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Company · Nantes · France

Sirehna

sirehna.comROR OpenAlex
Research works
27
▲ 78% vs 2013–17
Citations
129
4.8 per fractional work
Top-10% rate
17.6%
record average 16.5%
Open access
22%
world 28%

Not ranked overall: Sirehna is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

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.

Computer Science: 0.18× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 1.79× its world share, 0 worksEarth and Planetary …Engineering: 5.65× its world share, 2 worksEngineeringEnvironmental Science: 1.05× its world share, 0 worksEnvironmental ScienceMathematics: 1.36× its world share, 0 worksMathematicsSocial Sciences: 0.34× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Engineering, 5.7×. Every wedge is a field page.

Which keywords describe research at Sirehna?

By fractional works in all years, weighted toward what it does more of than the world: CFD Simulations, Ship Maneuvering, Remote Sensing, Fluid-Structure Interaction, Ocean Circulation, Evolutionary Algorithms, Genetic Algorithm and Maritime Transportation.

▲ 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 32 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 32 words, with their numbers
  1. CFD Simulations3▲ 959×1 topic
  2. Ship Maneuvering3▲ 959×1 topic
  3. Climate Change2▲ 3.3×5 topics
  4. Remote Sensing2▲ 7.1×4 topics
  5. Fluid-Structure Interaction2▲ 40×5 topics
  6. Ocean Circulation2▲ 49×2 topics
  7. Evolutionary Algorithms2▲ 62×3 topics
  8. Genetic Algorithm2▲ 37×3 topics
  9. Engineering Design2▲ 83×2 topics
  10. Maritime Transportation2▲ 189×2 topics
  11. Particle Swarm Optimization2▲ 56×2 topics
  12. Arctic2▲ 54×1 topic
  13. Multiobjective Optimization2▲ 98×1 topic
  14. Numerical Simulation2▲ 17×3 topics
  15. Sea Ice2▲ 212×1 topic
  16. Surrogate Modeling2▲ 191×1 topic
  17. Adaptive1▲ 101×2 topics
  18. Control1▲ 39×2 topics
  19. Free-Surface Flows1▲ 118×2 topics
  20. Renewable Energy1▲ 5.2×6 topics
  21. Supply Chain Management1▲ 10×2 topics
  22. Assembly Planning1▲ 52×1 topic
  23. Design for Manufacture1▲ 52×1 topic
  24. Model Predictive Control1▲ 19×2 topics
  25. Environmental Impact1▲ 3.0×3 topics
  26. SPH Method1▲ 143×1 topic
  27. Smoothed Particle Hydrodynamics1▲ 143×1 topic
  28. Collision Avoidance1▲ 33×1 topic
  29. Constraint Handling1▲ 37×2 topics
  30. Mass Customization1▲ 235×1 topic
  31. Product Modularity1▲ 235×1 topic
  32. Unmanned Surface Vehicles1▲ 193×1 topic

Which research topics does Sirehna publish most on?

By volume in 2022–2025: Maritime Navigation and Safety, Ship Hydrodynamics and Maneuverability, Machine Fault Diagnosis Techniques and Maritime Ports and Logistics.

Maritime Navigation and …1Maritime Navigation and Safety: 1 fractional worksShip Hydrodynamics and Maneuverability: 0 fractional worksMachine Fault Diagnosis Techniques: 0 fractional worksMaritime Ports and Logistics: 0 fractional worksFluid Dynamics and Turbulent Flows: 0 fractional worksMaritime Security and History: 0 fractional worksMilitary Defense Systems Analysis: 0 fractional worksInfrastructure Resilience and Vulnerability Analysis: 0 fractional worksInertial Sensor and Navigation: 0 fractional worksAdaptive Control of Nonlinear Systems: 0 fractional works
Ocean EngineeringControl and Systems EngineeringIndustrial and Manufacturing EngineeringComputational Mechanics3 others

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

  1. 1 Maritime Navigation and Safety Ocean Engineering 1 works
  2. 2 Ship Hydrodynamics and Maneuverability Ocean Engineering 0 works
  3. 3 Machine Fault Diagnosis Techniques Control and Systems Engineering 0 works
  4. 4 Maritime Ports and Logistics Industrial and Manufacturing Engineering 0 works
  5. 5 Fluid Dynamics and Turbulent Flows Computational Mechanics 0 works
  6. 6 Maritime Security and History Transportation 0 works
  7. 7 Military Defense Systems Analysis Aerospace Engineering 0 works
  8. 8 Infrastructure Resilience and Vulnerability Analysis Civil and Structural Engineering 0 works
  9. 9 Inertial Sensor and Navigation Aerospace Engineering 0 works
  10. 10 Adaptive Control of Nonlinear Systems Control and Systems Engineering 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 available22.5%not open77.5%

World: 28% of research is openly available.

with international co-authors26.1%domestic only73.9%

World: 19% is written across borders.

How has Sirehna's research output changed?

Output in 2018–2022 was 78% higher than in 2013–2017.

200020102020
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 Nantes

All research institutions in Nantes

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.