前端进度条性能优化、仿真结束后后处理优化；后端C代码生成流程优化：先识别来源，再按照已知未知量需求排序，最后局部求解

app/simulation/components/experimental/storage/cylinder.py

@@ -6,12 +6,13 @@ from app.simulation.core.catalog import ComponentDisplaySpec, PortDisplaySpec
 from app.simulation.core.metadata import ParameterDefinition, THERMODYNAMIC_VOLUME_RESULT_VARIABLES
 from app.simulation.core.medium import IdealGasMedium
 from app.simulation.core.ports import PortDefinition
+from app.simulation.core.port_computation import THERMODYNAMIC_SUPPLY
 
 class Cylinder(ThermodynamicVolumeComponent):
     """Python port of ModelicaModels.Mycylinder."""
     MODEL_TYPE = 'cylinder'
     MODEL_VERSION = '1.0.0'
-    PORTS = (PortDefinition.pneumatic('port_b', nominal_role='outlet'),)
+    PORTS = (PortDefinition.pneumatic('port_b', nominal_role='outlet', computation=THERMODYNAMIC_SUPPLY),)
     PARAMETERS = (ParameterDefinition('volume', 0.01, label='容积', quantity='volume', unit='m3', minimum=0.0, minimum_exclusive=True), ParameterDefinition('p0', 35000000.0, label='初始压力', quantity='pressure', unit='Pa', minimum=0.0, minimum_exclusive=True), ParameterDefinition('T0', 300.0, label='初始温度', quantity='temperature', unit='K', minimum=0.0, minimum_exclusive=True))
     RESULT_VARIABLES = THERMODYNAMIC_VOLUME_RESULT_VARIABLES
     DISPLAY = ComponentDisplaySpec(label='气瓶', library_id='experimental', category_id='storage', symbol='cylinder', ports=(PortDisplaySpec('port_b', 'right'),), order=10)