Ray Fertig

Mechanical Engineering

Department Head, Professor

Professional Photo of Ray Fertig
 

Education

Ph.D. in Materials Science, Cornell University, 2010

M.S. in Materials Science, Cornell University, 2005

M.S. in Mechanical Engineering, University of Wyoming, 2003

B.S. in Mechanical Engineering and Mathematics, University of Wyoming, 2001

 

Professional Liscensure

Professional Engineer (PE), Wyoming, License PE 18144

 

Professional Experience

Department Head, 2024-current, Mechanical Engineering, University of Wyoming, Laramie, WY

Interim Department Head, 2023, Mechanical Engineering, University of Wyoming, Laramie, WY

Professor, 2023-current, Mechanical Engineering, University of Wyoming, Laramie, WY

Associate Professor, 2017-2023, Mechanical Engineering, University of Wyoming, Laramie, WY

Assistant Professor, 2011-2017, Mechanical Engineering, University of Wyoming, Laramie, WY

Senior Applied Research Engineer, 2008-2011, Firehole Composites, Laramie, WY

Computational Science Intern, 2007, Lawrence Livermore National Laboratory, Livermore, CA

Visiting Scientist, November 2005, Max Planck Institut fur Metallforshung, Stuttgart, Germany

Graduate Research Assistant, 2003-2008, Materials Science, Cornell University, Ithaca, NY

Graduate Research Assistant, 2002-2003, Mechanical Engineering, University of Wyoming, Laramie, WY

 

Research Interests

Dislocation dynamics simulations, multiscale constitutive modeling, physics-based modeling of composite fatigue and failure, failure and durability of ceramics and ceramic matrix composites.

 

Honors and Awards

2022-2023 - University of Wyoming Presidential Faculty Fellow

2022 - University of Wyoming Distinguished Graduate Faculty Mentor Award

2021 - Dolling and Scott Mechanical Engineering Faculty Award for Excellence in Teaching

2019-2020 - Snaptron Professor of Innovation and Entrepreneurship

 

Selected Publications

Madenci, E., A. Barut, A. Yaghoobi, N. Phan, and R. S. Fertig III (2021) Combined Peridynamics and Kinetic Theory of Fracture for Fatigue Failure of Composites Under Constant and Variable Amplitude Loading, Theoretical and Applied Fracture Mechanics, 112:102824.

 

Hankins, S. N. and R. S. Fertig III (2021) Methodology for Optimizing Composite Design via Biological Pattern Generation Mechanisms, Materials and Design, 197:109208.

 

Bhuiyan, F. H., S. H. R. Sanei, and R. S. Fertig III (2020) Predicting Variability in Transverse Effective Elastic Moduli and Failure Initiation Strengths in UD Composite Microstructures Due to Randomness in Fiber Location and Morphology, Composite Structures, 237:111887.

 

Anderson, E. M., F. H. Bhuiyan, D. J. Mavriplis, and R. S. Fertig III (2019) Adjoint-Based High-Fidelity Aeroelastic Optimization of Wind Turbine Blade for Load Stress Minimization, AIAA Journal, 57(9):4057-4070.

 

Elwardany, M., G. King, J. P. Planche, C. Rodenzo, D. Christensen, R. S. Fertig III, K. Kuhn, and F. H. Bhuiyan (2019) Internal Restraint Mechanism for Age-Induced Pavement Surface Damage: Block Cracking and Raveling, Journal of the Association of Asphalt Paving Technologists, 88

 

Brinckmann, S., N. Patra, J. Yao, T. H. Ware, C. P. Frick, and R. S. Fertig III (2018) Stereolithography of SiOC polmer-derived ceramics filled with SiC micronwhiskers, Advanced Engineering Materials, 20(11):1800593.

 

Bhuiyan, F. H. and R. S. Fertig III (2018) Predicting matrix damage and delamination fatigue in fiber-reinforced polymer composites using kinetic theory of fracture, International Journal of Fatigue, 117:327-339.

 

Morrison, A. C., M. R. Garnich, and R. S. Fertig III (2017) Reliability analysis of a woven composite pi-joint structure, Journal of Composite Materials, 51(29):4101-4114.

 

Sanei, S. H. R., E. J. Barsotti, D. A. Leonhardt, and R. S. Fertig III (2017) Characterization, sythnetic generation, and statistical equivalence of composite microstructures, Journal of Composite Materials51(13):1817-1829.

 

Jensen, E. M. and R. S. Fertig III (2016) Physics-based Multiscale Creep Strain and Creep Rupture Modeling for Composite Materials, AIAA Journal, 54(2):703-711.

 

Sanei, S. H. R. and R. S. Fertig III (2016), Length-scale dependence of variability in epoxy modulus extracted from composite prepreg, Polymer Testing, 50:297-300.

 

Fertig III, R. S. and S. Nickerson (2015), Towards prediction of thermally induced microcrack initiation and closure in porous ceramics, Journal of the American Ceramic Society, 99(2):581-588.

 

Sanei, S. H. R., and R. S. Fertig III (2015) Uncorrelated Volume Element for Stochastic Modeling of Microstructures Based on local fiber volume fraction variation, Composites Science and Technology 117:191-198.

