| |
| 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()) |
|
|
