整合求解器活动监控与步长回归证据
同步远端 PNL0003 诊断和大采样网格能力，语义合并活动感知的 60 秒真停滞判定与旧后端 15 分钟兼容兜底。 纳管热路径优化、15 单元运行证据、浏览器与 API 报告，并补充北京时间更新日志和遗留问题。
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@@ -1,13 +1,42 @@
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from __future__ import annotations
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import unittest
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from math import sqrt
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from math import log10, sqrt
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from unittest.mock import patch
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from app.simulation.components.amesim.flow.pipes import AmesimPnl0001
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from app.simulation.components.amesim.flow.pipes import (
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AmesimPnl0001,
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AmesimPnl0002,
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AmesimPnl00r,
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)
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from app.simulation.core.medium import IdealGasMedium
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from app.simulation.registry import COMPONENT_MODEL_REGISTRY
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class _ScaledReynoldsPnl0001(AmesimPnl0001):
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def __init__(self, *args, reynolds_scale: float, **kwargs) -> None:
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super().__init__(*args, **kwargs)
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self.reynolds_scale = float(reynolds_scale)
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self.reynolds_calls: list[tuple[float, float]] = []
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def reynolds_number(self, mass_flow: float, temperature: float) -> float:
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self.reynolds_calls.append((mass_flow, temperature))
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return self.reynolds_scale * super().reynolds_number(
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mass_flow,
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temperature,
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)
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class _DelegatingFrictionPnl0001(AmesimPnl0001):
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def __init__(self, *args, **kwargs) -> None:
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super().__init__(*args, **kwargs)
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self.friction_reynolds: list[float] = []
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def friction_factor(self, reynolds_number: float) -> float:
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self.friction_reynolds.append(reynolds_number)
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return super().friction_factor(reynolds_number)
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class AmesimPnl0001ComponentTests(unittest.TestCase):
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def setUp(self) -> None:
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self.medium = IdealGasMedium()
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@@ -103,6 +132,176 @@ class AmesimPnl0001ComponentTests(unittest.TestCase):
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self.assertEqual(pipe.mass_flow(15.3e6, 15.3e6 + 2.0e-9, 293.15), 0.0)
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def test_overridden_reynolds_number_is_called_on_every_iteration(self) -> None:
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slow_reynolds = _ScaledReynoldsPnl0001(
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"slow_reynolds",
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self.medium,
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reynolds_scale=0.25,
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)
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fast_reynolds = _ScaledReynoldsPnl0001(
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"fast_reynolds",
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self.medium,
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reynolds_scale=4.0,
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)
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options = {
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"upstream_pressure": 2.0e6,
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"downstream_pressure": 1.0e6,
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"upstream_temperature": 300.0,
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"resistance_length": 1.0,
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"max_iterations": 4,
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}
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slow_flow = slow_reynolds._one_way_pn2pipefr_mass_flow(**options)
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fast_flow = fast_reynolds._one_way_pn2pipefr_mass_flow(**options)
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self.assertEqual(len(slow_reynolds.reynolds_calls), 4)
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self.assertEqual(len(fast_reynolds.reynolds_calls), 4)
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self.assertTrue(
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all(
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temperature == 300.0
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for _mass_flow, temperature in slow_reynolds.reynolds_calls
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)
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)
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self.assertLess(slow_flow, fast_flow)
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def test_zero_iterations_does_not_evaluate_dynamic_viscosity(self) -> None:
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pipe = AmesimPnl0001("pnl_1", self.medium)
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original = IdealGasMedium.dynamic_viscosity
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with (
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patch.object(
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IdealGasMedium,
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"dynamic_viscosity",
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autospec=True,
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side_effect=original,
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) as dynamic_viscosity,
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patch(
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"app.simulation.components.amesim.flow.pipes.log10",
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side_effect=log10,
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) as logarithm,
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):
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flow = pipe._one_way_pn2pipefr_mass_flow(
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upstream_pressure=2.0e6,
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downstream_pressure=1.0e6,
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upstream_temperature=300.0,
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resistance_length=1.0,
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max_iterations=0,
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)
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self.assertGreater(flow, 0.0)
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dynamic_viscosity.assert_not_called()
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logarithm.assert_not_called()
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def test_builtin_iterations_evaluate_dynamic_viscosity_once(self) -> None:
