World's Best Scientists 2026 revealed!
Delwyn G. Fredlund

Delwyn G. Fredlund

D-Index & Metrics

Engineering and Technology

D-Index
76
Citations
40746
World Ranking
684
National Ranking
27

Delwyn G. Fredlund 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 Delwyn G. Fredlund 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: 303 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

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

Delwyn G. Fredlund 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 Delwyn G. Fredlund 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: 76 D-Index — 93rd percentile

93% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering

Overview

Delwyn G. Fredlund is affiliated with the University of Saskatchewan in Canada. Their research primarily addresses topics within engineering and environmental science, with a focus on civil and structural engineering and environmental engineering subfields.

The scholar's contributions encompass a variety of subjects including soil and unsaturated flow, groundwater flow and contamination studies, geotechnical engineering and soil mechanics, landslides and related hazards, dam engineering and safety, soil moisture and remote sensing, and climate change and permafrost.

Frequent publication venues for their research include:

  • Geosciences
  • Indian Geotechnical Journal
  • Soils and Rocks
  • International Journal of Civil Engineering
  • Canadian Geotechnical Journal

Recent papers authored or coauthored by Delwyn G. Fredlund include:

  • "Application of 'Estimation Procedures' in Unsaturated Soil Mechanics," 2020, published in Geosciences
  • "Verification of the Fredlund (2019) Unsaturated Shear Strength Function," 2021, Geosciences
  • "Myths and misconceptions related to unsaturated soil mechanics," 2021, Soils and Rocks
  • "Relationship of 'Fredlund-Xing (1994) Fitting Parameters' to 'Anchor Points' on Soil-Water Characteristic Curve," 2022, Indian Geotechnical Journal
  • "Hydraulic Responses of Railway Embankments Using Coupled Moisture-Heat Flow Modeling: Effects of Fill Materials and Climate Conditions," 2023, International Journal of Civil Engineering

Their collaborative work includes frequent coauthors such as Thi Phuong An Tran, M. D. Fredlund, Hanwen Li, Lulu Zhang, and Lihong Chen.

Delwyn G. Fredlund's recognized expertise in their field is reflected by membership in The Canadian Academy of Engineering.

Best Publications

  • Soil Mechanics for Unsaturated Soils

    Delwyn G. Fredlund;Hendry Rahardjo

  • Equations for the soil-water characteristic curve

    D.G. Fredlund;Anqing Xing

  • Model for the prediction of shear strength with respect to soil suction

    S K Vanapalli;D G Fredlund;D E Pufahl;A W Clifton

  • The shear strength of unsaturated soils

    D. G. Fredlund;N. R. Morgenstern;R. A. Widger

  • Unsaturated Soil Mechanics in Engineering Practice

    Delwyn G. Fredlund

  • Predicting the permeability function for unsaturated soils using the soil-water characteristic curve

    D.G. Fredlund;Anqing Xing;Shangyan Huang

  • STRESS STATE VARIABLES FOR UNSATURATED SOILS

    Delwyn G. Fredlund;Norbert R. Morgenstern

  • THE INFLUENCE OF SOIL STRUCTURE AND STRESS HISTORY ON THE SOIL-WATER CHARACTERISTICS OF A COMPACTED TILL

    S. K. Vanapalli;D. G. Fredlund;D. E. Pufahl

  • The relationship of the unsaturated soil shear strength to the soil-water characteristic curve

    D G Fredlund;Anqing Xing;M D Fredlund;S L Barbour

  • Comparison of slope stability methods of analysis

    D. G. Fredlund;J. Krahn

  • Determination of the shear strength parameters of an unsaturated soil using the direct shear test

    J. K. M. Gan;D. G. Fredlund;H. Rahardjo

  • A new modelling approach for unsaturated soils using independent stress variables

    Daichao ShengD. Sheng;Daichao ShengD. Sheng;Daichao ShengD. Sheng;Delwyn G. FredlundD.G. Fredlund;Delwyn G. FredlundD.G. Fredlund;Delwyn G. FredlundD.G. Fredlund;Antonio GensA. Gens;Antonio GensA. Gens;Antonio GensA. Gens

  • SHEAR-STRENGTH CHARACTERISTICS OF A RESIDUAL SOIL

    H. Rahardjo;T.T. Lim;M.F. Chang;D.G. Fredlund

  • Performance of an unsaturated expansive soil slope subjected to artificial rainfall infiltration

    Charles Wang Wai Ng;Liang Tong Zhan;Cheng Gang Bao;Delwyn G Fredlund

  • A study of hysteresis models for soil-water characteristic curves

    Hung Q Pham;Delwyn G Fredlund;S Lee Barbour

  • Effect of rainfall on matric suctions in a residual soil slope

    T T Lim;H Rahardjo;M F Chang;D G Fredlund

  • Use of the grain-size distribution for estimation of the soil-water characteristic curve

    Murray D Fredlund;G Ward Wilson;Delwyn G Fredlund

  • Constitutive relations for volume change in unsaturated soils

    D. G. Fredlund;N. R. Morgenstern

  • The effect of soil suction on evaporative fluxes from soil surfaces

    G W Wilson;D G Fredlund;S L Barbour

  • Factors affecting drying and wetting soil-water characteristic curves of sandy soils

    Hong Yang;Harianto Rahardjo;Eng Choon Leong;Delwyn G. Fredlund

Frequent Co-Authors

Harianto Rahardjo
Harianto Rahardjo Nanyang Technological University
Li Min Zhang
Li Min Zhang Hong Kong University of Science and Technology
Eng Choon Leong
Eng Choon Leong Nanyang Technological University
Jayantha Kodikara
Jayantha Kodikara Monash University
Antonio Gens
Antonio Gens Universitat Politècnica de Catalunya
Sai K. Vanapalli
Sai K. Vanapalli University of Ottawa
Daichao Sheng
Daichao Sheng University of Technology Sydney
Charles Wang Wai Ng
Charles Wang Wai Ng Hong Kong University of Science and Technology
Yunmin Chen
Yunmin Chen Zhejiang University
Scott W. Sloan
Scott W. Sloan University of Newcastle Australia

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