Engineering & Materials Science
Rotors
100%
Helicopters
74%
Aircraft
63%
Acoustics
47%
Aerodynamics
45%
Unmanned aerial vehicles (UAV)
42%
Trajectories
36%
Airfoils
36%
Orbits
32%
Computational fluid dynamics
32%
Vortex flow
31%
Composite materials
30%
Controllers
28%
Damping
27%
Actuators
26%
Spacecraft
25%
Ice
25%
Aeroacoustics
24%
Helicopter rotors
24%
Turbines
24%
Sensors
23%
Uncertainty
22%
Boundary layers
22%
Noise abatement
22%
Fluidics
20%
Turbulence
20%
Landing
20%
Nozzles
20%
Testing
19%
Experiments
19%
Reynolds number
19%
Wind turbines
19%
Computer simulation
19%
Computational aeroacoustics
18%
Robots
18%
Dynamical systems
17%
Drag
17%
Navigation
17%
Acoustic noise
17%
Air
17%
Slings
16%
Geometry
16%
Antennas
16%
Carbon nanotubes
16%
Flight dynamics
15%
Turbomachine blades
15%
Ships
15%
Earth (planet)
15%
Fans
15%
Collision avoidance
14%
Heat transfer
14%
Satellites
14%
Acoustic waves
14%
Mach number
14%
Flow fields
13%
NASA
12%
Wind tunnels
12%
Neural networks
12%
Probability density function
12%
Temperature
11%
Extended Kalman filters
11%
Takeoff
11%
Fuselages
10%
Nanocomposites
10%
Fluids
10%
Students
10%
Propulsion
10%
Stiffness
10%
Moon
10%
Euler equations
9%
Snow and ice removal
9%
Flight paths
9%
Laminar flow
9%
Polynomials
9%
Radiation
9%
Vibration control
9%
Engines
9%
Hot Temperature
9%
Control systems
9%
Feedback
9%
Hypersonic aerodynamics
9%
Amplification
9%
Cameras
9%
Turbulence models
9%
Kalman filters
9%
Physics
8%
Decomposition
8%
Momentum
8%
Robotics
8%
Costs
8%
Scattering
8%
Axial flow
8%
Orbital transfer
8%
Airframes
8%
Flight control systems
8%
Flight envelopes
8%
Energy harvesting
8%
Torque
8%
Global positioning system
8%
Boundary conditions
8%
Physics & Astronomy
maneuvers
17%
spacecraft
15%
orbits
14%
simulation
14%
trajectories
13%
optimization
13%
low thrust
12%
flight
10%
acoustics
10%
thrust
10%
noise prediction
10%
rotary wing aircraft
10%
jet aircraft noise
10%
vehicles
10%
performance
9%
predictions
8%
aircraft
8%
vibration
8%
rotors
8%
actuators
7%
wind turbines
7%
aerodynamics
7%
nozzles
7%
damping
6%
transfer orbits
6%
three body problem
6%
Kalman filters
6%
debris
6%
collocation
6%
situational awareness
5%
low Earth orbits
5%
airfoils
5%
helicopters
5%
sensors
5%
formulations
5%
estimates
5%
ice
5%
propellants
5%
orbitals
5%
computational aeroacoustics
5%
methodology
5%
retrograde orbits
5%
aeroacoustics
5%
trajectory optimization
5%
heat transfer
5%
Mathematics
Actuator
8%
Aircraft
8%
Design
6%
Helicopter
6%
Piezoelectric
6%
Simulation
6%
Unmanned Aerial Vehicle
6%
Robot
6%
Controller
5%
Sensor
5%
Model
5%
Vibration
5%