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pipe = AmesimPnl0001("pnl_1", self.medium)
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original = IdealGasMedium.dynamic_viscosity
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with patch.object(
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IdealGasMedium,
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"dynamic_viscosity",
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autospec=True,
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side_effect=original,
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) as dynamic_viscosity:
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flow = pipe._one_way_pn2pipefr_mass_flow(
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upstream_pressure=2.0e6,
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downstream_pressure=1.0e6,
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upstream_temperature=300.0,
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resistance_length=1.0,
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max_iterations=4,
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)
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self.assertGreater(flow, 0.0)
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dynamic_viscosity.assert_called_once_with(self.medium, 300.0)
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def test_builtin_fixed_point_evaluates_fully_rough_term_once(self) -> None:
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options = {
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"upstream_pressure": 2.0e6,
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"downstream_pressure": 1.0e6,
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"upstream_temperature": 300.0,
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"resistance_length": 1.0,
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"max_iterations": 4,
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}
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pipes = (
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AmesimPnl00r("pnl_00r", self.medium, rr=1.0e-5),
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AmesimPnl0001("pnl_0001", self.medium, rr=1.0e-5),
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AmesimPnl0002("pnl_0002", self.medium, rr=1.0e-5),
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)
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for pipe in pipes:
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with self.subTest(model=type(pipe).__name__):
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with patch(
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"app.simulation.components.amesim.flow.pipes.log10",
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side_effect=log10,
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) as logarithm:
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flow = AmesimPnl0001._one_way_pn2pipefr_mass_flow(
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pipe,
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**options,
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)
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self.assertGreater(flow, 0.0)
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fully_rough_argument = pipe.rr / 3.7
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self.assertEqual(
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sum(
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call.args == (fully_rough_argument,)
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for call in logarithm.call_args_list
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),
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1,
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)
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self.assertEqual(logarithm.call_count, 5)
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def test_overridden_friction_factor_keeps_virtual_iteration_path(self) -> None:
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pipe = _DelegatingFrictionPnl0001(
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"custom_friction",
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self.medium,
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rr=1.0e-5,
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)
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with patch(
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"app.simulation.components.amesim.flow.pipes.log10",
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side_effect=log10,
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) as logarithm:
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flow = pipe._one_way_pn2pipefr_mass_flow(
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upstream_pressure=2.0e6,
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downstream_pressure=1.0e6,
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upstream_temperature=300.0,
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resistance_length=1.0,
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max_iterations=4,
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)
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self.assertGreater(flow, 0.0)
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self.assertEqual(len(pipe.friction_reynolds), 4)
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self.assertEqual(logarithm.call_count, 8)
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def test_precomputed_fully_rough_path_is_bitwise_identical_by_regime(
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self,
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) -> None:
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for index, downstream_pressure in enumerate(
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(1_999_999.999, 1_999_990.0, 1_999_900.0, 1.0e6)
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):
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with self.subTest(downstream_pressure=downstream_pressure):
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built_in = AmesimPnl0001(
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f"built_in_{index}",
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self.medium,
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rr=1.0e-5,
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)
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virtual = _DelegatingFrictionPnl0001(
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f"virtual_{index}",
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self.medium,
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rr=1.0e-5,
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)
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options = {
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"upstream_pressure": 2.0e6,
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"downstream_pressure": downstream_pressure,
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"upstream_temperature": 300.0,
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"resistance_length": 1.0,
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"max_iterations": 4,
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}
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actual = built_in._one_way_pn2pipefr_mass_flow(**options)
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expected = virtual._one_way_pn2pipefr_mass_flow(**options)
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self.assertEqual(actual.hex(), expected.hex())
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def test_pressure_flow_residuals_do_not_force_storage_mass_balance(self) -> None:
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pipe = AmesimPnl0001("pnl_1", self.medium)
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pipe.port_1.p = 101000.0
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