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D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
38
Citations
7369
World Ranking
2227
National Ranking
162

Ronald A. Roy 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 Ronald A. Roy 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: 300 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Ronald A. Roy 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 Ronald A. Roy 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: 38 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Overview

Ronald A. Roy is affiliated with the University of Oxford in the United Kingdom and has contributed to the field of Engineering with a focus on Biomedical Engineering. Their research spans multiple subfields including Materials Chemistry, Oceanography, Environmental Engineering, and Molecular Biology.

Their work primarily addresses areas such as Ultrasound and Cavitation Phenomena, Microfluidic and Bio-sensing Technologies, Ultrasound and Hyperthermia Applications, Photoacoustic and Ultrasonic Imaging, Microbial Fuel Cells and Bioremediation, Bacterial biofilms and quorum sensing, and Underwater Acoustics Research.

Ronald A. Roy's recent papers include the following:

  • The influence of droplet concentration on phase change and inertial cavitation thresholds associated with acoustic droplet vaporization, 2020, The Journal of the Acoustical Society of America
  • Genetic engineering biofilms in situ using ultrasound-mediated DNA delivery, 2021, Microbial Biotechnology
  • A multi-frequency sonochemical reactor utilizing a cylindrically focused acoustic wavefield for improved sonochemical efficiency, 2022, The Journal of the Acoustical Society of America
  • Cavitation noise characterization and classification using machine-learning techniques, 2023, The Journal of the Acoustical Society of America
  • Know when something happens: Some thoughts on Apfel's three laws of cavitation research, 2021, The Journal of the Acoustical Society of America

Frequent co-authors who have collaborated with Ronald A. Roy include:

  • Jason L. Raymond
  • James Kwan
  • Chun Kiat Ng
  • Ian P. Thompson
  • Wei E. Huang

Publications have appeared mostly in:

  • The Journal of the Acoustical Society of America (7 publications)
  • Microbial Biotechnology (1 publication)
  • The ANZIAM Journal (1 publication)

Best Publications

  • Sonoluminescence and bubble dynamics for a single, stable, cavitation bubble

    D. Felipe Gaitan;Lawrence A. Crum;Charles C. Church;Ronald A. Roy

  • Applications of Acoustics and Cavitation to Noninvasive Therapy and Drug Delivery

    Constantin C. Coussios;Ronald A. Roy

  • Role of acoustic cavitation in the delivery and monitoring of cancer treatment by high-intensity focused ultrasound (HIFU)

    C C Coussios;C H Farny;G Ter Haar;R A Roy

  • Measurements of bubble-enhanced heating from focused, MHz-frequency ultrasound in a tissue-mimicking material.

    R.Glynn Holt;Ronald A. Roy

  • Comparison of Multibubble and Single-Bubble Sonoluminescence Spectra

    Thomas J. Matula;Ronald A. Roy;Pierre D. Mourad;William B. McNamara

  • Experimental validation of a tractable numerical model for focused ultrasound heating in flow-through tissue phantoms.

    Jinlan Huang;R. Glynn Holt;Robin O. Cleveland;Ronald A. Roy

  • Cavitational Mechanisms in Ultrasound-Accelerated Fibrinolysis

    Adrian F. Prokop;Azita Soltani;Ronald A. Roy

  • Thresholds for cavitation produced in water by pulsed ultrasound

    A.A. Atchley;L.A. Frizzell;R.E. Apfel;C.K. Holland

  • An acoustic backscattering technique for the detection of transient cavitation produced by microsecond pulses of ultrasound

    Ronald A. Roy;Sameer I. Madanshetty;Robert E. Apfel

  • Physical mechanisms governing the hydrodynamic response of an oscillating ultrasonic file.

    R. A. Roy;M. Ahmad;L. A. Crum

  • Temporal and Spatial Detection of HIFU-Induced Inertial and Hot-Vapor Cavitation with a Diagnostic Ultrasound System

    Caleb H. Farny;R. Glynn Holt;Ronald A. Roy

  • Dynamics of gas bubbles in viscoelastic fluids. I. Linear viscoelasticity

    John S. Allen;Ronald A. Roy

  • Bjerknes force and bubble levitation under single-bubble sonoluminescence conditions

    Thomas J. Matula;Sean M. Cordry;Ronald A. Roy;Lawrence A. Crum

  • The Correlation Between Bubble-Enhanced HIFU Heating and Cavitation Power

    C.H. Farny;R.G. Holt;R.A. Roy

  • The velocity of sound in fluidised beds

    R. Roy;J.F. Davidson;V.G. Tuponogov

  • Acoustic microcavitation: its active and passive acoustic detection.

    Sameer I. Madanshetty;Ronald A. Roy;Robert E. Apfel

  • Acoustic cavitation produced by microsecond pulses of ultrasound: a discussion of some selected results.

    L. A. Crum;R. A. Roy;M. A. Dinno;C. C. Church

  • The acoustic emissions from single-bubble sonoluminescence

    Thomas J. Matula;Ibrahim M. Hallaj;Robin O. Cleveland;Lawrence A. Crum

  • Nucleating cavitation from laser-illuminated nano-particles

    Caleb H. Farny;Tianming Wu;R. Glynn Holt;Todd W. Murray

  • In vitro detection of cavitation induced by a diagnostic ultrasound system

    C.K. Holland;R.A. Roy;R.E. Apfel;L.A. Crum

Frequent Co-Authors

Lawrence A. Crum
Lawrence A. Crum University of Washington
Robin O. Cleveland
Robin O. Cleveland University of Oxford
Constantin C. Coussios
Constantin C. Coussios University of Oxford
Robert E. Apfel
Robert E. Apfel Yale University
Thomas J. Matula
Thomas J. Matula University of Washington
Christy K. Holland
Christy K. Holland University of Cincinnati
Andrea Prosperetti
Andrea Prosperetti University of Houston
Eric L. Miller
Eric L. Miller Tufts University
Hugh C. Pumphrey
Hugh C. Pumphrey University of Edinburgh
David A. Boas
David A. Boas Boston University

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