| from __future__ import annotations |
|
|
| import json |
| from pathlib import Path |
|
|
| import h5py |
| import numpy as np |
|
|
| from src.t4_structural_dynamics import analytical_first_frequency, load_config |
| from src.load_t4_structural_dynamics import load_trajectory, trajectory_ids |
|
|
|
|
| ROOT = Path(__file__).resolve().parents[1] |
| DATA = ROOT / "data" / "t4_structural_dynamics_pilot" |
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|
|
|
| def test_t4_analytical_frequency_is_reproducible(): |
| config = load_config() |
| assert np.isclose(analytical_first_frequency(config), 41.126088262057024) |
| assert config["software"]["agentfem_commit"].startswith("882de08") |
|
|
|
|
| def test_t4_quality_gates_pass(): |
| quality = json.loads((DATA / "quality.json").read_text(encoding="utf-8")) |
| assert quality["passed"] is True |
| assert all(quality["gates"].values()) |
| assert quality["trajectory_count"] == 4 |
| assert quality["finest_first_frequency_relative_error"] < 0.01 |
| assert quality["last_modal_mesh_relative_change"] < 0.002 |
| assert quality["time_refinement_tip_history_relative_l2"] < 0.03 |
| assert quality["maximum_energy_balance_relative_residual"] < 0.02 |
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|
|
|
| def test_t4_pilot_schema_fields_and_sensor_histories_are_finite(): |
| with h5py.File(DATA / "pilot.h5", "r") as h5: |
| assert h5.attrs["schema"] == "agentfem.physics-data.structural-dynamics-pilot" |
| assert h5.attrs["schema_version"] == "0.1.0" |
| assert int(h5.attrs["trajectory_count"]) == 4 |
| assert h5["common/reference_geometry_m"].shape == (245, 3) |
| assert h5["common/topology"].shape == (48, 9) |
| assert h5["common/sensor_coordinates_m"].shape == (5, 2) |
| assert set(h5["trajectories"]) == { |
| "half_sine_pulse", |
| "sub_resonant_sine", |
| "near_resonant_sine", |
| "chirp", |
| } |
| for group in h5["trajectories"].values(): |
| assert group["time_s"].shape == (2001,) |
| assert group["sensor_displacement_m"].shape == (2001, 5) |
| assert group["fields/time_s"].shape == (201,) |
| assert group["fields/displacement_m"].shape == (201, 245, 3) |
| assert group["fields/velocity_m_per_s"].shape == (201, 245, 3) |
| assert group["fields/acceleration_m_per_s2"].shape == (201, 245, 3) |
| assert float(group.attrs["energy_balance_reference_j_per_m"]) > 0.0 |
| for dataset in ( |
| "force_scale", |
| "sensor_displacement_m", |
| "strain_energy_j_per_m", |
| "kinetic_energy_j_per_m", |
| "external_work_j_per_m", |
| "damping_dissipation_j_per_m", |
| "energy_balance_relative_residual", |
| "fields/displacement_m", |
| "fields/velocity_m_per_s", |
| "fields/acceleration_m_per_s2", |
| ): |
| assert np.all(np.isfinite(group[dataset][...])) |
|
|
|
|
| def test_t4_lightweight_reader_loads_one_complete_trajectory(): |
| ids = trajectory_ids() |
| assert ids == ( |
| "chirp", |
| "half_sine_pulse", |
| "near_resonant_sine", |
| "sub_resonant_sine", |
| ) |
| sample = load_trajectory("chirp") |
| assert sample["arrays"]["sensor_displacement_m"].shape == (2001, 5) |
| assert sample["arrays"]["displacement_m"].shape == (201, 245, 3) |
|
|
