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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 | #!/usr/bin/env python3
from __future__ import annotations
import csv
import math
import re
import subprocess
from pathlib import Path
ROOT = Path("/home/user/Desktop")
CASE = ROOT / "porous"
RHO = 1000.0
def read(path: Path) -> str:
return path.read_text(encoding="utf-8", errors="ignore")
def named_block(text: str, name: str) -> str:
text = re.sub(r"/\*.*?\*/|//[^\n]*", "", text, flags=re.S)
match = re.search(rf"(?m)^\s*{re.escape(name)}\s*\{{", text)
if not match:
raise ValueError(f"missing block {name}")
start = text.find("{", match.start())
depth = 0
for index in range(start, len(text)):
depth += text[index] == "{"
depth -= text[index] == "}"
if depth == 0:
return text[start + 1 : index]
raise ValueError(f"unterminated block {name}")
def has_entry(block: str, key: str, value: str) -> bool:
return re.search(rf"(?<!\w){re.escape(key)}\s+{value}\s*;", block) is not None
def patch(text: str, name: str) -> str:
return named_block(named_block(text, "boundaryField"), name)
def zone_labels(text: str, name: str) -> list[int]:
block = named_block(text, name)
match = re.search(r"\bcellLabels\s+List<label>\s+(\d+)\s*\((.*?)\)\s*;", block, re.S)
if not match:
raise ValueError(f"missing labels for zone {name}")
labels = [int(value) for value in match.group(2).split()]
if len(labels) != int(match.group(1)) or len(labels) != len(set(labels)):
raise ValueError("invalid cell-zone labels")
return labels
def field(path: Path, kind: str) -> list:
text = read(path)
header = named_block(text, "FoamFile")
if not (
has_entry(header, "format", r"ascii")
and has_entry(header, "class", rf"vol{kind.capitalize()}Field")
and has_entry(header, "object", re.escape(path.name))
):
raise ValueError(f"field is not ASCII: {path}")
match = re.search(
rf"internalField\s+nonuniform\s+List<{kind}>\s+(\d+)\s*\((.*?)\)\s*;",
text,
re.S,
)
if not match:
raise ValueError(f"missing nonuniform {kind} field")
if kind == "vector":
values = [
tuple(float(value) for value in item.split())
for item in re.findall(r"\(([^()]+)\)", match.group(2))
]
valid = all(
len(value) == 3 and all(math.isfinite(component) for component in value)
for value in values
)
else:
values = [float(value) for value in match.group(2).split()]
valid = all(math.isfinite(value) for value in values)
if len(values) != int(match.group(1)) or not valid:
raise ValueError("field count mismatch")
return values
def log_finished(path: Path) -> bool:
text = read(path)
return "FOAM FATAL" not in text and text.rstrip().endswith("End")
def axial_profile() -> list[tuple[float, float]]:
centres = field(CASE / "500/C", "vector")
pressure = field(CASE / "500/p", "scalar")
velocity = field(CASE / "500/U", "vector")
if not (len(centres) == len(pressure) == len(velocity) == 1000):
raise ValueError("unexpected field count")
stations: dict[float, list[float]] = {}
for point, value in zip(centres, pressure):
stations.setdefault(point[0], []).append(value)
if len(stations) != 100 or any(len(values) != 10 for values in stations.values()):
raise ValueError("unexpected station layout")
if not 0.095 < sum(item[0] for item in velocity) / len(velocity) < 0.105:
raise ValueError("unexpected bulk velocity")
return [(x, sum(values) / len(values)) for x, values in sorted(stations.items())]
def check_case() -> bool:
mesh = read(CASE / "system/blockMeshDict")
velocity = read(CASE / "0/U")
pressure = read(CASE / "0/p")
physical = read(CASE / "constant/physicalProperties")
reference = read(CASE / "constant/referenceProperties")
porosity = read(CASE / "constant/porosityProperties")
topology = read(CASE / "system/topoSetDict")
control = read(CASE / "system/controlDict")
porous_bed = named_block(porosity, "porousBed")
