Fertig Research Group Home|College of Engineering and Applied Science

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Ray S. Fertig III
University of Wyoming
Department of
Mechanical Engineering
Dept. 3295
1000 E. University Ave.
Laramie, WY 82071
Phone: (307) 766-3647
Fax: (307) 766-2695
Email: rfertig@uwyo.edu
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Principal Investigator

Ray S. Fertig III received BS (2001) and MS (2003) degrees in Mechanical Engineering from the University of Wyoming and MS (2005) and PhD (2010) degrees in Materials Science and Engineering from Cornell University. Fertig joined the Mechanical Engineering Department in 2011. He is also a faculty participant in the interdisciplinary Materials Science and Engineering Program.

Graduate Students

Hamid Sanei (PhD), Email: ssanei@uwyo.edu
Hamid is from Mashhad, Iran. He earned his bachelor’s and master’s degrees at Azad and Ferdowsi University of Mashhad, respectively. He started his Ph.D. at University of Wyoming in Spring 2012 and joined the group in Spring 2014. His research is focused on the reliability prediction of fiber reinforced polymers. He is working on correlating the variability in microstructure to scattering of mechanical properties at macroscale. To that end, he is creating a microstructural model with multiscale defects and isolating the effect of each defect to monitor their influences on composite structural reliability. Modeling the real rather than the ideal, and random instead of deterministic microstructures, enables simulation of random failures similar to those observed experimentally.

Geeta Monpara (PhD), Email: gmonpara@uwyo.edu
Geeta is originally from India. She completed her Bachelors and Masters degrees in Metallurgical Engineering and Materials Science from Indian Institute of Technology Bombay. She joined the group in Summer 2014 as a PhD student. Her research work is focused on developing physics-based multiscale models to predict durability in fiber reinforced polymers under combined fatigue and environmental loading. Environmental effects such as moisture absorption can significantly reduce the strength of composite structures. Consequently, the ability to predict these effects is critical for design of robust composite structures.

Faisal Bhuiyan (PhD), Email: fbhuiyan@uwyo.edu
Faisal is from Chittagong, Bangladesh. He has a B.Sc. in Mechanical Engineering from Bangladesh University of Engineering and Technology (BUET) and joined the group in Fall 2014. He is working on the development of a physics-based methodology for reliability prediction of wind turbine blades. The goal of the project is to develop a multiscale physics-based Monte Carlo structural simulation tool for predicting the distribution of failure lifetimes in a wind turbine blade.

Alexander Yannacone (MS), Email: ayannacc@uwyo.edu
Alex is from Turbotville, PA. He has a B.S. (2005) in Aeronautical Engineering from Clarkson University in Potsdam, NY and joined the group in Spring 2015. Prior to joining the group he worked as a structures liaison/design engineer at American Airlines in Tulsa, OK and then later at Spirit AeroSystems in Kinston, NC. He is working on enhancing multiscale modeling methods for composites to predict the effects of plasticity in fiber reinforced polymers (e.g. thermoplastics) for more accurate failure prediction.

David Leonhardt (MS), Email: dleonha1@uwyo.edu
David is from Thermopolis, Wyoming. He has a B.S. in Mechanical Engineering from the University of Wyoming and joined the group in Summer 2015. His research is focused on improving the fatigue life of tactile metal dome switches. His work involves parameterized finite element modeling of the dome geometry, coupled with material characterization. Both the material properties and dome geometry have a significant impact on the switch actuation force and fatigue life. The end result of the research will be a software package enabling more robust dome design.


Siavash Sarrafan (MS), Email: ssarrafa@uwyo.edu
Siavash is from Mashhad, Iran. He joined the group in Spring 2013 and graduated in Fall 2015. He has his BS and MS in Mechanical Engineering from Ferdowsi University of Mashhad. His research focused on dislocation dynamics in thin films, specifically on developing a computationally efficient 2.5D methodology for studying methods to tailor dislocation microstructures. This will lead to better understanding and control of dislocations thin films, which promises significantly enhanced mechanical, optical, and electrical properties. Siavash is currently a PhD student at Lousiana State University.

Eric Jensen (MS), Email: eric.jensen@allegion.com
Eric is from Douglas, WY and has a B.S. in Mechanical Engineering from the University of Wyoming. His research focused on the creep and fatigue behavior of fiber reinforced polymers. He extended a physics-based fatigue model to also predict creep behavior of composite laminates. In conjunction with this effort he developed an optical strain measurement system to monitor strain distributions during testing, particularly for long term creep tests. This will allow for future improvements to the creep/fatigue model and permit robust model validation. Eric is currently employed at Allegion.

Kedar Malusare (MS), Email: kedar.malusare@stutzkiengineering.com
Kedar is from Mumbai, India. He has a B.E in Mechanical Engineering from the University of Mumbai and joined the Fertig Group in Fall 2012 and graduated in the Spring of 2014. He investigated the relationship between strain energy and volume average constituent stresses. His research focused on developing computer simulations to study the variation of interaction energy for a variety of different fiber configurations, load states, and constituent properties. This will be used to augment the existing failure theories that use volume average quantities to better predict failure. Kedar is currently employed at Stutzki Engineering.

Undergraduate Researchers

  • 2015 - Kent Scarince
  • 2015 - E. John Barsotti
  • 2015 - Matthew Doherty
  • 2015 - Kyle Kuhn
  • 2015 - Matthew Love
  • 2015 - Nicholas Mavriplis
  • 2014 - David Leonhardt
  • 2014 - Thomas Bilodeau
  • 2014 - Matthew Love
  • 2013 - Dustin Bales
  • 2013 - Abby Huyler
  • 2013 - David Leonhardt
  • 2013 - David Veinbergs

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