World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
61
Citations
17974
World Ranking
2003
National Ranking
130

Roland W. Lewis publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Roland W. Lewis sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 276 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Roland W. Lewis D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Roland W. Lewis sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 61 D-Index — 80th percentile

80% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

Roland W. Lewis is affiliated with Swansea University in the United Kingdom and specializes in the field of engineering. Their research broadly encompasses topics related to nanofluid flow, heat transfer mechanisms, and fluid dynamics. The main fields of study for Lewis include engineering with a focus on biomedical engineering, computational mechanics, mechanical engineering, and fluid flow and transfer processes.

Their scholarly contributions feature a diverse range of subjects including nanofluid flow and heat transfer, heat transfer and optimization, and fluid dynamics and turbulent flows. Other topics prominently addressed in their work are rheology and fluid dynamics studies, fluid dynamics and vibration analysis, and heat and mass transfer in porous media.

Lewis's recent publications include:

  • Entropy and convection effect on magnetized hybrid nano-liquid flow inside a trapezoidal cavity with zigzagged wall, 2021, International Communications in Heat and Mass Transfer
  • Hydromagnetic flow of magnetite-water nanofluid utilizing adapted Buongiorno model, 2023, International Journal of Modern Physics B
  • Editorial: Professor Kannahalli Narasimha Shastri Seetharamu - a tribute to an outstanding computational heat transfer expert, 2022, International Journal of Numerical Methods for Heat & Fluid Flow
  • Peer support and what you can learn from others, 2025, Nursing Standard

Frequent co-authors collaborating with Lewis include Fateh Mebarek-Oudina, Fares Redouane, Aissa Abderrahmane, Nidal H. Abu-Hamdeh, and Preeti Prashar. Their research has been published across several venues such as International Communications in Heat and Mass Transfer, International Journal of Modern Physics B, International Journal of Numerical Methods for Heat & Fluid Flow, and Nursing Standard.

Best Publications

  • Associated and non-associated visco-plasticity and plasticity in soil mechanics

    O. C. Zienkiewicz;C. Humpheson;R. W. Lewis

  • The Finite Element Method in the Static and Dynamic Deformation and Consolidation of Porous Media

    R. W. Lewis;B.A. Schrefler

  • Fundamentals of the Finite Element Method for Heat and Fluid Flow

    R. W. Lewis;Perumal Nithiarasu;K. N. Seetharamu

  • Finite element solution of non‐linear heat conduction problems with special reference to phase change

    G. Comini;S. Del Guidice;R. W. Lewis;O. C. Zienkiewicz

  • The Finite Element Method in Heat Transfer Analysis

    R. W. Lewis

  • Fundamentals of the Finite Element Method for Heat and Fluid Flow: Lewis/Finite Element Method for Heat and Fluid Flow

    Roland W. Lewis;Perumal Nithiarasu;Kankanhalli N. Seetharamu

  • The Finite Element Method in the Deformation and Consolidation of Porous Media

    R. W. Lewis;B. A. Schrefler

  • An improved algrorithm for heat conduction problems with phase change

    K. Morgan;R. W. Lewis;O. C. Zienkiewicz

  • Finite element simulation of metal casting

    R. W. Lewis;K. Ravindran

  • A variational formulation based contact algorithm for rigid boundaries in two-dimensional SPH applications

    Sivakumar Kulasegaram;Javier Bonet;R. W. Lewis;M. Profit

  • Fundamentals of the Finite Element Method for Heat and Mass Transfer

    Perumal Nithiarasu;Kankanhalli N Seetharamu;Roland W Lewis

  • Finite element modelling of three‐phase flow in deforming saturated oil reservoirs

    R. W. Lewis;Y. Sukirman

  • A comparison of time marching schemes for the transient heat conduction equation

    W. L. Wood;R. W. Lewis

  • Numerical methods in heat transfer

    R.W. Lewis;K. Morgan;B.A. Schrefler

  • A fully coupled consolidation model of the subsidence of Venice

    R. W. Lewis;B. Schrefler

  • An improved unsteady, unstructured, artificial compressibility, finite volume scheme for viscous incompressible flows: Part I. Theory and implementation

    A. G. Malan;R. W. Lewis;P. Nithiarasu

  • The Role of Geomechanics in Reservoir Simulation

    M. Gutierrex;R.W. Lewis

  • The Finite Element Method

    Roland W. Lewis;Perumal Nithiarasu;Kankanhalli N. Seetharamu

  • A numerical solution of two-dimensional problems involving heat and mass transfer

    G. Comini;R.W. Lewis

  • Convection Heat Transfer

    Roland W. Lewis;Perumal Nithiarasu;Kankanhalli N. Seetharamu

  • Numerical methods in offshore engineering

    O. C. Zienkiewicz;R. W. Lewis;K. G. Stagg

Frequent Co-Authors

Perumal Nithiarasu
Perumal Nithiarasu Swansea University
Kenneth Morgan
Kenneth Morgan Swansea University
Kankanhalli N. Seetharamu
Kankanhalli N. Seetharamu Universiti Sains Malaysia
Bernhard A. Schrefler
Bernhard A. Schrefler University of Padua
Amir R. Khoei
Amir R. Khoei Sharif University of Technology
Xin-She Yang
Xin-She Yang Middlesex University
Javier Bonet
Javier Bonet International Center for Numerical Methods in Engineering
Asif Usmani
Asif Usmani Hong Kong Polytechnic University
O.C. Zienkiewicz
O.C. Zienkiewicz Swansea University
Marte Gutierrez
Marte Gutierrez Colorado School of Mines

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