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University · Pune · India

National Defence Academy

In research, National Defence Academy stands highest in Physical Sciences (#7,161 of 12,888 worldwide) and Engineering (#5,552 of 6,636 worldwide), 2022–2025. Relative to its size it is most specialised in Aerospace Engineering and Mathematics — Aerospace Engineering is 6.2× its share of world research.

nda.nic.inROR OpenAlex
World rank, 2022–2025
#12,294
of 28,054 · #9,135 all time
Rank in India
#861
of 1,840
Research works
3.4k
▼ 22% vs 2013–17
Citations
16k
4.7 per fractional work
Top-10% rate
8.2%
record average 16.5%
Open access
61%
world 28%

What is National Defence Academy known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #7,161 of 12,888 9.3%262 #5204
EngineeringField #5,552 of 6,636 5.8%116 #3168

Each strip is that field’s whole ranked pool, with the notch where National Defence Academy sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does National Defence Academy specialise in?

Where its research is concentrated relative to its size: Aerospace Engineering takes 6.2× the share of its output that it takes of world research.

  1. Aerospace EngineeringSubfield · 25.0 works6.2×
  2. MathematicsField · 20.1 works4.9×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.33× its world share, 5 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.25× its world share, 5 worksBiochemistry, Geneti…Immunology and Microbiology: 0.14× its world share, 0 worksImmunology and Micro…Neuroscience: 0.45× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.39× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.72× its world share, 1 worksChemical EngineeringChemistry: 0.76× its world share, 4 worksChemistryComputer Science: 1.61× its world share, 44 worksComputer ScienceEarth and Planetary Sciences: 0.82× its world share, 4 worksEarth and Planetary …Energy: 0.50× its world share, 2 worksEnergyEngineering: 2.22× its world share, 116 worksEngineeringEnvironmental Science: 0.76× its world share, 13 worksEnvironmental ScienceMaterials Science: 2.17× its world share, 26 worksMaterials ScienceMathematics: 4.92× its world share, 20 worksMathematicsPhysics and Astronomy: 4.10× its world share, 32 worksPhysics and AstronomyDentistry: 0.07× its world share, 0 worksDentistryHealth Professions: 0.21× its world share, 2 worksHealth ProfessionsMedicine: 0.30× its world share, 20 worksMedicineNursing: 0.38× its world share, 1 worksNursingVeterinary: 0.18× its world share, 0 worksVeterinaryArts and Humanities: 0.22× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 0.57× its world share, 6 worksBusiness, Management…Decision Sciences: 0.64× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 0.81× its world share, 6 worksEconomics, Econometr…Psychology: 0.37× its world share, 4 worksPsychologySocial Sciences: 0.65× its world share, 29 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Mathematics, 4.9×. Every wedge is a field page.

Who are the top researchers at National Defence Academy?

Ranked on the composite score, Hisao Esaka, Kei Shinozuka and Manabu Tamura lead among researchers whose main affiliation is National Defence Academy.

  1. 1 Hisao Esaka India · #190,897 worldwide 115 citations · 38 works
  2. 2 Kei Shinozuka India · #358,513 worldwide 62 citations · 27 works
  3. 3 Manabu Tamura India · #386,839 worldwide 74 citations · 23 works
  4. 4 Toshiki Nakano India · #567,691 worldwide 73 citations · 15 works
  5. 5 Hiroki Okubo India · #616,806 worldwide 29 citations · 15 works
  6. 6 Shigeru Tada India · #689,948 worldwide 60 citations · 54 works
  7. 7 Hideji Igarashi India · #768,662 worldwide 78 citations · 22 works
  8. 8 Yoshizumi Yasuoka India · #772,039 worldwide 25 citations · 28 works
  9. 9 Hajime Itoh India · #872,279 worldwide 71 citations · 44 works
  10. 10 Shigeki Okuyama India · #890,717 worldwide 7 citations · 24 works
All ranked researchers at National Defence Academy

