World's Best Scientists 2026 revealed!

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
45
Citations
20027
World Ranking
1491
National Ranking
583

Andy Ruina 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 Andy Ruina 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: 97 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

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

Andy Ruina 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 Andy Ruina 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: 45 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Overview

Andy Ruina is a researcher affiliated with Cornell University in the United States, specializing in the field of Engineering. Their scholarly contributions primarily encompass several subfields, including Biomedical Engineering, Equine studies, Orthopedics and Sports Medicine, Aerospace Engineering, and Computational Mechanics.

The research topics covered by Andy Ruina span diverse areas such as Veterinary Equine Medical Research, Sports Performance and Training, Mechanics and Biomechanics Studies, Biomimetic Flight and Propulsion Mechanisms, Fluid Dynamics and Turbulent Flows, Model Reduction and Neural Networks, and Modular Robots and Swarm Intelligence.

Their publication record includes recent papers with the following details:

  • Full Flight Envelope and Trim Map of Flapping-Wing Micro Aerial Vehicles, 2020, Journal of Guidance Control and Dynamics
  • Construction and Excavation by Collaborative Double-Tailed SAW Robots, 2022, IEEE Robotics and Automation Letters
  • Standing horse posture: a longer stance is more stable, 2022, Biology Open
  • A longer stance is more stable for a standing horse, 2021, bioRxiv (Cold Spring Harbor Laboratory)
  • Descriptive Model-based Learning and Control for Bipedal Locomotion, 2025, arXiv (Cornell University)

Frequent collaborators in their work include:

  • Karen Gellman
  • Taylor S. Clawson
  • Silvio Ferrari
  • E. Farrell Helbling
  • Robert J. Wood

Andy Ruina's research findings have been published in multiple venues, illustrating a range of investigative contexts. These include:

  • Journal of Guidance Control and Dynamics
  • IEEE Robotics and Automation Letters
  • Biology Open
  • bioRxiv (Cold Spring Harbor Laboratory)
  • arXiv (Cornell University)

Best Publications

  • Slip instability and state variable friction laws

    Andy Ruina

  • Efficient bipedal robots based on passive-dynamic walkers.

    Steve Collins;Andy Ruina;Russ Tedrake;Martijn Wisse

  • The simplest walking model: stability, complexity, and scaling.

    Mariano Garcia;Anindya Chatterjee;Andy Ruina;Michael Coleman

  • Stability of Steady Frictional Slipping

    J. R. Rice;A. L. Ruina

  • A Three-Dimensional Passive-Dynamic Walking Robot with Two Legs and Knees

    Steven H. Collins;Martijn Wisse;Andy Ruina

  • Energetic consequences of walking like an inverted pendulum: step-to-step transitions.

    Arthur D Kuo;J Maxwell Donelan;Andy Ruina

  • Computer optimization of a minimal biped model discovers walking and running.

    Manoj Srinivasan;Andy Ruina

  • Slip motion and stability of a single degree of freedom elastic system with rate and state dependent friction

    Ji-Cheng Gu;James R. Rice;Andy L. Ruina;Simon T. Tse

  • A Bipedal Walking Robot with Efficient and Human-Like Gait

    S.H. Collins;A. Ruina

  • Linearized dynamics equations for the balance and steer of a bicycle: a benchmark and review

    J P Meijaard;J M Papadopoulos;A Ruina;A L Schwab

  • Multiple walking speed-frequency relations are predicted by constrained optimization.

    John E.A. Bertram;Andy Ruina

  • A collisional model of the energetic cost of support work qualitatively explains leg sequencing in walking and galloping, pseudo-elastic leg behavior in running and the walk-to-run transition

    Andy Ruina;John E.A. Bertram;Manoj Srinivasan

  • Planar sliding with dry friction Part 1. Limit surface and moment function

    Suresh Goyal;Andy Ruina;Jim Papadopoulos

  • Efficiency, speed, and scaling of two-dimensional passive-dynamic walking

    Mariano Garcia;Anindya Chatterjee;Andy Ruina

  • A Bicycle Can Be Self-Stable Without Gyroscopic or Caster Effects

    J.D.G. Kooijman;Jacob Philippus Meijaard;J.M. Papadopoulos;A. Ruina

  • Low-bandwidth reflex-based control for lower power walking: 65 km on a single battery charge

    Pranav A. Bhounsule;Jason Cortell;Anoop Grewal;Bram Hendriksen

  • A New Algebraic Rigid-Body Collision Law Based on Impulse Space Considerations

    A. Chatterjee;A. Ruina

  • An Uncontrolled Walking Toy That Cannot Stand Still

    Michael J. Coleman;Andy Ruina

  • Motions of a Rimless Spoked Wheel: a Simple 3D System with Impacts

    Michael J. Coleman;Anindya Chatterjee;Andy Ruina

  • A Helping Hand: Soft Orthosis with Integrated Optical Strain Sensors and EMG Control

    Huichan Zhao;Jonathan Jalving;Rukang Huang;Ross Knepper

Frequent Co-Authors

Chung-Yuen Hui
Chung-Yuen Hui Cornell University
James R. Rice
James R. Rice Harvard University
Anand Jagota
Anand Jagota Lehigh University
Arthur D. Kuo
Arthur D. Kuo University of Calgary
Rong Long
Rong Long University of Colorado Boulder
Roderic S. Lakes
Roderic S. Lakes University of Wisconsin–Madison
Silvia Ferrari
Silvia Ferrari Cornell University

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