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Research facility · Sofia · Bulgaria

Institute of Mechanics

In research, Institute of Mechanics stands highest in Physical Sciences (#5,655 of 12,888 worldwide) and Engineering (#5,782 of 6,636 worldwide), 2022–2025.

imbm.bas.bgROR OpenAlex
World rank, 2022–2025
#10,206
of 28,054 · #14,763 all time
Rank in Bulgaria
#17
of 92
Research works
1.1k
◆ 2% vs 2013–17
Citations
11k
9.6 per fractional work
Top-10% rate
12.6%
record average 16.5%
Open access
30%
world 28%

What is Institute of Mechanics 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 #5,655 of 12,888 13.8%132 #8558
EngineeringField #5,782 of 6,636 8.6%63 #5803

Each strip is that field’s whole ranked pool, with the notch where Institute of Mechanics 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.

Agricultural and Biological Sciences: 0.39× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.46× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.14× its world share, 0 worksImmunology and Micro…Neuroscience: 0.28× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.14× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 1.56× its world share, 1 worksChemical EngineeringChemistry: 0.38× its world share, 1 worksChemistryComputer Science: 0.47× its world share, 6 worksComputer ScienceEarth and Planetary Sciences: 3.29× its world share, 9 worksEarth and Planetary …Energy: 0.72× its world share, 1 worksEnergyEngineering: 2.51× its world share, 63 worksEngineeringEnvironmental Science: 0.35× its world share, 3 worksEnvironmental ScienceMaterials Science: 1.90× its world share, 11 worksMaterials ScienceMathematics: 6.59× its world share, 13 worksMathematicsPhysics and Astronomy: 6.24× its world share, 23 worksPhysics and AstronomyDentistry: 0.43× its world share, 0 worksDentistryHealth Professions: 0.33× its world share, 1 worksHealth ProfessionsMedicine: 0.31× its world share, 10 worksMedicineNursing: 0.27× its world share, 0 worksNursingArts and Humanities: 0.09× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.25× its world share, 1 worksBusiness, Management…Decision Sciences: 0.51× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.20× its world share, 1 worksEconomics, Econometr…Psychology: 0.33× its world share, 2 worksPsychologySocial Sciences: 0.52× its world share, 11 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Mathematics, 6.6×. Every wedge is a field page.

Who are the top researchers at Institute of Mechanics?

Ranked on the composite score, Petia Dineva, Stefan Stefanov and S. Radev lead among researchers whose main affiliation is Institute of Mechanics.

  1. 1 Petia Dineva Bulgaria · #1,175,384 worldwide 61 citations · 43 works
  2. 2 Stefan Stefanov Bulgaria · #1,183,787 worldwide 37 citations · 40 works
  3. 3 S. Radev Bulgaria · #1,380,341 worldwide 11 citations · 15 works
  4. 4 S. Tabakova Bulgaria · #1,533,481 worldwide 18 citations · 17 works
All ranked researchers at Institute of Mechanics

Which keywords describe research at Institute of Mechanics?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Nonlinear Equations, Nonlinear Schrödinger Equation, Heat Transfer, Rogue Waves, Soliton Solutions, Social Influence, Composite Materials 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 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. Nonlinear Equations9▲ 42×3 topics
  2. Nonlinear Schrödinger Equation7▲ 74×2 topics
  3. Heat Transfer7▲ 8.1×15 topics
  4. Mechanical Properties6▲ 3.9×22 topics
  5. Rogue Waves6▲ 63×1 topic
  6. Soliton Solutions6▲ 102×1 topic
  7. Social Influence5▲ 14×3 topics
  8. Composite Materials5▲ 14×7 topics
  9. Nanocomposites4▲ 3.1×12 topics
  10. Nonlinear Dynamics4▲ 12×6 topics
  11. Solitons4▲ 57×2 topics
  12. Wave Propagation4▲ 23×4 topics
  13. Optical Lattices4▲ 36×3 topics
  14. Ethnicity4▲ 6.0×2 topics
  15. Legal Regulation4▲ 10×1 topic
  16. Numerical Methods4▲ 27×3 topics
  17. Transport Policy4▲ 18×1 topic
  18. Literature4▲ 4.0×2 topics
  19. Design4▲ 13×2 topics
  20. Unmanned Aerial Vehicles4▲ 11×2 topics
  21. Air Force3▲ 17×1 topic
  22. Culture3▲ 3.9×1 topic
  23. Discrete3▲ 85×1 topic
  24. Islam3▲ 9.7×1 topic
  25. Modernization3▲ 11×1 topic
  26. Nonlinear Photonic Systems3▲ 85×1 topic
  27. Rock Mechanics3▲ 20×2 topics
  28. Fracture3▲ 19×3 topics
  29. Hamiltonian Systems3▲ 62×2 topics
  30. Polymer Composites3▲ 7.0×6 topics
  31. Anomalous Diffusion3▲ 33×2 topics
  32. Fractional Calculus3▲ 31×1 topic
  33. Homotopy Analysis Method3▲ 39×1 topic
  34. Differential Equations3▲ 76×1 topic
  35. Network Dynamics3▲ 17×3 topics
  36. Numerical Integration3▲ 61×1 topic
  37. Actuators3▲ 9.9×5 topics
  38. Geomechanical Processes2▲ 53×1 topic
  39. Seismicity2▲ 42×1 topic
  40. Synchronization2▲ 12×4 topics

Which research topics does Institute of Mechanics publish most on?

By volume in 2022–2025: Nonlinear Waves and Solitons, Legal and Regulatory Analysis, Nonlinear Photonic Systems and Linguistic, Cultural, and Literary Studies.

Nonlinear Waves and Soli…6Nonlinear Waves and Solitons: 6 fractional worksLegal and Regulatory Ana…4Legal and Regulatory Analysis: 4 fractional worksNonlinear Photonic Systems: 3 fractional worksLinguistic, Cultural, an…3Linguistic, Cultural, and Literary Studies: 3 fractional worksMilitary Technology and Strategies: 3 fractional worksFractional Differential Equations Solutions: 3 fractional worksNumerical methods for di…3Numerical methods for differential equations: 3 fractional worksGeotechnical and Geomechanical Engineering: 2 fractional worksGas Dynamics and Kinetic Theory: 2 fractional worksearthquake and tectonic studies: 2 fractional works
Statistical and Nonlinear PhysicsTransportationSociology and Political ScienceAerospace Engineering5 others

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

  1. 1 Nonlinear Waves and Solitons Statistical and Nonlinear Physics 6 works
  2. 2 Legal and Regulatory Analysis Transportation 4 works
  3. 3 Nonlinear Photonic Systems Statistical and Nonlinear Physics 3 works
  4. 4 Linguistic, Cultural, and Literary Studies Sociology and Political Science 3 works
  5. 5 Military Technology and Strategies Aerospace Engineering 3 works
  6. 6 Fractional Differential Equations Solutions Modeling and Simulation 3 works
  7. 7 Numerical methods for differential equations Numerical Analysis 3 works
  8. 8 Geotechnical and Geomechanical Engineering Mechanics of Materials 2 works
  9. 9 Gas Dynamics and Kinetic Theory Applied Mathematics 2 works
  10. 10 earthquake and tectonic studies Geophysics 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 available30.2%not open69.8%

World: 28% of research is openly available.

with international co-authors31.7%domestic only68.3%

World: 19% is written across borders.

How has Institute of Mechanics's research output changed?

Output in 2018–2022 was 2% higher 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 Sofia

All research institutions in Sofia

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.