vessel and Piping Conference, PVP2011-57049, Baltimore, Maryland, July, 17-21, 2011.
Stewart, C. M., and Gordon, A. P., (2011), “Anisotropic Creep Damage And Elastic Damage Of Notched Directionally Solidified Materials,” Proceedings of the ASME Turbo Expo 2011, GT2011-46476, Vancouver, British Columbia, June, 6-10, 2011.
Stewart, C. M., and Gordon, A. P., (2010), “Analytical Method to Determine the Tertiary Creep Damage Constants of the Kachanov-Rabotnov Constitutive Model,” Proceedings of the 2010 ASME International Mechanical Engineering Congress & Exposition, IMECE2010-39153, Vancouver, British Columbia, November 12-18, 2010.
Stewart, C. M., and Gordon, A. P., (2010), “Crack Initiation Modeling of Turbine Blade Cooling Holes under Creep Conditions,” 2010 Annual FCAAP Symposium & Exhibition, Tallahassee, Florida, August 9-10, 2010.
Stewart, C. M., and Gordon, A. P., (2010), “Modeling the Tertiary Creep Damage Behavior of a Transversely-Isotropic Material under Multiaxial and Periodic Loading Conditions,” ASME 2010 Pressure Vessel and Piping Conference, PVP2010-25041, Bellevue, Washington, July 18-22, 2010.
DeMarco, J. P., Hogan, E. A., Stewart, C. M., and Gordon, A. P., (2010), “An Efficient Method for the Optimization of Viscoplastic Constitutive Model Constants,” ASME TURBOEXPO 2010, GT2010-23311, Glasglow, UK, June 14-18, 2010.
Stewart, C. M., and Gordon, A. P., (2010), “A Creep Rupture Time Model for Anisotropic Creep-Damage of Transversely-Isotropic Materials,” ASME TURBOEXPO 2010, GT2010-22532, Glasglow, UK, June 14-18, 2010.
Stewart, C. M., Hogan, E. A., and Gordon, A. P., (2009), “Modeling the Temperature-Dependence of Tertiary Creep Damage of a Directionally Solidified Ni-Base Superalloy,” Proceedings of the 2009 ASME International Mechanical Engineering Congress & Exposition, IMECE2009-11288, Lake Buena Vista, Florida, November 13-19, 2009.
Stewart, C. M., and Gordon, A. P., (2009), “A Novel Anisotropic Tertiary Creep Damage Model for Transversely Isotropic Materials,” Proceedings of the 12th International Conference on Pressure Vessel Technology, Jeju Island, KOREA, September 20-23, 2009.
Stewart,C. M, Gordon, A. P., and Nicholson, D. W., (2009),” Numerical Simulation of Temperature-Dependent, Anisotropic Tertiary Creep Damage,” 47th AIAA Aerospace Sciences Meeting Including The New Horizons Forum and Aerospace Exposition, Orlando, Fl, January 5-8 2009.
Stewart C. M., and Gordon A. P., (2008) “Modeling the Temperature Dependence of Tertiary Creep Damage of a Ni-Base Alloy,” ASME Early Career Technical Conference, Miami, FL, October 3-4, 2008.
Presentations
Stewart, C. M., and Gordon A. P., (2010), “A Creep Rupture Time Model for Anisotropic Creep-Damage of Transversely-Isotropic Materials,” TMS 2010, February 14-18.
Stewart, C. M., Hogan, E., Gordon, A. P., and Saxena, A., (2009) “Modeling the temperature-dependence of tertiary creep damage of a directionally solidified Ni-Base superalloy,” The University of Central Florida’s Sixth Annual Graduate Research Forum, Orlando, Fl, April 3rd 2009.
Stewart, C. M., and Gordon A. P., (2008), “Temperature Dependence of Tertiary Creep Damage of a Ni-base Superalloy.” Presented at UCF Summer Mentoring Fellowship Final Meeting, University of Central Florida, Orlando, FL, July 24th 2008.
Stewart, C. M., and Gordon, A. P., (2008) “Development of a Temperature Dependent, Anisotropic, Tertiary Creep Damage Model.” SURE Showcase for Undergraduate Research, University of Central Florida, Orlando, FL, April 4th 2008.
Skills
Programming Languages
- ANSYS Parametric Design Language (APDL)
- C/C++
- FORTRAN 77/90/95
- MATLAB
- Visual Basic for Applications
Finite Element Software
- ANSYS Classic
- ANSYS Workbench
- ABAQUS CAE
- PATRAN 2005 (w/ ABAQUS Solver)
Other Software
- Pro/Engineer
- MathCAD
- Mathematica
Membership
• The American Institute of Aeronautics and Astronautics [AIAA]
• American Society for Testing and Materials International [ASTM]
• American Society of Mechanical Engineers [ASME]
• National Society of Black Engineers [NSBE]
• INROADS [Link]
Awards
• Graduate Research Forum “Best in Category”, UCF (2010)
• McKnight Doctoral Fellowship, UCF (2008 – Current)
• Summer Mentoring Fellowship, UCF (2008)
• Florida Bright Futures Scholarship, UCF (2004 – 2008)
• Florida – Georgia Louis Stokes Alliance for Minority Participation [FGLSAMP] Scholar, UCF (2005-2008)
• South East Alliance for Graduate Education and the Professoriate [SEAGEP] Scholar, UCF (2008)
• National Action Council for Minorities in Engineering [NACME] Scholar, UCF (2006-2007)
Featured Articles
Follow the three laws. Develop your Mind. Nourish your Soul. Exercise your Body. They are the keys by which happiness can be attained.
—Me.
NIGHTNIGHT by DEDDY
