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[refactor][cleanup] refactored optimization.parameters.StabilityParameter -- shortened function, and removed deprecated function call

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This commit is contained in:
Daniel_M_Williams 2020-08-23 21:29:32 -04:00
parent 7c72f3a231
commit 728964531b
1 changed files with 20 additions and 30 deletions
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42
core/src/net/sf/openrocket/optimization/rocketoptimization/parameters/StabilityParameter.java
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@ -44,57 +44,47 @@ public class StabilityParameter implements OptimizableParameter {
@Override
public double computeValue(Simulation simulation) throws OptimizationException {
Coordinate cp, cg;
double cpx, cgx;
double stability;
log.debug("Calculating stability of simulation, absolute=" + absolute);
/*
* These are instantiated each time because this class must be thread-safe.
* Caching would in any case be inefficient since the rocket changes all the time.
*/
AerodynamicCalculator aerodynamicCalculator = new BarrowmanCalculator();
FlightConfiguration configuration = simulation.getRocket().getSelectedConfiguration();
FlightConditions conditions = new FlightConditions(configuration);
final AerodynamicCalculator aerodynamicCalculator = new BarrowmanCalculator();
final FlightConfiguration configuration = simulation.getActiveConfiguration();
final FlightConditions conditions = new FlightConditions(configuration);
conditions.setMach(Application.getPreferences().getDefaultMach());
conditions.setAOA(0);
conditions.setRollRate(0);
cp = aerodynamicCalculator.getWorstCP(configuration, conditions, null);
// worst case CM is also
cg = MassCalculator.calculateLaunch(configuration).getCM();
final Coordinate cp = aerodynamicCalculator.getWorstCP(configuration, conditions, null);
// the launch CM is the worst case CM
final Coordinate cg = MassCalculator.calculateLaunch(configuration).getCM();
double cpx = Double.NaN;
if (cp.weight > 0.000001)
cpx = cp.x;
else
cpx = Double.NaN;
double cgx = Double.NaN;
if (cg.weight > 0.000001)
cgx = cg.x;
else
cgx = Double.NaN;
// Calculate the reference (absolute or relative)
stability = cpx - cgx;
final double stability_absolute = cpx - cgx;
if (!absolute) {
if (absolute) {
return stability_absolute;
} else {
double diameter = 0;
for (RocketComponent c : configuration.getActiveComponents()) {
for (RocketComponent c : configuration.getActiveInstances().keySet()) {
if (c instanceof SymmetricComponent) {
double d1 = ((SymmetricComponent) c).getForeRadius() * 2;
double d2 = ((SymmetricComponent) c).getAftRadius() * 2;
final double d1 = ((SymmetricComponent) c).getForeRadius() * 2;
final double d2 = ((SymmetricComponent) c).getAftRadius() * 2;
diameter = MathUtil.max(diameter, d1, d2);
}
}
stability = stability / diameter;
return stability_absolute / diameter;
}
log.debug("Resulting stability is " + stability + ", absolute=" + absolute);
return stability;
}
@Override