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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People


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.

Siavash Sarrafan (PhD), Email: ssarrafa@uwyo.edu
Siavash is from Mashhad, Iran. He joined the group in Spring 2013 and has his BS and MS in Mechanical Engineering from Ferdowsi University of Mashhad. His research is 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 and electrical properties.


Eric Jensen (MS), Email: ejensen6@uwyo.edu
Eric is from Douglas, WY and has a B.S. in Mechanical Engineering from the University of Wyoming. His current research focus is on the creep and fatigue behavior of fiber reinforced polymers. He is extending a physics-based fatigue model to also predict creep behavior of composite laminates. In conjunction with this effort he is developing 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. He is currently considered the experimentalist of the group, but is actually pursuing a balanced approach of experiments and modeling.

Kedar Malusare (MS), Email: kmalusar@uwyo.edu
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. He is investigating the relationship between strain energy and volume average constituent stresses. His research focuses on developing computer simulations to study the variation of interaction energy (which arises due to stress inhomogeneity in the composite) for a variety of different fiber configurations, load states, and constituent properties. Better understanding of interaction energy will be used to augment the existing failure theories that use volume average quantities to better predict failure.



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