修正test_mql事件窗口插值诊断

PythonModels/components/amesim_pneumatic.py

@@ -70,6 +70,24 @@ class AmesimPneumaticGas:
             )
         )
 
+    def pressure_transport_enthalpy(
+        self,
+        pressure: float,
+        temperature: float,
+        reference_pressure: float = 101_300.0,
+        reference_temperature: float = 298.15,
+    ) -> float:
+        """Convert AMESim reference enthalpy to the absolute-energy state basis."""
+        return (
+            self.pressure_reference_enthalpy(
+                pressure,
+                temperature,
+                reference_pressure,
+                reference_temperature,
+            )
+            + self.cp * reference_temperature
+        )
+
     def temperature_from_internal_energy(self, specific_internal_energy: float) -> float:
         if self.cv <= 0.0:
             raise ValueError("cv must be positive.")

PythonModels/scripts/run_test_mql_full_state_comparison.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import argparse
+from bisect import bisect_left
 from dataclasses import dataclass, field
 from datetime import UTC, datetime
 from math import nextafter, sqrt
@@ -492,6 +493,8 @@ class TestMqlPnvoEventWindowSampleDiagnostic:
     data_paths: tuple[str, ...]
     python_values_by_data_path: dict[str, float]
     amesim_values_by_data_path: dict[str, float]
+    amesim_sample_left_time_s: float
+    amesim_sample_right_time_s: float
     pnl0001_rhs_diagnostics: tuple[TestMqlPnl0001LineRhsDiagnostic, ...] = field(
         default_factory=tuple
     )
@@ -517,6 +520,10 @@ class TestMqlPnvoEventWindowSampleDiagnostic:
         TestMqlPnch012EnergyEquationDiagnostic, ...
     ] = field(default_factory=tuple)
 
+    @property
+    def amesim_values_are_interpolated(self) -> bool:
+        return self.amesim_sample_left_time_s != self.amesim_sample_right_time_s
+
     def abs_error(self, data_path: str) -> float:
         return abs(
             self.python_values_by_data_path[data_path]
@@ -929,6 +936,27 @@ def _series_one_sided_differences_at(
     return backward, forward
 
 
+def _series_sample_bracket(
+    *,
+    times: tuple[float, ...] | list[float],
+    time_s: float,
+) -> tuple[float, float]:
+    if not times:
+        raise ValueError("at least one sample time is required")
+    index = bisect_left(times, time_s)
+    tolerance = 1.0e-12 * max(1.0, abs(time_s))
+    for candidate_index in (index - 1, index):
+        if 0 <= candidate_index < len(times):
+            candidate_time = times[candidate_index]
+            if abs(candidate_time - time_s) <= tolerance:
+                return candidate_time, candidate_time
+    if index <= 0:
+        return times[0], times[0]
+    if index >= len(times):
+        return times[-1], times[-1]
+    return times[index - 1], times[index]
+
+
 def _reference_enthalpy_flow_for_node_port(
     *,
     gas: AmesimPneumaticGas,
@@ -2157,12 +2185,18 @@ def run_test_mql_pnvo_event_window_diagnostic(
                 time_s=sample_time,
             ),
         )
+        (
+            amesim_sample_left_time_s,
+            amesim_sample_right_time_s,
+        ) = _series_sample_bracket(times=amesim_results.times, time_s=sample_time)
         sample_diagnostics.append(
             TestMqlPnvoEventWindowSampleDiagnostic(
                 time_s=sample_time,
                 data_paths=data_paths,
                 python_values_by_data_path=python_sample_values,
                 amesim_values_by_data_path=amesim_sample_values,
+                amesim_sample_left_time_s=amesim_sample_left_time_s,
+                amesim_sample_right_time_s=amesim_sample_right_time_s,
                 pnl0001_rhs_diagnostics=pnl0001_rhs_diagnostics,
                 pnl0001_pressure_loss_diagnostics=pnl0001_pressure_loss_diagnostics,
                 pnvo_flow_parameter_diagnostics=pnvo_flow_parameter_diagnostics,
@@ -2224,7 +2258,17 @@ def format_test_mql_pnvo_event_window_summary(
     if diagnostic.sample_diagnostics:
         lines.append("Sample comparisons:")
         for sample in diagnostic.sample_diagnostics:
-            lines.append(f"  t={sample.time_s}")
+            if sample.amesim_values_are_interpolated:
+                amesim_sample_source = (
+                    "linear-interpolation@"
+                    f"{sample.amesim_sample_left_time_s}"
+                    f"..{sample.amesim_sample_right_time_s}"
+                )
+            else:
+                amesim_sample_source = f"exact@{sample.amesim_sample_left_time_s}"
+            lines.append(
+                f"  t={sample.time_s} (amesim={amesim_sample_source})"
+            )
             for data_path in sample.data_paths:
                 lines.append(
                     f"    - {data_path}: "