World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
56
Citations
11551
World Ranking
2831
National Ranking
863

Earth Science

D-Index
53
Citations
10752
World Ranking
2851
National Ranking
1175

Hari S. Viswanathan 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 Hari S. Viswanathan 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.

Hari S. Viswanathan 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 Hari S. Viswanathan 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: 56 D-Index — 72nd percentile

72% 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

  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America

Overview

Hari S. Viswanathan is affiliated with Los Alamos National Laboratory in the United States. Their research spans multiple interconnected fields within engineering and environmental science, focusing notably on hydraulic fracturing, reservoir analysis, and geologic carbon sequestration.

The scientist's publication record includes significant contributions to a variety of journals and venues. Frequent publication outlets include arXiv (Cornell University), Scientific Reports, Geophysical Research Letters, SSRN Electronic Journal, and Energies.

Among recent papers, notable works include:

  • From Fluid Flow to Coupled Processes in Fractured Rock: Recent Advances and New Frontiers (2022, Reviews of Geophysics)
  • Reactive chemical transport simulations of geologic carbon sequestration: Methods and applications (2020, Earth-Science Reviews)
  • A framework for data-driven solution and parameter estimation of PDEs using conditional generative adversarial networks (2021, Nature Computational Science)
  • Computationally efficient multiscale neural networks applied to fluid flow in complex 3D porous media (2024, OSTI OAI)
  • Role of interaction between hydraulic and natural fractures on production (2020, Journal of Natural Gas Science and Engineering)

Their research topics cover a broad spectrum including:

  • Hydraulic Fracturing and Reservoir Analysis
  • Groundwater flow and contamination studies
  • Reservoir Engineering and Simulation Methods
  • Enhanced Oil Recovery Techniques
  • CO2 Sequestration and Geologic Interactions
  • Hydrocarbon exploration and reservoir analysis
  • Seismic Imaging and Inversion Techniques

Their main fields of study are identified as engineering and environmental science, with subfields including ocean engineering, mechanical engineering, environmental engineering, geophysics, and mechanics of materials.

Frequent collaborators contributing to their body of work include Daniel O'Malley, Jeffrey D. Hyman, Qinjun Kang, Javier E. Santos, and Mohamed Mehana. These coauthor relationships indicate sustained research partnerships in their areas of specialty.

Hari S. Viswanathan has received recognition as a Fellow of the Geological Society of America, highlighting their established presence within the geological and geophysical scientific communities.

Best Publications

  • Shale gas and non-aqueous fracturing fluids: Opportunities and challenges for supercritical CO2

    Richard S. Middleton;J. William Carey;Robert P. Currier;Jeffrey D. Hyman

  • dfnWorks: A discrete fracture network framework for modeling subsurface flow and transport

    Jeffrey D. Hyman;Satish Karra;Nataliia Makedonska;Carl W. Gable

  • An Integrated Framework for Optimizing CO2 Sequestration and Enhanced Oil Recovery

    Zhenxue Dai;Richard Middleton;Hari Viswanathan;Julianna Fessenden-Rahn

  • Nanoscale simulation of shale transport properties using the lattice Boltzmann method: permeability and diffusivity

    Li Chen;Lei Zhang;Qinjun Kang;Hari S. Viswanathan

  • The shale gas revolution: Barriers, sustainability, and emerging opportunities

    Richard S. Middleton;Rajan Gupta;Jeffrey D. Hyman;Hari S. Viswanathan

  • CO2 Accounting and Risk Analysis for CO2 Sequestration at Enhanced Oil Recovery Sites

    Zhenxue Dai;Hari Viswanathan;Richard Middleton;Feng Pan

  • From Fluid Flow to Coupled Processes in Fractured Rock: Recent Advances and New Frontiers

    Unknown

  • Pore Scale Modeling of Reactive Transport Involved in Geologic CO2 Sequestration

    Qinjun Kang;Peter C. Lichtner;Hari S. Viswanathan;Amr I. Abdel-Fattah

  • Why Fracking Works

    Zdeněk P. Bažant;Marco Salviato;Viet T. Chau;Hari Viswanathan

  • The cross-scale science of CO2 capture and storage: from pore scale to regional scale

    Richard S. Middleton;Gordon N. Keating;Philip H. Stauffer;Amy B. Jordan

  • Development of a hybrid process and system model for the assessment of wellbore leakage at a geologic CO2 sequestration site.

    Hari S. Viswanathan;Rajesh J. Pawar;Philip H. Stauffer;John P. Kaszuba

  • Pore-scale study of dissolution-induced changes in permeability and porosity of porous media

    Qinjun Kang;Li Chen;Albert J. Valocchi;Hari S. Viswanathan

  • CO2 as a fracturing fluid: Potential for commercial-scale shale gas production and CO2 sequestration☆

    Richard Middleton;Hari Viswanathan;Robert Currier;Rajan Gupta

  • Hydraulic fracturing fluid migration in the subsurface: A review and expanded modeling results

    Daniel T. Birdsell;Harihar Rajaram;David Dempsey;David Dempsey;Hari S. Viswanathan

  • Effectiveness of supercritical-CO2 and N2 huff-and-puff methods of enhanced oil recovery in shale fracture networks using microfluidic experiments

    Phong Nguyen;J. William Carey;Hari S. Viswanathan;Mark Porter

  • Fracture-permeability behavior of shale

    J. William Carey;Zhou Lei;Esteban Rougier;Hiroko Mori

  • A system model for geologic sequestration of carbon dioxide.

    Philip H. Stauffer;Hari S. Viswanathan;Rajesh J. Pawar;George D. Guthrie

  • The Effect of Wettability Heterogeneity on Relative Permeability of Two-Phase Flow in Porous Media: A Lattice Boltzmann Study

    Jianlin Zhao;Qinjun Kang;Jun Yao;Hari Viswanathan

  • Understanding hydraulic fracturing: a multi-scale problem.

    J. D. Hyman;J. Jiménez-Martínez;H. S. Viswanathan;J. W. Carey

  • Reactive chemical transport simulations of geologic carbon sequestration: Methods and applications

    Zhenxue Dai;Lulu Xu;Ting Xiao;Brian McPherson

  • Generalized lattice Boltzmann model for flow through tight porous media with Klinkenberg's effect.

    Li Chen;Li Chen;Wenzhen Fang;Qinjun Kang;Jeffrey De'Haven Hyman

  • Greening coal: breakthroughs and challenges in carbon capture and storage.

    Philip H. Stauffer;Gordon N. Keating;Richard S. Middleton;Hari S. Viswanathan

Frequent Co-Authors

Jeffrey D. Hyman
Jeffrey D. Hyman Los Alamos National Laboratory
Qinjun Kang
Qinjun Kang Los Alamos National Laboratory
Rajesh J. Pawar
Rajesh J. Pawar United States Department of Energy
Philip H. Stauffer
Philip H. Stauffer Los Alamos National Laboratory
Zhenxue Dai
Zhenxue Dai Los Alamos National Laboratory
J. William Carey
J. William Carey Los Alamos National Laboratory
Li Chen
Li Chen Xi'an Jiaotong University
Brian McPherson
Brian McPherson University of Utah
Harihar Rajaram
Harihar Rajaram Johns Hopkins University
Scott L. Painter
Scott L. Painter Oak Ridge National Laboratory

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