File size: 8,128 Bytes
5154c4e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 | #!/usr/bin/env python3
from __future__ import annotations
import cmath
import math
import re
from pathlib import Path
ROOT = Path("/home/user/Desktop")
ONE_P_HZ = 9.0 / 60.0
EXPECTED = (
12.214448,
88.000774,
7.204646,
0.230884,
1.874851,
)
REL_TOL = 2.0e-3
ABS_TOL = 2.0e-5
def read(path: Path) -> str:
return path.read_text(encoding="utf-8", errors="ignore")
def close(
actual: float,
expected: float,
rel_tol: float = REL_TOL,
abs_tol: float = ABS_TOL,
) -> bool:
return math.isfinite(actual) and abs(actual - expected) <= max(
abs_tol, rel_tol * max(1.0, abs(expected))
)
def parameter(text: str, name: str) -> str:
match = re.search(
rf"^\s*(\S+).*?\s{re.escape(name)}\s+-",
text,
re.MULTILINE,
)
if not match:
raise ValueError(f"missing parameter {name}")
return match.group(1).strip('"').rstrip(",")
def output_metrics(path: Path) -> tuple[float, float]:
lines = read(path).splitlines()
if "at commit v5.0.0" not in "\n".join(lines[:5]):
raise ValueError("output was not generated by OpenFAST 5.0.0")
header_index = next(
index
for index, line in enumerate(lines)
if line.split()[:1] == ["Time"]
)
headers = lines[header_index].split()
units = lines[header_index + 1].split()
time_i = headers.index("Time")
wind_i = headers.index("Wind1VelX")
speed_i = headers.index("RotSpeed")
power_i = headers.index("RtAeroPwr")
if (
units[time_i] != "(s)"
or units[wind_i] != "(m/s)"
or units[speed_i] != "(rpm)"
or units[power_i] != "(W)"
):
raise ValueError("unexpected native OpenFAST units")
rows: list[list[float]] = []
for line in lines[header_index + 2 :]:
fields = line.split()
if len(fields) != len(headers):
continue
try:
rows.append([float(value) for value in fields])
except ValueError:
continue
if len(rows) != 301:
raise ValueError("incorrect output sample count")
for index, row in enumerate(rows):
if not close(
row[time_i],
index / 10.0,
rel_tol=0.0,
abs_tol=2.0e-8,
):
raise ValueError("output timestamps are not 0.1-second samples")
if not close(row[wind_i], 8.0, rel_tol=0.0, abs_tol=2.0e-6):
raise ValueError("output wind speed is not fixed at 8 m/s")
if not close(row[speed_i], 9.0, rel_tol=0.0, abs_tol=2.0e-6):
raise ValueError("rotor speed is not fixed at 9 rpm")
samples = [
(row[time_i], row[power_i] / 1000.0)
for row in rows[100:]
]
if len(samples) != 201:
raise ValueError("incorrect 10-to-30-second sample count")
mean = sum(value for _, value in samples) / len(samples)
std = math.sqrt(
sum((value - mean) ** 2 for _, value in samples)
/ len(samples)
)
coefficient = sum(
(value - mean)
* cmath.exp(-2j * math.pi * ONE_P_HZ * time)
for time, value in samples
)
amplitude = 2.0 * abs(coefficient) / len(samples)
return std, amplitude
def parse_summary(
path: Path,
) -> tuple[float, float, float, float, float]:
rows = [line.strip() for line in read(path).splitlines() if line.strip()]
if len(rows) != 1:
raise ValueError("summary must contain exactly one row")
values = tuple(float(field.strip()) for field in rows[0].split(","))
if len(values) != 5 or not all(math.isfinite(value) for value in values):
raise ValueError("summary must contain five finite values")
return values
def normalize_shadow_parameter(text: str) -> str:
