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[Minor] added exception throws upon detected invalid inertia values during simulation.

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This commit is contained in:
Daniel_M_Williams 2016-09-25 11:29:34 -04:00
parent f5e3baa003
commit 6698dbfc67
1 changed files with 10 additions and 0 deletions
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10
core/src/net/sf/openrocket/masscalc/MassCalculator.java
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@ -14,6 +14,7 @@ import net.sf.openrocket.rocketcomponent.ParallelStage;
import net.sf.openrocket.rocketcomponent.RocketComponent; import net.sf.openrocket.rocketcomponent.RocketComponent;
import net.sf.openrocket.simulation.MotorClusterState; import net.sf.openrocket.simulation.MotorClusterState;
import net.sf.openrocket.simulation.SimulationStatus; import net.sf.openrocket.simulation.SimulationStatus;
import net.sf.openrocket.util.BugException;
import net.sf.openrocket.util.Coordinate; import net.sf.openrocket.util.Coordinate;
import net.sf.openrocket.util.MathUtil; import net.sf.openrocket.util.MathUtil;
import net.sf.openrocket.util.Monitorable; import net.sf.openrocket.util.Monitorable;
@ -368,6 +369,15 @@ public class MassCalculator implements Monitorable {
Coordinate compCM = component.getComponentCG(); Coordinate compCM = component.getComponentCG();
double compIx = component.getRotationalUnitInertia() * compCM.weight; double compIx = component.getRotationalUnitInertia() * compCM.weight;
double compIt = component.getLongitudinalUnitInertia() * compCM.weight; double compIt = component.getLongitudinalUnitInertia() * compCM.weight;
if( 0 > compCM.weight ){
throw new BugException(" computed a negative rotational inertia value.");
}
if( 0 > compIx ){
throw new BugException(" computed a negative rotational inertia value.");
}
if( 0 > compIt ){
throw new BugException(" computed a negative longitudinal inertia value.");
}
if (!component.getOverrideSubcomponents()) { if (!component.getOverrideSubcomponents()) {
if (component.isMassOverridden()) if (component.isMassOverridden())