 

Frensemeier, M., J. S. Kaiser, C. P. Frick, A. S. Schneider, E. Artzt, R. S. Fertig III, and E. Kroner (2015) A novel approach towards temperature-induced switchable adhesion using nickel-titanium-polydimethylsiloxane hybrid surface, Advanced Functional Materials 25(20):3013-3021.

 

Jensen, E. M., D. A. Leonhardt, and R. S. Fertig III (2015), Effects of Thickness and Fiber Volume Variations on Composite Strain Field Homogeneity, Composites Part A: Applied Science and Manufacturing, 69:178-185.

 

Hoyt, A. J., C. M. Yakacki, R. S. Fertig III, R. D. Carpenter, and C. P. Frick (2015), Monotonic and cyclic loading behavior of porous scaffolds made from poly(para-phenylene) for orthopedic applications, accepted for publication in Journal of the Mechanical Behavior of Biomedical Materials, 41:136-148.

 

Malusare, K. A. and R. S. Fertig III. (2014), On composite interaction energy and constituent average stresses to predict composite failure, AIAA Journal, 52(11): 2455-2461.

Fertig III, R. S. and S. P. Baker (2012) Capture cross-section of threading dislocations in thin films. Materials Science and Engineering A, 551: 67-72.

 

Fertig III, R. S. and S. P. Baker (2011) Threading dislocation interactions in an inhomogeneous stress field: A statistical model, Scripta Materialia, 65(5): 384-387.

Fertig III, R. S. and D. J. Kenik (2011) “Predicting composite fatigue life using constituent-level physics,” Proceedings of the 52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Denver, CO, April 4-7, 2011. AIAA 2011-2477.

 

Fertig III, R. S. and S. P. Baker (2010) Dislocation dynamics simulations of dislocation interactions and stresses in thin films.Acta Materialia 58(15): 5206-5218.

 

Fertig III, R. S. (2010) “An accurate and efficient method for constituent-based progressive failure modeling of a woven composite,” Supplemental Proceedings: Volume 2: Materials Characterization, Computation, Modeling, and Energy, Seattle, WA, February 14-18, 2010. TMS, pp. 223-230.

 

Fertig III, R. S. and S. P. Baker (2009) Simulation of dislocations and strength in thin films: A review. Progress in Materials Science, 54(6): 874-908.

 

Fertig III, R. S. (2009) "Bridging the gap between physics and large-scale structural analysis: A novel method for fatigue life prediction of composites," SAMPE Fall Technical Conference Proceedings, Wichita, KS, October 19-22, 2009.

 

Fertig III, R. S. and M. R. Garnich (2004) Influence of constituent properties and microstructural parameters on the tensile modulus of a polymer/clay nanocomposite, Composites Science and Technology, 64(16): 2577-2588.

 

Young, J. C., S. A. Brinckmann, R. S. Fertig III, S. P. Lynch, and C. P. Frick (2024) Influence of layer thickness and exposure on mechanical properties of additively manufactured polymer-derived SiOC ceramics, Open Ceramics, Vol. 19, 100652. https://doi.org/10.1016/j.oceram.2024.100652

 

Young, J. C., S. A. Brinckmann, A. Fox, R. S. Fertig III, S. P. Lynch, and C. P. Frick (2024) On enhancing the manufacturability and conversion of additively manufactured polymer-derived ceramics, Journal of the European Ceramic Society, Vol. 44, No. 14, 116691. https://doi.org/10.1016/j.jeurceramsoc.2024.116691

 

Fox, A., S. Lynch, J. C. Young, C. P. Frick, J. Hankins, K. Kuhn, S. A. Brinckmann, and R. S. Fertig III (2024) Design and Cooling Performance of Additively Manufactured Ceramic Turbine Vanes, Journal of Turbomachinery, Vol. 146, No. 6, 061007. https://doi.org/10.1115/1.4064226

 

Brinckmann, S. A., J. Yao, J. C. Young, R. S. Fertig III, C. P. Frick (2023) Additive manufacturing of SiCNO polymer-derived ceramics via step-growth polymerization, Open Ceramics, Vol. 15, 100414. https://doi.org/10.1016/j.oceram.2023.100414

 

Hankins, S. N. and R. S .Fertig III (2023) Design of Turbulent Flow Heat Exchangers via a Bioinspired Topology Optimization Framework with Physics-Informed Underlying Fields, Structural and Multidisciplinary Optimization, Vol. 66, Issue 7, 157. https://doi.org/10.1007/s00158-023-03615-8

 

Brinckmann, S. A., J. C. Young, R. S. Fertig III, and C. P. Frick (2023) Effect of Print Direction on Mechanical Properties of 3D Printed Polymer-Derived Ceramics and Their Precursors, Materials Letters: X, Vol. 17, 100179. https://doi.org/10.1016/j.mlblux.2022.100179

 

Bhuiyan, F. H. and R. S. Fertig III (2022) A PFA Methodology to Investigate UD Composites in Fatigue Comprising a KTF-based Model for Matrix Damage and Stochastic Fiber Failure Prediction, Composite Structures, Vol. 279, 114724. https://doi.org/10.1016/j.compstruct.2021.114724

 

Scientific and Professional Societies

American Institute of Aeronautics and Astronautics
American Society of Mechanical Engineers