Show some results without running a simulation

This commit makes it so some fast-to-calculate fields of the results widget (propellant length and mass, volume loading, P/T ratio, and initial Kn) are populated after any motor edit rather than just after running a simulation, when possible.

motorlib/motor.py

@@ -175,7 +175,7 @@ def runSimulation(self, callback=None):
         simRes.channels['exitPressure'].addData(0)
         simRes.channels['dThroat'].addData(0)
 
-        # Check port/throat ratio and add a warning if it is large enough
+        # Check port/throat ratio and add a warning if it is not large enough
         aftPort = self.grains[-1].getPortArea(0)
         if aftPort is not None:
             minAllowed = self.config.getProperty('minPortThroat')
@@ -281,3 +281,41 @@ def runSimulation(self, callback=None):
                     break
 
         return simRes
+
+    def getQuickResults(self):
+        results = {
+            'volumeLoading': 0,
+            'initialKn': 0,
+            'propellantMass': 0,
+            'portRatio': 0,
+            'length': 0
+        }
+
+        simRes = SimulationResult(self)
+
+        density = self.propellant.getProperty('density') if self.propellant is not None else None
+        throatArea = self.nozzle.getThroatArea()
+        motorVolume = self.calcTotalVolume()
+
+        if motorVolume == 0:
+            return results
+
+        # Generate coremaps for perforated grains
+        for grain in self.grains:
+            for alert in grain.getGeometryErrors():
+                if alert.level == SimAlertLevel.ERROR:
+                    return results
+
+            grain.simulationSetup(self.config)
+
+        perGrainReg = [0 for grain in self.grains]
+
+        results['volumeLoading'] = 100 * (1 - (self.calcFreeVolume(perGrainReg) / motorVolume))
+        if throatArea != 0:
+            results['initialKn'] = self.calcKN(perGrainReg, 0)
+            results['portRatio'] = simRes.getPortRatio()
+        if density is not None:
+            results['propellantMass'] = sum([grain.getVolumeAtRegression(0) * density for grain in self.grains])
+        results['length'] = simRes.getPropellantLength()
+
+        return results

uilib/widgets/mainWindow.py

@@ -1,4 +1,5 @@
 import sys
+from threading import Thread
 
 from PyQt6.QtWidgets import QWidget, QMainWindow, QTableWidgetItem, QHeaderView, QTableWidget
 from PyQt6.QtCore import Qt
@@ -32,6 +33,7 @@ def __init__(self, app):
 
         self.app.fileManager.fileNameChanged.connect(self.updateWindowTitle)
         self.app.fileManager.newMotor.connect(self.resetOutput)
+        self.app.fileManager.newMotor.connect(self.getQuickResults)
 
         self.app.importExportManager.motorImported.connect(self.motorImported)
 
@@ -318,6 +320,19 @@ def updateMotorStats(self, simResult):
             self.ui.labelPeakMassFlux.setText('-')
         self.ui.labelDeliveredThrustCoefficient.setText(self.formatMotorStat(simResult.getAdjustedThrustCoefficient(), ''))
 
+    def getQuickResults(self, motor):
+        thread = lambda: self.showQuickResults(motor.getQuickResults())
+
+        dataThread = Thread(target=thread)
+        dataThread.start()
+
+    def showQuickResults(self, results):
+        self.ui.labelVolumeLoading.setText('{:.2f}%'.format(results['volumeLoading']))
+        self.ui.labelInitialKN.setText(self.formatMotorStat(results['initialKn'], ''))
+        self.ui.labelPropellantLength.setText(self.formatMotorStat(results['length'], 'm'))
+        self.ui.labelPropellantMass.setText(self.formatMotorStat(results['propellantMass'], 'kg'))
+        self.ui.labelPortThroatRatio.setText(self.formatMotorStat(results['portRatio'], ''))
+
     def runSimulation(self):
         self.resetOutput()
         cm = self.app.fileManager.getCurrentMotor()
@@ -356,6 +371,8 @@ def loadMotor(self, path=None):
         self.disablePropSelector()
         if self.app.fileManager.load(path):
             self.postLoadUpdate()
+             # Needed because postLoadUpdate clears results
+            self.getQuickResults(self.app.fileManager.getCurrentMotor())
         self.enablePropSelector()
         self.ui.motorEditor.close()