File size: 7,068 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 | #!/usr/bin/env python3
from __future__ import annotations
import math
import re
from pathlib import Path
ROOT = Path("/home/user/Desktop")
EXPECTED = (0.0, 39.9, 0.071472)
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, 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")
power_i = headers.index("GenPwr")
speed_i = headers.index("RotSpeed")
pitch_indices = [
headers.index(f"BldPitch{blade}")
for blade in (1, 2, 3)
]
if (
units[time_i] != "(s)"
or units[power_i] != "(kW)"
or units[speed_i] != "(rpm)"
or any(units[index] != "(deg)" for index in pitch_indices)
):
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) != 901:
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")
shutdown_rows = rows[200:]
if abs(rows[199][power_i]) < 100.0:
raise ValueError("generator was already disconnected before 20 seconds")
power_time = next(
row[time_i] - 20.0
for row in shutdown_rows
if abs(row[power_i]) < 100.0
)
feather_time = next(
row[time_i] - 20.0
for row in shutdown_rows
if all(row[index] >= 89.9 for index in pitch_indices)
)
for row in shutdown_rows:
pitches = [row[index] for index in pitch_indices]
if max(pitches) - min(pitches) > 2.0e-6:
raise ValueError("blade pitch trajectories are not collective")
if any(
not close(rows[-1][index], 90.0, rel_tol=0.0, abs_tol=2.0e-6)
for index in pitch_indices
):
raise ValueError("final blade pitch is not 90 degrees")
return power_time, feather_time, abs(rows[-1][speed_i])
def parse_summary(path: Path) -> tuple[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) != 3 or not all(math.isfinite(value) for value in values):
raise ValueError("summary must contain three finite values")
return values
def check() -> bool:
required = (
"build_case.py",
"postprocess.py",
"inflow_shutdown.dat",
"elasto_shutdown.dat",
"aero_shutdown.dat",
"servo_shutdown.dat",
"shutdown_case.fst",
"shutdown_case.out",
"shutdown_case.log",
"summary.txt",
)
if any(
not (ROOT / name).is_file() or (ROOT / name).stat().st_size == 0
for name in required
):
return False
inflow = read(ROOT / "inflow_shutdown.dat")
expected_inflow = {
"WindType": "1",
"HWindSpeed": "15.0",
}
if any(
parameter(inflow, name) != value
for name, value in expected_inflow.items()
):
return False
elasto = read(ROOT / "elasto_shutdown.dat")
if parameter(elasto, "RotSpeed") != "12.1":
return False
if '"../5MW_Baseline/' in elasto:
return False
if any(
f'"{channel}"' not in elasto
for channel in ("BldPitch1", "BldPitch2", "BldPitch3", "RotSpeed")
):
return False
if '"../5MW_Baseline/' in read(ROOT / "aero_shutdown.dat"):
return False
servo = read(ROOT / "servo_shutdown.dat")
expected_servo = {
"GenTiStp": "True",
"TimGenOf": "20.0",
"HSSBrMode": "0",
"TPitManS(1)": "20.0",
"TPitManS(2)": "20.0",
"TPitManS(3)": "20.0",
"PitManRat(1)": "2.0",
"PitManRat(2)": "2.0",
"PitManRat(3)": "2.0",
"BlPitchF(1)": "90.0",
"BlPitchF(2)": "90.0",
"BlPitchF(3)": "90.0",
}
if any(
parameter(servo, name) != value
for name, value in expected_servo.items()
):
return False
if '"GenPwr"' not in servo or '"../5MW_Baseline/' in servo:
return False
main = read(ROOT / "shutdown_case.fst")
expected_main = {
"TMax": "90.0",
"DT_Out": "0.1",
"OutFileFmt": "1",
"EDFile": "elasto_shutdown.dat",
"InflowFile": "inflow_shutdown.dat",
"AeroFile": "aero_shutdown.dat",
"ServoFile": "servo_shutdown.dat",
}
if any(
parameter(main, name) != value
for name, value in expected_main.items()
):
return False
log = read(ROOT / "shutdown_case.log")
if (
"OpenFAST-v5.0.0" not in log
or "OpenFAST terminated normally." not in log
or "Simulated Time: 90 seconds" not in log
or "FATAL ERROR" in log
):
return False
calculated = output_metrics(ROOT / "shutdown_case.out")
reported = parse_summary(ROOT / "summary.txt")
return (
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())
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