Peer-Reviewed Journal Articles
Kousemaker, T.M., A.I. Vakis, F. Picchioni & P. Druetta, Numerical Investigation of non-Newtonian fluids in single screw extruders - Part II: time-dependent studies, Chemical Engineering Research and Design, 2025
Qi, Y., A.I. Vakis & D. Loukidis, Modeling cyclic volumetric strain accumulation in sand under drained simple shear conditions, Journal of Geotechnical and Geoenvironmental Engineering, 2025
Asiikkis, A.T., V. Raghavan, D.G.E. Grigoriadis, A.V. Metrikine, G. Lavidas & A.I. Vakis, Experimental validation of time domain simulations with HAMS-MREL and comparative analysis of linear and weakly nonlinear models for dense WEC arrays, Ocean Engineering, 2025, 341(122553)
Kousemaker, T.M., A.I. Vakis, F. Picchioni & P.D. Druetta, Numerical Investigation of non-Newtonian fluids in single screw extruders - Part I: steady-state studies, Chemical Engineering Research and Design, 2025, 218
Kousemaker, T.M., P. Druetta, F. Picchioni & A.I. Vakis, Numerical modelling of mass transfer and the plasticization effect of supecritical CO2 on polypropelene during extrusion, International Journal of Thermofluids, 2025, 101087
Almuzakki, M.Z., B. Jayawardhana, A. Tanwani & A.I. Vakis, Exponential Stabilization of Linear Systems using Nearest-Action Control with Countable Input Set, System Control Letters, 2025, 196
Bernal-Camacho, D.F., E. Mendoza, J.V.H. Fontes, C. Echeverria & A.I. Vakis, Experiments in an enclosed Wave–Wind Flume environment to study the dynamics of a small-scale Floating Offshore Wind Turbine, Journal of Ocean Engineering and Marine Energy, 2024, 10
Asiikkis, A.T., D.G.E. Grigoriadis & A.I. Vakis, Wave-to-Wire Modelling and Hydraulic PTO Optimization of a Dense Point Absorber WEC Array, Renewable Energy, 2024, 121620
Kousemaker, T.M., P. Druetta, F. Picchioni & A.I. Vakis, Modelling Supercritical CO2 Flow in a Co-rotating Twin Screw Extruder Using the Level Set Method, Chemical Engineering Research and Design, 2024, 205
Bechlenberg, A., E. Luning, M.B. Saltik, N.B. Szirbik, B. Jayawardhana & A.I. Vakis, Renewable Energy System Sizing with Power Generation and Storage functions accounting for its Optimized Activity on Multiple Electricity Markets, Applied Energy, 2024, 360(122742)
Gao, Q., A. Bechlenberg, A.I. Vakis, N. Ertugrul, B. Jayawardhana & B. Ding, Techno-Economic Assessment of Offshore Wind and Hybrid Wind-Wave Farms with Energy Storage Systems, Renewable and Sustainable Energy Reviews, 2024, 192(114263)
Nienhuis, R.M., M. van Rooij, W.A. Prins, B. Jayawardhana & A.I. Vakis, Investigating the Efficiency of a Novel Offshore Pumped Hydro Energy Storage System: Experimental Study on a Scale Prototype, Journal of Energy Storage, 2023, 74(Part A)
Saincher, S., V. Sriram, R. Ravindar, S. Yan, D. Stagonas, Z. Xie, M. Benoit, W. Benguigui, M. Teles, F. Robaux, C. Peyrard, A.T. Asiikkis, C. Frantzis, A.I. Vakis, D.G.E. Grigoriadis, Q. Li, Q. Ma, N. Zhang, K. Zheng, X. Zhao, X. Hu, S. Chen, S. Chen, Q. Meng & D. Wan, Comparative study on breaking waves interactions with vertical wall attached with recurved parapet in small and large scale, International Journal of Offshore and Polar Engineering, 2023, 33(2)
Bechlenberg, A., Y. Wei, B. Jayawardhana & A.I. Vakis, Analysing the influence of power take-off adaptability on the power extraction of dense wave energy converter arrays, Renewable Energy, 2023, 211
Schmerbauch, A.E.M., A.O. Krushynska, A.I. Vakis & B. Jayawardhana, Modular kirigami arrays for distributed actuation systems in adaptive optics, Physical Review Applied, 2022, 17(044012)
