Engineering & Materials Science
Rotors
100%
Helicopters
73%
Aircraft
62%
Acoustics
46%
Aerodynamics
44%
Unmanned aerial vehicles (UAV)
42%
Trajectories
35%
Airfoils
35%
Computational fluid dynamics
32%
Orbits
31%
Vortex flow
30%
Composite materials
30%
Controllers
27%
Damping
27%
Actuators
26%
Spacecraft
25%
Ice
25%
Helicopter rotors
24%
Aeroacoustics
24%
Turbines
23%
Sensors
23%
Uncertainty
22%
Noise abatement
22%
Boundary layers
22%
Landing
20%
Turbulence
20%
Fluidics
20%
Nozzles
20%
Testing
19%
Reynolds number
19%
Experiments
19%
Computer simulation
18%
Wind turbines
18%
Computational aeroacoustics
18%
Robots
18%
Drag
17%
Dynamical systems
17%
Acoustic noise
17%
Navigation
16%
Air
16%
Geometry
16%
Slings
16%
Flight dynamics
16%
Carbon nanotubes
15%
Antennas
15%
Turbomachine blades
15%
Ships
15%
Earth (planet)
15%
Fans
15%
Satellites
14%
Collision avoidance
14%
Heat transfer
14%
Acoustic waves
14%
Mach number
13%
Flow fields
13%
Wind tunnels
12%
NASA
12%
Neural networks
12%
Probability density function
12%
Takeoff
11%
Temperature
11%
Extended Kalman filters
10%
Fuselages
10%
Nanocomposites
10%
Fluids
10%
Students
10%
Propulsion
10%
Stiffness
9%
Moon
9%
Polynomials
9%
Euler equations
9%
Snow and ice removal
9%
Flight paths
9%
Laminar flow
9%
Hypersonic aerodynamics
9%
Radiation
9%
Engines
9%
Physics
9%
Vibration control
9%
Feedback
9%
Hot Temperature
9%
Control systems
9%
Amplification
8%
Cameras
8%
Turbulence models
8%
Kalman filters
8%
Decomposition
8%
Robotics
8%
Momentum
8%
Costs
8%
Scattering
8%
Flight control systems
8%
Axial flow
8%
Orbital transfer
8%
Airframes
8%
Flight envelopes
8%
Energy harvesting
8%
Torque
8%
Boundary conditions
8%
Global positioning system
7%
Physics & Astronomy
maneuvers
17%
spacecraft
15%
orbits
14%
simulation
13%
trajectories
13%
optimization
13%
low thrust
12%
flight
10%
acoustics
10%
thrust
10%
noise prediction
10%
rotary wing aircraft
10%
jet aircraft noise
9%
vehicles
9%
performance
8%
predictions
8%
aircraft
8%
vibration
8%
rotors
7%
actuators
7%
wind turbines
7%
aerodynamics
7%
nozzles
6%
damping
6%
transfer orbits
6%
three body problem
6%
Kalman filters
5%
debris
5%
collocation
5%
situational awareness
5%
low Earth orbits
5%
airfoils
5%
sensors
5%
helicopters
5%
formulations
5%
estimates
5%
ice
5%
propellants
5%
orbitals
5%
computational aeroacoustics
5%
methodology
5%
retrograde orbits
5%
aeroacoustics
5%
trajectory optimization
5%
Mathematics
Actuator
8%
Aircraft
8%
Design
6%
Helicopter
6%
Piezoelectric
6%
Simulation
6%
Unmanned Aerial Vehicle
6%
Controller
5%
Robot
5%
Sensor
5%
Model
5%