Gear and Bearing Dynamics Analysis
Gear and Bearing Dynamics Analysis is a research topic within Mechanical Engineering. Science Explorer counts 31k research works in it since 1950. 14.7% of them reached the world's top 10% most cited for their field and year.
This cluster of papers focuses on the dynamics, faults, and lubrication aspects of gear systems, including topics such as mesh stiffness, tooth crack propagation, vibration analysis, elastohydrodynamic lubrication, rolling contact fatigue, bearing faults, and nonlinear dynamics. The papers cover various types of gears including spur gears and planetary gears.
- Gear Dynamics
- Mesh Stiffness
- Tooth Crack
- Vibration Analysis
- Elastohydrodynamic Lubrication
- Rolling Contact Fatigue
- Bearing Faults
- Nonlinear Dynamics
- Spur Gear
- Planetary Gear
- Research works
- 31k fractional, since 1950
- In the world top 10%
- 4.6k per year above
- Top-10% rate
- 14.7% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- +33% the tick is no change
Which countries lead Gear and Bearing Dynamics Analysis research?
By volume, China and India publish the most (4k and 387 works in 2022–2025).
By volume, 2022–2025
- 1 China 4k works
- 2 India 387 works
- 3 Germany 264 works
- 4 United States 259 works
- 5 Japan 150 works
- 6 United Kingdom 139 works
- 7 Russia 125 works
- 8 Italy 116 works
- 9 France 96 works
- 10 South Korea 95 works
How concentrated that is
The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.
Shares of the rows listed above, not of the whole node.
Which institutions lead Gear and Bearing Dynamics Analysis research?
By volume in 2022–2025, Chongqing University publishes the most Gear and Bearing Dynamics Analysis research, followed by Xi'an Jiaotong University and Southwest Jiaotong University.
By volume, 2022–2025
- 1 Chongqing UniversityChina 142 works
- 2 Xi'an Jiaotong UniversityChina 116 works
- 3 Southwest Jiaotong UniversityChina 99 works
- 4 Northwestern Polytechnical UniversityChina 96 works
- 5 Nanjing University of Aeronautics and AstronauticsChina 87 works
- 6 Northeastern UniversityChina 71 works
- 7 Harbin Institute of TechnologyChina 57 works
- 8 Central South UniversityChina 55 works
- 9 Shanghai Jiao Tong UniversityChina 54 works
- 10 Tsinghua UniversityChina 51 works
Who are the leading researchers in Gear and Bearing Dynamics Analysis?
The most-cited researchers publishing on Gear and Bearing Dynamics Analysis include A. Charnes and Michael Pecht.
- 1 A. Charnes United States 4.5k citations
- 2 Michael Pecht United States 2.5k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Gear and Bearing Dynamics Analysis research done?
The largest centres of Gear and Bearing Dynamics Analysis research in 2022–2025 are Beijing (China), Xi'an (China), Chongqing (China) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Luoyang and Qinhuangdao.
Largest cities, 2022–2025
Where it is the local speciality
- LuoyangCN · 57.2 works20×
- QinhuangdaoCN · 35.4 works13×
Location quotient: how much more of its research is in Gear and Bearing Dynamics Analysis than the world average.
Where is the best place to study Gear and Bearing Dynamics Analysis?
Among universities, judged by research, Northeastern University, Wenzhou University and Yanshan University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.
One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.
| # | University | Score | Top 10% | Specialisation | Works | Growth |
|---|---|---|---|---|---|---|
| 1 | Northeastern UniversityChina | 77.2 | 32.5% | 12.3× | 71 | +142.3% |
| 2 | Wenzhou UniversityChina | 73.7 | 39.1% | 9.6× | 13 | +444.4% |
| 3 | Yanshan UniversityChina | 72.8 | 41.2% | 15.9× | 35 | +50.8% |
| 4 | Chongqing UniversityChina | 71.5 | 25.2% | 19.9× | 142 | +38.8% |
| 5 | Xi'an Jiaotong UniversityChina | 69.3 | 24.2% | 11.1× | 116 | +41.3% |
| 6 | Beijing Jiaotong UniversityChina | 68.2 | 25.7% | 9.7× | 39 | +157.9% |
| 7 | Southwest Jiaotong UniversityChina | 68.0 | 24.2% | 19.7× | 99 | +48.2% |
| 8 | Northwestern Polytechnical UniversityChina | 61.7 | 20.2% | 12.9× | 96 | -11.0% |
| 9 | Beijing University of TechnologyChina | 61.3 | 25.0% | 10.2× | 47 | +19.2% |
| 10 | University of HuddersfieldUnited Kingdom | 61.0 | 24.2% | 22.2× | 15 | +51.0% |
Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.
Is Gear and Bearing Dynamics Analysis research growing?
Output in 2018–2022 was 33% higher than in 2013–2017, peaking in 2024. The fastest-growing topics are Gear and Bearing Dynamics Analysis.
The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.
Which topics inside it are moving
Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.