Schmerbauch, A.E.M., A.I. Vakis & B. Jayawardhana, Electrical coupling analysis of 2D time-multiplexing memory actuators exhibiting asymmetric butterfly hysteresis, Journal of Applied Physics, 2021, 130(134502)
Wei, Y., A. Bechlenberg, B. Jayawardhana & A.I. Vakis, Modeling of a wave energy converter array with nonlinear power take-off using a mixed time-domain/frequency-domain method, IET Renewable Power Generation, 2021, 1-12
Kousemaker, T.M., G.H. Jonker & A.I. Vakis, LCA practices of plastics and their recycling: A critical review, Applied Sciences, 2021, 11(8), 3305
Michele, S., F. Buriani, E. Renzi, M. van Rooij, B. Jayawardhana & A.I. Vakis, Wave extraction from flexible floaters, Energies, 2020, 13(23)
Schmerbauch, A.E.M., M.A. Vasquez Beltran, A.I. Vakis, B. Jayawardhana & R. Huisman, Influence functions for a high pixel number hysteretic deformable mirror concept, Applied Optics, 2020, 59(27)
Groen, M., S. Solhjoo, R. Voncken, J. Post & A.I. Vakis, A standard method for material descriptions in FEM, Advances in Computer Software, 2020, 148
Li, J., B. Sundman, J. Winkelman, A.I. Vakis & F. Picchioni, Implementation of the UNIQUAC model in the OpenCalphad software, Fluid Phase Equilibria, 2020, 507
Solhjoo, S., P.J. Halbertsma, M. Veldhuis, R. Toljaga, Y.T. Pei & A.I. Vakis, Effects of loading conditions on free surface roughening of AISI 420 martensitic stainless steel, Journal of Materials Processing Technology, 2020, 275
Solhjoo, S., M.H. Müser & A.I. Vakis, Nanocontacts and Gaussian filters: Insights into the idea of filtering contact stress fields for removing the effects of surface roughness at the atomic scale, Tribology Letters, 2019, 67:94
Wei, Y., A. Bechlenberg, M. van Rooij, B. Jayawardhana & A.I. Vakis, Modelling of a wave energy converter array with nonlinear power take-off system in the frequency domain, Applied Ocean Research, 2019, 90
Mokkaber, T., Q. Zhou, A.I. Vakis, P. van Rijn & Y.T. Pei, Mechanical and biological properties of electrodeposited calcium phosphate coatings, Materials Science and Engineering: C, 2019, 100
Wei, Y., J.J. Barradas-Berglind, Z. Yu, M. van Rooij, W.A. Prins, B. Jayawardhana & A.I. Vakis, Frequency-Domain Hydrodynamic Modelling of Dense and Sparse Arrays of Wave Energy Converters, Renewable Energy, 2019, 135
Barradas-Berglind, J.J., H.T. Dijkstra, Y. Wei, M. van Rooij, H. Meijer, W.A. Prins, A.I. Vakis & B. Jayawardhana, Revenue maximization and storage utilization for the Ocean Grazer wave energy converter: a Sensitivity Analysis, IET Renewable Power Generation, 2018, 12(11)
Vakis, A.I., V.A. Yastrebov, J. Scheibert, L. Nicola, D. Dini, C. Minfray, A. Almqvist, M. Paggi, S. Lee, G. Limbert, J.F. Molinari, G. Anciaux, S. Echeverri Restrepo, A. Papangelo, A. Cammarata, P. Nicolini, R. Aghababei, C. Putignano, S. Stupkiewicz, J. Lengiewicz, G. Costagliola, F. Bosia, R. Guarino, N.M. Pugno, G. Carbone, M.H. Müser & M. Ciavarella, Modeling and Simulation in Tribology Across Scales: an Overview, Tribology International, 2018, 123
Mokkaber, T., L.Q. Lu, P. van Rijn, A.I. Vakis & Y.T. Pei, Crystal growth mechanism of calcium phosphate coatings on titanium by electrochemical deposition, Surface and Coatings Technology, 2018, 334
Müser, M.H., W.B. Dapp, R. Bugnicourt, P. Sainsot, N. Lesaffre, T.A. Lubrecht, B.N.J. Persson, K. Harris, A. Bennett, K. Schulze, S. Rohde, P. Ifju, W.G. Sawyer, T. Angelini, H. Ashtari Esfahani, M. Kadkhodaei, S. Akbarzadeh, J.-J. Wu, G. Vorlaufer, A. Vernes, S. Solhjoo, A.I. Vakis, R.L. Jackson, Y. Xu, J. Streator, A. Rostami, D. Dini, S. Medina, G. Carbone, F. Bottiglione, L. Afferrante, J. Monti, L. Pastewka, M.O. Robbins & J.A. Greenwood, Meeting the Contact-Mechanics Challenge, Tribology Letters, 2017, 65(4)