updated, count = re.subn(
r"(?m)^\s*\S+(\s+TwrShadow\s+-.*)$",
r"<TwrShadow>\1",
text,
)
if count != 1:
raise ValueError("expected exactly one TwrShadow parameter")
return updated
def check() -> bool:
required = (
"build_case.py",
"postprocess.py",
"elasto_shadow.dat",
"aero_notower.dat",
"aero_tower.dat",
"case_notower.fst",
"case_tower.fst",
"case_notower.out",
"case_tower.out",
"case_notower.log",
"case_tower.log",
"summary.txt",
"5MW_Baseline/NRELOffshrBsline5MW_InflowWind_Steady8mps.dat",
)
if any(
not (ROOT / name).is_file() or (ROOT / name).stat().st_size == 0
for name in required
):
return False
inflow = read(
ROOT
/ "5MW_Baseline/NRELOffshrBsline5MW_InflowWind_Steady8mps.dat"
)
if (
parameter(inflow, "WindType") != "1"
or parameter(inflow, "HWindSpeed") != "8"
):
return False
elasto = read(ROOT / "elasto_shadow.dat")
rigid_dofs = (
"FlapDOF1",
"FlapDOF2",
"EdgeDOF",
"PitchDOF",
"TeetDOF",
"DrTrDOF",
"GenDOF",
"YawDOF",
"TwFADOF1",
"TwFADOF2",
"TwSSDOF1",
"TwSSDOF2",
)
if any(parameter(elasto, name) != "False" for name in rigid_dofs):
return False
if (
parameter(elasto, "RotSpeed") != "9.0"
or parameter(elasto, "OverHang") != "20.0"
or '"../5MW_Baseline/' in elasto
):
return False
no_tower_aero = read(ROOT / "aero_notower.dat")
tower_aero = read(ROOT / "aero_tower.dat")
if (
parameter(no_tower_aero, "TwrShadow") != "0"
or parameter(tower_aero, "TwrShadow") != "1"
or parameter(no_tower_aero, "Wake_Mod") != "1"
or parameter(tower_aero, "Wake_Mod") != "1"
or '"../5MW_Baseline/' in no_tower_aero
or '"../5MW_Baseline/' in tower_aero
or '"RtAeroPwr"' not in no_tower_aero
or '"RtAeroPwr"' not in tower_aero
or normalize_shadow_parameter(no_tower_aero)
!= normalize_shadow_parameter(tower_aero)
):
return False
for label in ("notower", "tower"):
main = read(ROOT / f"case_{label}.fst")
expected_main = {
"TMax": "30.0",
"DT_Out": "0.1",
"OutFileFmt": "1",
"CompInflow": "1",
"CompAero": "2",
"CompServo": "0",
"EDFile": "elasto_shadow.dat",
"InflowFile": (
"5MW_Baseline/"
"NRELOffshrBsline5MW_InflowWind_Steady8mps.dat"
),
"AeroFile": f"aero_{label}.dat",
}
if any(
parameter(main, name) != value
for name, value in expected_main.items()
):
return False
log = read(ROOT / f"case_{label}.log")
if (
"OpenFAST-v5.0.0" not in log
or "OpenFAST terminated normally." not in log
or "Simulated Time: 30 seconds" not in log
or "FATAL ERROR" in log
or "Tower strike" in log
):
return False
no_tower_std, no_tower_amp = output_metrics(
ROOT / "case_notower.out"
)
tower_std, tower_amp = output_metrics(ROOT / "case_tower.out")
calculated = (
no_tower_std,
tower_std,
tower_std / no_tower_std,
no_tower_amp,
tower_amp,
)
reported = parse_summary(ROOT / "summary.txt")
return (
tower_std > 5.0 * no_tower_std
and all(
close(actual, expected)
for actual, expected in zip(calculated, EXPECTED)
)
and all(
close(actual, expected)
for actual, expected in zip(reported, EXPECTED)
)
and all(
close(
actual,
calculated_value,
rel_tol=0.0,
abs_tol=2.0e-6,
)
for actual, calculated_value in zip(reported, calculated)
)
)
def main() -> int:
try:
result = check()
except Exception:
result = False
print("True" if result else "False")
return 0
if __name__ == "__main__":
raise SystemExit(main())
|