Engineering & Materials Science
Rocks
100%
Boreholes
65%
Hydraulics
65%
Fluids
61%
Drilling
48%
Hydraulic fracturing
35%
Cracks
29%
Toughness
28%
Directional drilling
26%
Pore pressure
26%
Viscosity
15%
Experiments
14%
Indentation
13%
Integral equations
13%
Stick-slip
12%
Drag
11%
Shale
11%
Pressurization
9%
Fracture mechanics
9%
Granite
9%
Porous materials
8%
Crack tips
8%
Compressibility
8%
Trajectories
7%
Lubrication
7%
Differential equations
7%
Bottom-hole assembly
6%
Elasticity
6%
Structural dynamics
6%
Sedimentary rocks
6%
Plastics
6%
Boundary value problems
6%
Mechanics
6%
Water injection
5%
Partial differential equations
5%
Stiffness
5%
Boundary element method
5%
Tunnels
5%
Numerical models
5%
Ordinary differential equations
5%
Dynamic analysis
5%
Computer simulation
5%
Boundary layers
5%
Compressive strength
5%
Boundary conditions
5%
Feedback control
5%
Edge dislocations
5%
Earth & Environmental Sciences
hydraulic fracturing
59%
rock
52%
drilling
30%
crack
22%
fluid
21%
poroelasticity
19%
stress field
16%
indentation
16%
pore pressure
16%
Biot theory
14%
plane strain
12%
test
11%
modeling
10%
rock mechanics
9%
viscosity
9%
cavity
9%
compressibility
8%
drag
8%
in situ stress
8%
fracture propagation
8%
fluid injection
8%
fracture initiation
8%
energy
7%
parameter
7%
penetration
7%
analysis
7%
rate
7%
atoll
6%
failure mechanism
6%
shale
6%
simulation
6%
fluid pressure
6%
tunnel
6%
discrete element method
6%
stiffness
6%
effect
6%
heater
6%
excavation
5%
nuclear test
5%
material
5%
vibration
5%
plastic
5%
stick-slip
5%
transition
5%
hydraulics
5%
Mathematics
Hydraulics
42%
Fluid
24%
Drilling
20%
Propagation
18%
Toughness
15%
Plane Strain
14%
Formulation
11%
Modeling
10%
Crack
10%
Injection
9%
Poroelasticity
9%
Structural Dynamics
7%
Dimensionless
7%
Model
7%
State-dependent Delay
7%
Blade
6%
Asymptotic Solution
6%
Interaction
6%
Discrete Elements
6%
Boundary Element Method
6%
Simulation
5%
Influence
5%
Elastica
5%
Penetration
5%