Which keywords describe research at National Defence Academy?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Heat Transfer, Deep Learning, General Relativity, Numerical Simulation, Optimization, Supernovae, Cosmological Parameters and Dark Energy.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Deep Learning19▲ 1.59×47 topics
  2. Machine Learning13▲ 1.16×39 topics
  3. Heat Transfer10▲ 5.8×11 topics
  4. Globalization9▲ 1.35×25 topics
  5. Optimization8▲ 5.3×10 topics
  6. Artificial Intelligence8▲ 1.69×23 topics
  7. General Relativity8▲ 32×2 topics
  8. Numerical Simulation7▲ 7.2×7 topics
  9. Mechanical Properties7▲ 2.1×22 topics
  10. Supernovae7▲ 24×2 topics
  11. Cosmological Parameters6▲ 30×1 topic
  12. Dark Energy6▲ 26×1 topic
  13. Gravitational Waves6▲ 30×2 topics
  14. Fixed Point Theorems5▲ 107×1 topic
  15. Metric Spaces5▲ 107×1 topic
  16. Nonlinear Equations5▲ 12×6 topics
  17. Equation of State5▲ 28×2 topics
  18. Particle Swarm Optimization5▲ 12×4 topics
  19. Binary Black Hole5▲ 48×1 topic
  20. Neutron Star5▲ 48×1 topic
  21. Evolutionary Algorithms5▲ 13×5 topics
  22. Electronic Structure5▲ 7.5×7 topics
  23. Quantum Gravity5▲ 16×3 topics
  24. Legal Regulation4▲ 5.6×5 topics
  25. Heat Exchangers4▲ 16×2 topics
  26. Thermodynamic Analysis4▲ 19×3 topics
  27. Black Holes4▲ 12×3 topics
  28. Finite Element Method4▲ 12×4 topics
  29. Material Properties4▲ 12×2 topics
  30. Unmanned Aerial Vehicles4▲ 6.3×3 topics
  31. Microstructural Evolution4▲ 7.3×4 topics
  32. Product Development4▲ 20×2 topics
  33. String Theory4▲ 19×2 topics
  34. Failure Analysis4▲ 10×2 topics
  35. Design Optimization4▲ 26×1 topic
  36. Field Theories4▲ 22×1 topic
  37. Holographic4▲ 22×1 topic
  38. Structural Analysis4▲ 11×1 topic
  39. Two-Phase Flow4▲ 14×4 topics
  40. Numerical Analysis3▲ 20×2 topics

Which research topics does National Defence Academy publish most on?

By volume in 2022–2025: Cosmology and Gravitation Theories, Fixed Point Theorems Analysis, Pulsars and Gravitational Waves Research and Engineering Applied Research.

Cosmology and Gravitatio…6Cosmology and Gravitation Theories: 6 fractional worksFixed Point Theorems Ana…5Fixed Point Theorems Analysis: 5 fractional worksPulsars and Gravitationa…5Pulsars and Gravitational Waves Research: 5 fractional worksEngineering Applied Rese…4Engineering Applied Research: 4 fractional worksBlack Holes and Theoretical Physics: 4 fractional worksFractional Differential Equations Solutions: 3 fractional worksLegal and Regulatory Ana…3Legal and Regulatory Analysis: 3 fractional worksMilitary Technology and Strategies: 3 fractional worksLinguistic, Cultural, and Literary Studies: 3 fractional worksAntenna Design and Analy…2Antenna Design and Analysis: 2 fractional works
Astronomy and AstrophysicsGeometry and TopologyCivil and Structural EngineeringNuclear and High Energy Physics4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Cosmology and Gravitation Theories Astronomy and Astrophysics 6 works
  2. 2 Fixed Point Theorems Analysis Geometry and Topology 5 works
  3. 3 Pulsars and Gravitational Waves Research Astronomy and Astrophysics 5 works
  4. 4 Engineering Applied Research Civil and Structural Engineering 4 works
  5. 5 Black Holes and Theoretical Physics Nuclear and High Energy Physics 4 works
  6. 6 Fractional Differential Equations Solutions Modeling and Simulation 3 works
  7. 7 Legal and Regulatory Analysis Transportation 3 works
  8. 8 Military Technology and Strategies Aerospace Engineering 3 works
  9. 9 Linguistic, Cultural, and Literary Studies Sociology and Political Science 3 works
  10. 10 Antenna Design and Analysis Aerospace Engineering 2 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available60.9%not open39.1%

World: 28% of research is openly available.

with international co-authors26.6%domestic only73.4%

World: 19% is written across borders.

How has National Defence Academy's research output changed?

Output in 2018–2022 was 22% lower than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Pune

All research institutions in Pune

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.