2019

N. Vermaak, G. Michailidis, A. Faure, G. Parry, R. Estevez, F. Jouve, G. Allaire, Y. Brechet, Topological optimization with interfaces, Chapter in: Architectured Materials in Nature and Engineering, Editors: Yuri Estrin, John Dunlop, Peter Fratzl, Yves Brechet, Springer, Chap. 6, 173-193, https://doi.org/10.1007/978-3-030-11942-3_6 (2019).

I.S. Cinoglu, M.R. Begley, J.D. Deaton, P.A. Beran, R.M. McMeeking, N. Vermaak, Elastoplastic design of beam structures subjected to cyclic thermomechanical loads, Thin-Walled Structures, 136, pp. 175-185, https://doi.org/10.1016/j.tws.2018.12.024 (2019).

2018

N. Vermaak, M. Boissier, L. Valdevit, R. M. McMeeking, Some graphical interpretations of Melan’s theorem for shakedown design, Chapter in: Advances in Direct Methods for Materials and Structures, Editors: Olga Barrera, Alan Cocks, Alan R. S. Ponter, Springer, Chap. 11, 179-198, https://doi.org/10.1007/978-3-319-59810-9_11 (2018).

X. Jia, T. Grejtak, B. Krick, N. Vermaak, Experimentally calibrated abrasive sliding wear model: demonstrations for rotary and linear wear systems. Journal of Applied Mechanics 85(12), pp. 121011-121019 https://doi.org/10.1115/1.4041470 (2018).

C. Pan, J. Charles, N. Vermaak, C. Romero, S. Neti, Y. Zheng, C.-H. Chen, and R. Bonner, Experimental, numerical and analytic study of unconstrained melting in a vertical cylinder with a focus on mushy region effects. International Journal of Heat and Mass Transfer 124, pp. 1015-1024 https://doi.org/10.1016/j.ijheatmasstransfer.2018.04.009 (2018).

C. Pan, N. Vermaak, C. Romero, S. Neti, S. Hoenig, C.-H. Chen, and R. Bonner, Cost estimation and sensitivity analysis of a latent thermal energy storage system for supplementary cooling of air cooled condensers. Applied Energy 224, pp. 52-68 https://doi.org/10.1016/j.apenergy.2018.04.080 (2018).

2017

X. Jia, T. Grejtak, B. Krick, N. Vermaak, Design of composite systems for rotary wear applications, Materials & Design, 134, pp. 281-292, https://doi.org/10.1016/j.matdes.2017.08.051 (2017).

C. Pan, S. Hoenig, C.-H. Chen, S. Neti, C. Romero, and N. Vermaak, Efficient modeling of phase change material solidification with multidimensional fins. International Journal of Heat and Mass Transfer 115, pp. 897-909, https://doi.org/10.1016/j.ijheatmasstransfer.2017.07.120 (2017).

C. Pan, N. Vermaak, C. Romero, S. Neti, S. Hoenig, and C.-H. Chen, Efficient optimization of a longitudinal finned heat pipe structure for a latent thermal energy storage system. Energy Conversion and Management, 153, pp.93-105, https://doi.org/10.1016/j.enconman.2017.09.064 (2017).

A. Faure, G. Michailidis, G. Parry, N. Vermaak, R. Estevez, Design of thermoelastic multi-material structures with graded interfaces using topology optimization, Structural and Multidisciplinary Optimization, 56(4), pp. 823-837, https://doi.org/10.1007/s00158-017-1688-2 (2017).

F. Feppon, G. Michailidis, M.S. Sidebottom, G. Allaire, B.A. Krick, and N. Vermaak, Introducing a level-set based shape optimization method for the wear of composite materials, Structural and Multidisciplinary Optimization, 55(2), pp. 547-568, https://doi.org/10.1007/s00158-016-1512-4 (2017).

2016

F. Feppon, M.S. Sidebottom, G. Michailidis, B.A. Krick, and N. Vermaak, Efficient steady-state computation for wear of multimaterial composites, ASME J. of Tribology, 138(3), p.031602, https://doi.org/10.1115/1.4031993 (2016).

M.S. Sidebottom, F. Feppon, N. Vermaak, and B.A. Krick, Modeling wear of multi-material composite wear surfaces, ASME J. of Tribology, 138(4), pp. 041605-041605-7, https://doi.org/10.1115/1.4032823 (2016).

2014

N. Vermaak, G. Michailidis, G. Parry, R. Estevez, G. Allaire, Y. Brechet, Material interface effects on the topology optimization of multi-phase structures using a level set method, Structural and Multidisciplinary Optimization 50 (4), 623-644, https://doi.org/10.1007/s00158-014-1074-2 (2014).

2013

N. Vermaak, A. Mottura, and T.M. Pollock, Cyclic oxidation of high temperature coatings for new gamma-prime-strengthened cobalt-based alloys, Corrosion Science, 75 pp 300-308 https://doi.org/10.1016/j.corsci.2013.06.013 (2013).

N. Vermaak, G. Parry, R. Estevez, Y. Brechet, New insight into crack formation during corrosion of zirconium-based metal-oxide systems, Acta Materialia, 61 (12), pp 4374-4383 https://doi.org/10.1016/j.actamat.2013.04.009 (2013).

M. Begley, F. Zok, N. Vermaak, Failure and debonding of thin circular and square tiles (islands) bonded with a compliant interlayer, Thin Solid Films, 531, pp 332-339, https://doi.org/10.1016/j.tsf.2012.11.136 (2013).

Prior to 2013

A. Shanian, A. S. Milani, N. Vermaak, K. Bertoldi, T. Scarinci, and M. Gerendas, A coupled finite element multiple criteria optimization approach for materials selection of gas turbine components, Journal of Applied Mechanics, 79 pp. 061019-8, https://doi.org/10.1115/1.4006461 (2012).

N. Vermaak, L. Valdevit, A.G. Evans, F.W. Zok, and R.M. McMeeking, Implications of shakedown for design of actively-cooled thermostructural panels, Journal of Mechanics of Materials and Structures, 6 (9-10), pp 1313-1327, https://doi.org/10.2140/jomms.2011.6.1313 (2011).

S.J. Perez-Bergquist, N. Vermaak, and T.M. Pollock, High-temperature performance of actively-cooled vapor phase strengthened nickel-based thermostructural panels, AIAA Journal, 49 (5), pp 1080-1086, https://doi.org/10.2514/1.J050815 (2011).

N. Vermaak, L. Valdevit, and A.G. Evans, Influence of configuration on materials selection for actively-cooled combustors, AIAA Journal of Propulsion and Power, 25 (2), pp 295-302, https://doi.org/10.2514/1.45417 (2010).

N. Vermaak, L. Valdevit, and A.G. Evans, Materials property proles for actively cooled panels: an illustration for scramjet applications, Metallurgical and Materials Transactions A, 40 (4), pp 877-890, https://doi.org/10.1007/s11661-008-9768-y (2009).

L. Valdevit, N. Vermaak, F.W. Zok, and A.G. Evans, A materials selection protocol for lightweight actively cooled panels, Journal of Applied Mechanics, 75 (6), pp 61022-61037, https://doi.org/10.1115/1.2966270 (2008).

A.G. Evans, N.A. Fleck, S. Faulhaber, N. Vermaak, M. Maloney, and R. Darolia, Scaling laws governing the erosion and impact resistance of thermal barrier coatings, WEAR, 260  (7-8), pp 886-894, https://doi.org/10.1016/j.wear.2005.05.005 (2006).