| from pathlib import Path |
| import traceback |
|
|
| DESKTOP = Path(r"C:\Users\user\Desktop") |
| DB_FILE = DESKTOP / "apdl_plate.db" |
| RESULT_FILE = DESKTOP / "apdl_plate.rst" |
| EXEC_FILE = r"C:\Program Files\ANSYS Inc\v261\ansys\bin\winx64\ANSYS261.exe" |
| JOBNAME = "eval_apdl_plate" |
| MAPDL_PORT = 50102 |
|
|
|
|
| def is_nonempty_file(path: Path) -> bool: |
| return path.exists() and path.is_file() and path.stat().st_size > 0 |
|
|
|
|
| def allsel(mapdl) -> None: |
| mapdl.run("ALLSEL,ALL") |
|
|
|
|
| def node_at(mapdl, x: float, y: float, tol: float = 1e-3) -> int: |
| allsel(mapdl) |
| mapdl.nsel("S", "LOC", "X", x - tol, x + tol) |
| mapdl.nsel("R", "LOC", "Y", y - tol, y + tol) |
| node = int(mapdl.get_value("NODE", 0, "NUM", "MIN")) |
| allsel(mapdl) |
| if node < 1: |
| raise RuntimeError("Node not found.") |
| return node |
|
|
|
|
| def sort_max(mapdl, item: str, comp: str = "") -> float: |
| if comp: |
| mapdl.run(f"NSORT,{item},{comp},0,1,ALL") |
| else: |
| mapdl.run(f"NSORT,{item},,0,1,ALL") |
| return float(mapdl.get_value("SORT", 0, "MAX")) |
|
|
|
|
| def reaction_fy_on_x(mapdl, x: float, tol: float = 1e-3) -> float: |
| allsel(mapdl) |
| mapdl.nsel("S", "LOC", "X", x - tol, x + tol) |
| cnt = int(mapdl.get_value("NODE", 0, "COUNT")) |
| print('cnt@x',x,cnt) |
| if cnt < 1: |
| raise RuntimeError("No support nodes selected.") |
| mapdl.fsum() |
| fy = float(mapdl.get_value("FSUM", 0, "ITEM", "FY")) |
| allsel(mapdl) |
| return fy |
|
|
|
|
| def _coord_span(arr, axis: int): |
| values = [float(v[axis]) for v in arr] |
| return min(values), max(values) |
|
|
|
|
| def _within(value: float, target: float, tol: float) -> bool: |
| return abs(value - target) <= tol |
|
|
|
|
| def _check_bounds_from_instruction(mapdl) -> bool: |
| nodes = mapdl.mesh.nodes |
| if nodes is None or len(nodes) < 2: |
| print('bounds no nodes') |
| return False |
| xmin, xmax = _coord_span(nodes, 0) |
| ymin, ymax = _coord_span(nodes, 1) |
| zmin, zmax = _coord_span(nodes, 2) |
| ok = _within(xmin, 0.0, 1e-2) and _within(xmax, 50.0, 1e-1) and _within(ymin, 0.0, 1e-2) and _within(ymax, 1.0, 1e-1) |
| print('bounds', xmin,xmax,ymin,ymax,zmin,zmax,'->',ok) |
| return ok |
|
|
|
|
| def evaluate(): |
| if any(not is_nonempty_file(p) for p in [DB_FILE, RESULT_FILE]): |
| print('missing files') |
| return False |
|
|
| from ansys.mapdl.core import launch_mapdl |
| mapdl = launch_mapdl(exec_file=EXEC_FILE, jobname=JOBNAME, run_location=str(DESKTOP), nproc=1, port=MAPDL_PORT, override=True) |
| try: |
| mapdl.resume(DB_FILE.stem, "db") |
| if not _check_bounds_from_instruction(mapdl): |
| print('FAIL: bounds') |
| return False |
| mapdl.post1() |
| mapdl.file(RESULT_FILE.stem, RESULT_FILE.suffix.lstrip('.')) |
| try: |
| mapdl.set('LAST') |
| except Exception: |
| mapdl.set(1,1) |
|
|
| center = node_at(mapdl, x=0.0, y=1.0) |
| pred = { |
| 'center_top_uy_mm': float(mapdl.get_value('NODE', center, 'U', 'Y')), |
| 'max_seqv_mpa': sort_max(mapdl, 'S', 'EQV'), |
| 'clamped_reaction_fy_n': reaction_fy_on_x(mapdl, x=50.0), |
| } |
| print('pred', pred) |
|
|
| for key, val in pred.items(): |
| x=float(val) |
| lk=key.lower() |
| if "temp" in lk and not (-1000.0 <= x <= 5000.0): |
| print('FAIL temp',key,x); return False |
| if "freq" in lk and not (x > 0.0): |
| print('FAIL freq',key,x); return False |
| if "reaction" in lk and abs(x) < 1e-9: |
| print('FAIL reaction',key,x); return False |
| if ("uy" in lk or "uz" in lk or "ux" in lk or "rot" in lk) and not (-1e6 <= x <= 1e6): |
| print('FAIL disp',key,x); return False |
| if ("von_mises" in lk or "seqv" in lk or "stress" in lk) and abs(x) < 1e-9: |
| print('FAIL stress',key,x); return False |
| if "final_time" in lk and not (x > 0.0): |
| print('FAIL time',key,x); return False |
| print('PASS') |
| return True |
| except Exception as e: |
| print('EXC',repr(e)) |
| traceback.print_exc() |
| return False |
| finally: |
| try: mapdl.exit() |
| except Exception: pass |
|
|
| print('True' if evaluate() else 'False') |
|
|
