File size: 800 Bytes
f1564a0 | 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 | from __future__ import annotations
import numpy as np
from src import structural_validate_t2_models as module
def test_notched_bar_geometry_is_positive_and_symmetric() -> None:
nodes, area = module.geometry(12)
assert np.all(np.diff(nodes) > 0.0)
assert np.all(area > 0.0)
np.testing.assert_allclose(area, area[::-1])
def test_native_response_returns_positive_algorithmic_tangent() -> None:
stress, tangent, state = module.native_response(module.material(), None, 0.003)
assert np.isfinite(stress)
assert tangent > 0.0
assert state.equivalent_plastic_strain > 0.0
def test_load_history_contains_reversals() -> None:
history = module.load_history(81)
increments = np.diff(history)
assert np.any(increments > 0.0)
assert np.any(increments < 0.0)
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