coordinates = named_block(porous_bed, "coordinateSystem")
rotation = named_block(coordinates, "coordinateRotation")
return all(
(
"(1 0.1 0.01)" in mesh,
"(100 10 1)" in mesh,
has_entry(patch(velocity, "inlet"), "value", r"uniform\s+\(0\.1\s+0(?:\.0+)?\s+0(?:\.0+)?\)"),
has_entry(patch(velocity, "outlet"), "type", r"zeroGradient"),
has_entry(patch(velocity, "topBottom"), "type", r"symmetry"),
has_entry(patch(velocity, "frontAndBack"), "type", r"empty"),
has_entry(patch(pressure, "outlet"), "type", r"fixedValue"),
has_entry(patch(pressure, "outlet"), "value", r"uniform\s+0(?:\.0+)?"),
has_entry(patch(pressure, "topBottom"), "type", r"symmetry"),
has_entry(patch(pressure, "frontAndBack"), "type", r"empty"),
re.search(r"\bnu\s+\[0 2 -1 0 0 0 0\]\s+1e-?6\s*;", physical, re.I) is not None,
re.search(r"\brho\s+1000\s*;", reference) is not None,
has_entry(porous_bed, "type", r"DarcyForchheimer"),
has_entry(porous_bed, "cellZone", r"porosity"),
has_entry(porous_bed, "d", r"\(1e8\s+1e8\s+1e8\)"),
has_entry(porous_bed, "f", r"\(1000\s+1000\s+1000\)"),
has_entry(coordinates, "type", r"cartesian"),
has_entry(coordinates, "origin", r"\(0(?:\.0+)?\s+0(?:\.0+)?\s+0(?:\.0+)?\)"),
has_entry(rotation, "e1", r"\(1(?:\.0+)?\s+0(?:\.0+)?\s+0(?:\.0+)?\)"),
has_entry(rotation, "e2", r"\(0(?:\.0+)?\s+1(?:\.0+)?\s+0(?:\.0+)?\)"),
"box (-1 -1 -1) (2 2 2);" in topology,
"application porousSimpleFoam;" in control,
re.search(r"\bendTime\s+500\s*;", control) is not None,
)
)
def check() -> bool:
required = (
ROOT / "build_case.py",
ROOT / "postprocess.py",
ROOT / "summary.txt",
ROOT / "axial_pressure.csv",
CASE / "log.blockMesh",
CASE / "log.checkMesh",
CASE / "log.topoSet",
CASE / "log.porousSimpleFoam",
CASE / "log.writeCellCentres",
CASE / "constant/polyMesh/cellZones",
CASE / "500/C",
CASE / "500/U",
CASE / "500/p",
)
if any(not path.is_file() or path.stat().st_size == 0 for path in required):
return False
mesh_log = read(CASE / "log.checkMesh")
solve_log = read(CASE / "log.porousSimpleFoam")
zones = read(CASE / "constant/polyMesh/cellZones")
if not (
log_finished(CASE / "log.blockMesh")
and log_finished(CASE / "log.topoSet")
and log_finished(CASE / "log.writeCellCentres")
and "Mesh OK." in mesh_log
and log_finished(CASE / "log.checkMesh")
and "Time = 500" in solve_log
and log_finished(CASE / "log.porousSimpleFoam")
and set(zone_labels(zones, "porosity")) == set(range(1000))
):
return False
mesh_check = subprocess.run(
[
"bash",
"--noprofile",
"--norc",
"-c",
"trap - CHLD; . /opt/openfoam11/etc/bashrc && checkMesh -case /home/user/Desktop/porous",
],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
text=True,
timeout=120,
)
if mesh_check.returncode != 0 or "Mesh OK." not in mesh_check.stdout or not check_case():
return False
profile = axial_profile()
delta_p = RHO * (profile[0][1] - profile[-1][1])
rises = sum(
right[1] > left[1] + 1e-6
for left, right in zip(profile, profile[1:])
)
if not (12000.0 < delta_p < 18000.0 and rises <= 5):
return False
with (ROOT / "axial_pressure.csv").open(encoding="utf-8", newline="") as stream:
rows = list(csv.DictReader(stream))
keys = ("x_m", "p_kinematic_m2ps2", "p_pa")
if len(rows) != len(profile) or set(rows[0]) != set(keys):
return False
for row, (x, value) in zip(rows, profile):
actual = tuple(float(row[key]) for key in keys)
expected = (x, value, RHO * value)
if not all(math.isfinite(item) for item in actual) or any(
abs(left - right) > 5e-7 for left, right in zip(actual, expected)
):
return False
lines = [line.strip() for line in read(ROOT / "summary.txt").splitlines() if line.strip()]
if len(lines) != 1:
return False
reported = float(lines[0])
return math.isfinite(reported) and abs(reported - delta_p) <= 5e-7
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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