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Institution · Washington D.C. · United States

Association of American Railroads

In research, Association of American Railroads stands highest in Engineering (#9,336 of 11,412 worldwide) and Physical Sciences (#19,734 of 21,541 worldwide), over all time.

aar.orgROR OpenAlex
World rank, all time
#37,246
of 42,892
Rank in United States
#7,851
of 8,685
Research works
193
▼ 27% vs 2013–17
Citations
1.5k
7.6 per fractional work
Top-10% rate
22.1%
record average 16.5%
Open access
7%
world 28%

What is Association of American Railroads known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
EngineeringField #9,336 of 11,412 7.3%131
Physical SciencesDomain #19,734 of 21,541 8.0%153

Each strip is that field’s whole ranked pool, with the notch where Association of American Railroads 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).

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.

Earth and Planetary Sciences: 2.35× its world share, 0 worksEarth and Planetary …Engineering: 3.21× its world share, 1 worksEngineeringMathematics: 4.18× its world share, 0 worksMathematicsHealth Professions: 5.46× its world share, 0 worksHealth ProfessionsMedicine: 0.26× its world share, 0 worksMedicineEconomics, Econometrics and Finance: 3.28× its world share, 0 worksEconomics, Econometr…Psychology: 0.69× its world share, 0 worksPsychologySocial Sciences: 1.17× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Health Professions, 5.5×. Every wedge is a field page.

Who are the top researchers at Association of American Railroads?

Ranked on the composite score, Dingqing Li, D H Stone and Duane Otter lead among researchers whose main affiliation is Association of American Railroads.

  1. 1 Dingqing Li United States · #354,345 worldwide 65 citations · 19 works
  2. 2 D H Stone United States · #1,139,086 worldwide 12 citations · 15 works
  3. 3 Duane Otter United States · #1,373,863 worldwide 11 citations · 16 works
  4. 4 D. Utrata United States · #1,578,220 worldwide 4 citations · 15 works
All ranked researchers at Association of American Railroads

Which keywords describe research at Association of American Railroads?

By fractional works in all years, weighted toward what it does more of than the world: Rolling Contact Fatigue, Dynamic Interaction, High-Speed Trains, Ground Vibration, Railway Dynamics, Efficiency, Finite Element Analysis and Mechanical Properties.

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

Size is fractional works in all years 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. Dynamic Interaction27▲ 214×2 topics
  2. Rolling Contact Fatigue27▲ 276×2 topics
  3. High-Speed Trains26▲ 232×3 topics
  4. Ground Vibration26▲ 581×1 topic
  5. Railway Dynamics26▲ 581×1 topic
  6. Efficiency12▲ 23×2 topics
  7. Mechanical Properties11▲ 6.2×12 topics
  8. Finite Element Analysis11▲ 25×5 topics
  9. Competition10▲ 62×1 topic
  10. Railway Deregulation10▲ 540×1 topic
  11. Finite Element Simulation10▲ 136×2 topics
  12. Optimization9▲ 8.9×5 topics
  13. Microstructure8▲ 8.3×5 topics
  14. Analysis8▲ 36×3 topics
  15. Numerical Simulation7▲ 11×5 topics
  16. Energy Efficiency7▲ 4.6×3 topics
  17. Optimal Control7▲ 46×2 topics
  18. Experimental Validation6▲ 120×1 topic
  19. Fretting Wear6▲ 120×1 topic
  20. Finite Element Method6▲ 25×6 topics
  21. Vehicle Suspension6▲ 84×2 topics
  22. Vibration Analysis6▲ 10×6 topics
  23. Defect Detection6▲ 29×2 topics
  24. Railway Timetabling6▲ 234×1 topic
  25. Train Scheduling6▲ 234×1 topic
  26. Composite Springs5▲ 90×1 topic
  27. Fatigue Life Prediction5▲ 90×1 topic
  28. Pipeline5▲ 28×2 topics
  29. Liquefaction5▲ 32×2 topics
  30. Tunnel5▲ 32×2 topics
  31. Cryogenic Treatment5▲ 64×1 topic
  32. Earthquake5▲ 46×1 topic
  33. Seismic5▲ 46×1 topic
  34. Wear Resistance5▲ 52×1 topic
  35. Supply Chain4▲ 13×5 topics
  36. Structural Analysis4▲ 14×4 topics
  37. Feature Extraction4▲ 7.3×2 topics
  38. Nonlinear Dynamics4▲ 8.3×3 topics
  39. Logistics4▲ 17×5 topics
  40. Loosening Mechanism4▲ 131×1 topic

Which research topics does Association of American Railroads publish most on?

By volume in 2022–2025: Transportation Safety and Impact Analysis, Geotechnical Engineering and Underground Structures, Geotechnical Engineering and Soil Mechanics and Global Health Care Issues.

Transportation Safety an…0Transportation Safety and Impact Analysis: 0 fractional worksGeotechnical Engineering…0Geotechnical Engineering and Underground Structures: 0 fractional worksGeotechnical Engineering and Soil Mechanics: 0 fractional worksGlobal Health Care Issues0Global Health Care Issues: 0 fractional worksIntergenerational Family…0Intergenerational Family Dynamics and Caregiving: 0 fractional worksGeotechnical Engineering…0Geotechnical Engineering and Soil Stabilization: 0 fractional worksDemographic Trends and G…0Demographic Trends and Gender Preferences: 0 fractional worksRailway Engineering and …0Railway Engineering and Dynamics: 0 fractional worksGlobal Maternal and Child Health: 0 fractional worksCOVID-19 epidemiological studies: 0 fractional works
Civil and Structural EngineeringGeneral Health ProfessionsSociology and Political ScienceGender Studies3 others

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

  1. 1 Transportation Safety and Impact Analysis Civil and Structural Engineering 0 works
  2. 2 Geotechnical Engineering and Underground Structures Civil and Structural Engineering 0 works
  3. 3 Geotechnical Engineering and Soil Mechanics Civil and Structural Engineering 0 works
  4. 4 Global Health Care Issues General Health Professions 0 works
  5. 5 Intergenerational Family Dynamics and Caregiving Sociology and Political Science 0 works
  6. 6 Geotechnical Engineering and Soil Stabilization Civil and Structural Engineering 0 works
  7. 7 Demographic Trends and Gender Preferences Gender Studies 0 works
  8. 8 Railway Engineering and Dynamics Mechanical Engineering 0 works
  9. 9 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 0 works
  10. 10 COVID-19 epidemiological studies Modeling and Simulation 0 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 available6.6%not open93.4%

World: 28% of research is openly available.

with international co-authors4.1%domestic only95.9%

World: 19% is written across borders.

How has Association of American Railroads's research output changed?

Output in 2018–2022 was 27% 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 Washington D.C.

All research institutions in Washington D.C.

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.