World's Best Scientists 2026 revealed!
Shinji Nishiwaki

Shinji Nishiwaki

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
48
Citations
10102
World Ranking
1273
National Ranking
20

Shinji Nishiwaki 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 Shinji Nishiwaki 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: 114 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: 61 scientists 317–326 publications: 69 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: 633 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

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

Shinji Nishiwaki 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 Shinji Nishiwaki 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: 125 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 106 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: 99 scientists
30 D-Index 93+

This scientist: 48 D-Index — 64th percentile

64% of scientists in this discipline score the same or lower.

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

Overview

Shinji Nishiwaki is affiliated with Kyoto University in Japan and has contributed extensively to the field of engineering, particularly within civil and structural engineering, mechanics of materials, and computational theory and mathematics. Their research spans various subfields including electrical and electronic engineering and computational mechanics.

The scientist's main research areas focus on topology optimization in engineering, composite structure analysis and optimization, composite material mechanics, multi-objective optimization algorithms, advanced mathematical modeling in engineering, advanced numerical analysis techniques, and applications of metamaterials and metasurfaces.

Frequent coauthors of Nishiwaki include:

  • Kazuhiro IZUI
  • Kozo Furuta
  • Hao Li
  • Takayuki Yamada
  • Tsuguo Kondoh

Publication activity covers a range of scholarly venues where Nishiwaki has contributed multiple papers. These venues include:

  • Sekkei Kougaku, Shisutemu Bumon Kouenkai kouen rombunshuu/Sekkei Kogaku, Shisutemu Bumon Koenkai koen ronbunshu
  • Structural and Multidisciplinary Optimization
  • The Proceedings of Mechanical Engineering Congress Japan
  • International Journal for Numerical Methods in Engineering
  • Computer Methods in Applied Mechanics and Engineering

Recent publications by Nishiwaki include the following:

  • Three-dimensional topology optimization of a fluid-structure system using body-fitted mesh adaption based on the level-set method, 2021, Applied Mathematical Modelling
  • Full-scale 3D structural topology optimization using adaptive mesh refinement based on the level-set method, 2021, Finite Elements in Analysis and Design
  • Optimum design and thermal modeling for 2D and 3D natural convection problems incorporating level set-based topology optimization with body-fitted mesh, 2022, International Journal for Numerical Methods in Engineering
  • FreeFEM++ code for reaction-diffusion equation-based topology optimization: for high-resolution boundary representation using adaptive mesh refinement, 2020, Structural and Multidisciplinary Optimization
  • An 89-line code for geometrically nonlinear topology optimization written in FreeFEM, 2020, Structural and Multidisciplinary Optimization

Best Publications

  • A topology optimization method based on the level set method incorporating a fictitious interface energy

    Takayuki Yamada;Kazuhiro Izui;Shinji Nishiwaki;Akihiro Takezawa

  • Topological synthesis of compliant mechanisms using multi-criteria optimization

    M. I. Frecker;G. K. Ananthasuresh;S. Nishiwaki;N. Kikuchi

  • Topology optimization of compliant mechanisms using the homogenization method

    Shinji Nishiwaki;Mary I. Frecker;Seungjae Min;Noboru Kikuchi

  • Shape and topology optimization based on the phase field method and sensitivity analysis

    Akihiro Takezawa;Shinji Nishiwaki;Mitsuru Kitamura

  • Heaviside projection based topology optimization by a PDE-filtered scalar function

    Atsushi Kawamoto;Tadayoshi Matsumori;Shintaro Yamasaki;Tsuyoshi Nomura

  • A topology optimization method for a coupled thermal–fluid problem using level set boundary expressions

    Kentaro Yaji;Takayuki Yamada;Seiji Kubo;Kazuhiro Izui

  • Topology optimization for thermal conductors considering design-dependent effects, including heat conduction and convection

    A. Iga;S. Nishiwaki;K. Izui;M. Yoshimura

  • Matlab code for a level set-based topology optimization method using a reaction diffusion equation

    Masaki Otomori;Takayuki Yamada;Kazuhiro Izui;Shinji Nishiwaki

  • A Survey of Structural Optimization in Mechanical Product Development

    Kazuhiro Saitou;Kazuhiro Izui;Shinji Nishiwaki;Panos Y. Papalambros

  • A Level Set-Based Topology Optimization Method for Maximizing Thermal Diffusivity in Problems Including Design-Dependent Effects

    Takayuki Yamada;Kazuhiro Izui;Shinji Nishiwaki

  • Topology optimization design of flextensional actuators

    E.C.N. Silva;S. Nishiwaki;N. Kikuchi

  • Structural topology optimization of vibrating structures with specified eigenfrequencies and eigenmode shapes

    Y. Maeda;Shinji Nishiwaki;K. Izui;M. Yoshimura

  • Unified topology design of static and vibrating structures using multiobjective optimization

    Seungjae Min;Shinji Nishiwaki;Noboru Kikuchi

  • Design optimization method for compliant mechanisms and material microstructure

    Noboru Kikuchi;Shinji Nishiwaki;Jun S.Ono Fonseca;Emílio C.Nelli Silva

  • A topology optimization method based on the level set method for the design of negative permeability dielectric metamaterials

    Masaki Otomori;Takayuki Yamada;Kazuhiro Izui;Shinji Nishiwaki

  • Topology optimization of an acoustic metamaterial with negative bulk modulus using local resonance

    Lirong Lu;Takashi Yamamoto;Masaki Otomori;Takayuki Yamada

  • A structural optimization method based on the level set method using a new geometry‐based re‐initialization scheme

    Shintaro Yamasaki;Shinji Nishiwaki;Takayuki Yamada;Kazuhiro Izui

  • Topology optimization in thermal-fluid flow using the lattice Boltzmann method

    Kentaro Yaji;Takayuki Yamada;Masato Yoshino;Toshiro Matsumoto

  • Structural topology optimization for the design of broadband dielectric resonator antennas using the finite difference time domain technique

    Tsuyoshi Nomura;Kazuo Sato;Kenji Taguchi;Tatsuya Kashiwa

  • Topology optimization using the lattice Boltzmann method incorporating level set boundary expressions

    Kentaro Yaji;Takayuki Yamada;Masato Yoshino;Toshiro Matsumoto

  • Optimal structural design considering flexibility

    Shinji Nishiwaki;Seungjae Min;Jeonghoon Yoo;Noboru Kikuchi

  • Topology optimization using a reaction-diffusion equation

    Jae Seok Choi;Takayuki Yamada;Kazuhiro Izui;Shinji Nishiwaki

  • Topology optimization of grating couplers for the efficient excitation of surface plasmons

    Jacob Andkjær;Shinji Nishiwaki;Tsuyoshi Nomura;Ole Sigmund

Frequent Co-Authors

Kazuhiro Izui
Kazuhiro Izui Kyoto University
Emílio Carlos Nelli Silva
Emílio Carlos Nelli Silva Universidade de São Paulo
Kenjiro Terada
Kenjiro Terada Tohoku University
Noboru Kikuchi
Noboru Kikuchi University of Michigan–Ann Arbor
Hisataka Moriwaki
Hisataka Moriwaki Gifu University
Mary Frecker
Mary Frecker Pennsylvania State University
John E. Renaud
John E. Renaud University of Notre Dame
Ole Sigmund
Ole Sigmund Technical University of Denmark
Steven M. Smith
Steven M. Smith Texas A&M University
John W. Halloran
John W. Halloran University of Michigan–Ann Arbor

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