优化仿真求解性能并修复流量闭合问题（初版）

app/simulation/components/amesim/flow/orifices.py

@@ -58,6 +58,7 @@ class AmesimPnor001(AlgebraicComponent):
 
     MODEL_TYPE = "amesim_pnor001"
     MODEL_VERSION = "0.3.0"
+    PRESSURE_FLOW_DEPENDS_ON_STREAM = True
     PORTS = (
         PortDefinition.pneumatic("port_1", nominal_role="bidirectional"),
         PortDefinition.pneumatic("port_2", nominal_role="bidirectional"),
@@ -462,6 +463,7 @@ class AmesimPnvo001FixedOpening(AlgebraicComponent):
 
     MODEL_TYPE = "amesim_pnvo001_fixed"
     MODEL_VERSION = "0.2.0"
+    PRESSURE_FLOW_DEPENDS_ON_STREAM = True
     PORTS = (
         PortDefinition.pneumatic("port_2", nominal_role="bidirectional"),
         PortDefinition.pneumatic("port_3", nominal_role="bidirectional"),
@@ -698,7 +700,7 @@ class AmesimPnvo001FixedOpening(AlgebraicComponent):
 
     def mass_flow(self, p_2: float, p_3: float) -> float:
         if (
-            isclose(p_2, p_3, rel_tol=1.0e-7, abs_tol=1.0e-9)
+            isclose(p_2, p_3, rel_tol=0.0, abs_tol=1.0e-8)
             or self.effective_area == 0.0
         ):
             return 0.0
@@ -885,6 +887,7 @@ class AmesimPnvo001SignalOpening(AmesimPnvo001FixedOpening):
 
     MODEL_TYPE = "amesim_pnvo001"
     MODEL_VERSION = "0.2.0"
+    PRESSURE_FLOW_DEPENDS_ON_STREAM = True
     PORTS = (
         PortDefinition.signal("res", nominal_role="input"),
         PortDefinition.pneumatic("port_2", nominal_role="bidirectional"),