Song, H., A.I. Vakis, X. Liu & E. van der Giessen, Statistical model of rough surface contact accounting for size dependent plasticity and asperity interaction, Journal of the Mechanics and Physics of Solids, 2017, 106
Solhjoo, S. & A.I. Vakis, Surface roughness of gold substrates at the nanoscale: an atomistic simulation study, Tribology International, 2017, 115
Wei, Y., J.J. Barradas-Berglind, M. van Rooij, W.A. Prins, B. Jayawardhana & A.I. Vakis, Investigating the Adaptability of the Multi-Pump Multi-Piston Power Take-Off System for a Novel Wave Energy Converter, Renewable Energy, 2017, 111
Solhjoo, S., A.I. Vakis & Y.T. Pei, Two phenomenological models to predict the single peak flow stress curves up to the peak during hot deformation, Mechanics of Materials, 2016, 105
Solhjoo, S. & A.I. Vakis, Continuum mechanics at the atomic scale: Insights into non-adhesive contacts using molecular dynamics simulations, Journal of Applied Physics, 2016, 120(21)
Vakis, A.I. & J.S. Anagnostopoulos, Mechanical design and modeling of a single-piston pump for the novel power take-off system of a wave energy converter, Renewable Energy, 2016, 96(Part A)
Solhjoo, S. & A.I. Vakis, Definition and detection of contact in atomistic simulations, Computational Materials Science, 2015, 109
Solhjoo, S. & A.I. Vakis, Single asperity nanocontacts: comparison between molecular dynamics simulations and continuum mechanics models, Computational Materials Science, 2015, 99
Chowdhury, S., A.I. Vakis & A.A. Polycarpou, Optimization of molecularly thin lubricant to improve bearing capacity at the head-disk interface, Microsystem Technologies, 2015, 21(7)
Vakis, A.I., Asperity interaction and substrate deformation in statistical summation models of contact between rough surfaces, Journal of Applied Mechanics, 2014, 81(4) & Song, H., E. van der Giessen & A.I. Vakis, Erratum: Asperity Interaction and Substrate Deformation in Statistical Summation Models of Contact Between Rough Surfaces [Journal of Applied Mechanics, 2014, 81(4), pp. 041012], Journal of Applied Mechanics, 2016, 83(8)
Vakis, A.I. & A.A. Polycarpou, An advanced rough surface continuum-based contact and sliding model in the presence of molecularly thin lubricant, Tribology Letters, 2013, 49(1)
Vakis, A.I. & A.A. Polycarpou, Passive vibration absorption for extremely high density recording, IEEE Transactions on Magnetics, 2012, 48(11)
Vakis, A.I., C.N. Hadjicostis & A.A. Polycarpou, Three-DOF dynamic model with lubricant contact for thermal fly-height control nanotechnology, Journal of Physics D: Applied Physics, 2012, 45(13)
Vakis, A.I. & A.A. Polycarpou, Modeling sliding contact of rough surfaces with molecularly thin lubricants, Tribology Letters, 2012, 45(1)
Vakis, A.I., M. Eriten & A.A. Polycarpou, Modeling bearing and shear forces in molecularly thin lubricants, Tribology Letters, 2011, 41(3)
Vakis, A.I. & A.A. Polycarpou, Head-disk interface nanotribology for Tbit/in2recording densities: near-contact and contact recording, Journal of Physics D: Applied Physics, 2010, 43(22)
Vakis, A.I. & A.A. Polycarpou, Optimization of thermal fly-height control slider geometry for Tbit/in2 recording, Microsystem Technologies, 2010, 16(6)
Vakis, A.I., S.-C. Lee & A.A. Polycarpou, Dynamic head-disk interface instabilities with friction for light contact (surfing) recording, IEEE Transactions on Magnetics, 2009, 45(11)
Spagna, J.C., A.I. Vakis, C.A. Schmidt, S.N. Patek, X. Zhang, N.D. Tsutsui & A.V. Suarez, Phylogeny, scaling, and the generation of extreme forces in trap-jaw ants, Journal of Experimental Biology, 2008, 211(14)