World's Best Scientists 2026 revealed!

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
39
Citations
5965
World Ranking
2133
National Ranking
785

Geoffrey Spedding publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Geoffrey Spedding sits on this spectrum.

47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47 publications 659+

This scientist: 150 publications — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

Geoffrey Spedding D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Geoffrey Spedding sits on this spectrum.

30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 39 D-Index — 40th percentile

40% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

Research.com Recognitions

  • 2010 - Fellow of American Physical Society (APS) Citation For contributions to our understanding of unsteady animal flight and stratified turbulence, obtained using innovative diagnostic techniques

Overview

Geoffrey Spedding is affiliated with the University of Southern California in the United States and contributes primarily to the field of Engineering. Their research focuses extensively on computational mechanics and aerospace engineering, with additional work in mechanical and environmental engineering as well as ecology.

The scientist's work is centered around topics including fluid dynamics and turbulent flows, fluid dynamics and vibration analysis, aerodynamics and acoustics in jet flows, biomimetic flight and propulsion mechanisms, aerodynamics and fluid dynamics research, aeroelasticity and vibration control, and wind and air flow studies.

Frequent publication venues for their research include:

  • Journal of Fluid Mechanics
  • Physical Review Fluids
  • arXiv (Cornell University)
  • Physics of Fluids
  • Journal of Composite Materials

Geoffrey Spedding has collaborated repeatedly with several coauthors such as Bjoern F. Klose, Gustaaf B. Jacobs, Chan-Ye Ohh, Vamsi Krishna Chinta, and Mitul Luhar, demonstrating ongoing research partnerships across multiple studies.

Notable recent papers authored or coauthored by Spedding include:

  • Flow transitions on a cambered airfoil at moderate Reynolds number, published in 2021 in Physics of Fluids
  • Laboratory and numerical experiments on the near wake of a sphere in a stably stratified ambient, published in 2021 in Journal of Fluid Mechanics
  • Direct numerical simulation of cambered airfoil aerodynamics at Re = 20,000, published in 2021 in arXiv (Cornell University)
  • Wake identification of stratified flows using dynamic mode decomposition, published in 2022 in Physical Review Fluids
  • Application of electrolaminates for the development of biomimetic morphing unmanned aerial vehicles, published in 2023 in Journal of Composite Materials

In 2010, Geoffrey Spedding was recognized as a Fellow of the American Physical Society (APS) for contributions to the understanding of unsteady animal flight and stratified turbulence through innovative diagnostic techniques.

Best Publications

  • Low cost, high resolution DPIV for measurement of turbulent fluid flow

    A. M. Fincham;G. R. Spedding

  • Leading-edge vortex improves lift in slow-flying bats.

    F. T. Muijres;L. C. Johansson;R. Barfield;M. Wolf

  • A family of vortex wakes generated by a thrush nightingale in free flight in a wind tunnel over its entire natural range of flight speeds

    G R Spedding;Mikael Rosén;Anders Hedenström

  • Bat Flight Generates Complex Aerodynamic Tracks

    A. Hedenström;L. C. Johansson;M. Wolf;R. von Busse

  • Momentum and energy in the wake of a pigeon (Columba livia) in slow flight

    GR Spedding;Jmv Rayner;Colin J Pennycuick

  • The evolution of initially turbulent bluff-body wakes at high internal Froude number

    G. R. Spedding

  • The generation of circulation and lift in a rigid two-dimensional fling

    G. R. Spedding;T. Maxworthy

  • The Wake of a Kestrel (Falco Tinnunculus) in Flapping Flight

    G. R. Spedding

  • Turbulence, similarity scaling and vortex geometry in the wake of a towed sphere in a stably stratified fluid

    G. R. Spedding;F. K. Browand;A. M. Fincham

  • Energy dissipation and vortex structure in freely decaying, stratified grid turbulence

    A.M. Fincham;T. Maxworthy;G.R. Spedding

  • The Aerodynamics of Flight

    G. R. Spedding

  • Measurement of laminar flame speeds through digital particle image velocimetry: Mixtures of methane and ethane with hydrogen, oxygen, nitrogen, and helium

    Yufei Dong;Christina M. Vagelopoulos;Geoffrey R. Spedding;Fokion N. Egolfopoulos

  • Span Efficiencies of Wings at Low Reynolds Numbers

    G. R. Spedding;J. McArthur

  • The wake of a jackdaw (Corvus monedula) in slow flight

    G. R. Spedding

  • The Wake of a Kestrel (<i>Falco Tinnunculus</i>) in Flapping Flight

    Unknown

  • Bird or bat: comparing airframe design and flight performance

    Anders Hedenström;L Christoffer Johansson;Geoffrey R Spedding

  • Vortex wake and flight kinematics of a swift in cruising flight in a wind tunnel

    Per Henningsson;Geoff Spedding;Anders Hedenström

  • Performance analysis and application of grid interpolation techniques for fluid flows

    G. R. Spedding;E. J. M. Rignot

  • Similarity scaling and vorticity structure in high-Reynolds-number stably stratified turbulent wakes

    Peter J. Diamessis;Geoffrey R. Spedding;J. Andrzej Domaradzki

  • Stratified propelled wakes

    Patrice Meunier;Geoffrey R. Spedding

  • Technical aspects of microscale flight systems

    G. R. Spedding;P. B. S. Lissaman

  • Vortex wakes generated by robins Erithacus rubecula during free flight in a wind tunnel.

    Anders Hedenström;Mikael Rosén;G R Spedding

Frequent Co-Authors

Anders Hedenström
Anders Hedenström Lund University
Josua P. Meyer
Josua P. Meyer Stellenbosch University
Tony Maxworthy
Tony Maxworthy University of Southern California
Kevin P. Chen
Kevin P. Chen University of Pittsburgh
Panayiotis Diplas
Panayiotis Diplas Lehigh University
Richard H. Rand
Richard H. Rand Cornell University
J. Andrzej Domaradzki
J. Andrzej Domaradzki University of Southern California

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