Glossary
2D | Two-dimensional |
3D | Three-dimensional |
AGL | Above ground level |
AHSE | Aero-hydro-servo-elastic |
AMD | Active mass damper |
ANSYS® | ANSYS® finite element analysis (FEA) package |
AOA | Angle of attack |
AWEA | American Wind Energy Association |
AZ | Atmospheric corrosion zone |
BEMT | Beam element momentum theory |
BOS | Balance of station |
CA | Corrosion allowance |
CAD/CAM | Computer-aided design/manufacturing |
CAE | Computer-aided engineering |
CFD | Computational fluid dynamics |
CM | Center of mass |
COD | Co-directional wave and wind |
CP | Cathodic protection |
CPS | Corrosion protection system |
CVA | Certification and verification agency |
DAF | Dynamic amplification factor |
DEL | Damage equivalent load |
DES | Damage equivalent stress |
DLC | Design load case |
Table Continued |
DOF | Degree of freedom |
ECD | Extreme coherent gust with direction change |
ECM | Extreme current model |
EDC | Extreme direction change |
EOG | Extreme operating gust |
ESS | Extreme sea state |
ETM | Extreme turbulence model |
EWH | Extreme wave height |
EWLR | Extreme water level range |
EWM | Extreme wind speed model |
EWS | Extreme wind shear |
FA | Fore-aft |
FAST v8 | CAE tool created by National Renewable Energy Laboratory (NREL) |
FEA | Finite element analysis |
FEED | Front-end engineering design |
FLS | Fatigue limit state |
FWVM | Free wake vortex method |
GA | Genetic algorithm |
GBF | Gravity-based foundation |
GBO | Gradient-based optimization |
GDW | Generalized dynamic wake |
GFRP | Glass fiber-reinforced polymer |
GMNIA | Geometrically and materially non-linear analyses with imperfection modes |
HSWL | Highest still-water level |
HSWL | Lowest still-water level |
ICCP | Impressed current cathodic protection |
IP | Intellectual property |
IPC | Independent pitch control |
ISO | International Standardization Organization |
IZ | Intermediate corrosion zone |
LCOE | Levelized cost of energy |
LF | Load factor |
LRFD | Load resistance factor design |
Table Continued |
MIC | Microbiologically influenced corrosion |
MIS | Misaligned |
MP | Monopile |
MSL | Mean sea level |
MTMD | Multiple tuned mass damper |
MUL | Multi-directional wave directions |
NCM | Normal current model |
NREL | National Renewable Energy Laboratory |
NSS | Normal sea state |
NTM | Normal turbulence model |
NWLR | Normal water level range |
NWP | Normal wind profile |
NZ | Nacelle corrosion zone |
O&G | Oil and gas |
O&M | Operation and maintenance |
OC3 | Offshore code comparison collaboration |
OC4 | Offshore code comparison collaboration continuation |
OD | Outer diameter |
OEM | Original equipment manufacturer |
OTM | Overturning moment |
OWT | Offshore wind turbine |
PSD | Power spectral density |
PSF | Partial safety factor |
RC | Reinforced concrete |
RNA | Rotor nacelle assembly |
RP | Return period |
RSR | Reserve strength ratio |
RWH | Reduced wave height |
RWM | Reduced wind speed model |
SbS | Substructure |
SCF | Stress concentration factor |
SLS | Serviceability limit state |
SO | Structural optimization |
Table Continued |
SRB | Sulfate-reducing bacteria |
SS | Side–side |
SSI | Soil–structure interaction |
SSS | Severe sea state |
SSt | Support structure |
SWH | Severe wave height |
SWL | Still-water level |
SZ | splash corrosion zone |
TLCD | Tuned liquid column damper |
TLP | Tension-leg platform |
TMD | Tuned mass damper |
TP | Transition piece |
ULS | Ultimate limit state |
UNI | Unidirectional wave |
UZ | Underwater corrosion zone |
WTG | Wind turbine generator |
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