git.gag.com Git - sw/motorsim/blob - src/com/billkuker/rocketry/motorsim/grain/EndBurner.java

   1 package com.billkuker.rocketry.motorsim.grain;
   2
   3 import java.awt.geom.Rectangle2D;
   4 import java.beans.PropertyChangeEvent;
   5 import java.beans.PropertyChangeListener;
   6
   7 import javax.measure.quantity.Length;
   8 import javax.measure.unit.SI;
   9
  10 import org.jscience.physics.amount.Amount;
  11
  12 import com.billkuker.rocketry.motorsim.Validating;
  13 import com.billkuker.rocketry.motorsim.grain.util.BurningShape;
  14 import com.billkuker.rocketry.motorsim.grain.util.RotatedShapeGrain;
  15
  16 public class EndBurner extends RotatedShapeGrain implements Validating {
  17
  18         private Amount<Length> length = Amount.valueOf(70, SI.MILLIMETER);
  19         private Amount<Length> oD = Amount.valueOf(30, SI.MILLIMETER);
  20         private Amount<Length> puntDiameter = Amount.valueOf(10, SI.MILLIMETER);
  21         private Amount<Length> puntDepth = Amount.valueOf(10, SI.MILLIMETER);
  22
  23         private void generateGeometry(){
  24                 double len = length.doubleValue(SI.MILLIMETER);
  25                 double od = oD.doubleValue(SI.MILLIMETER);
  26                 double pdi = puntDiameter.doubleValue(SI.MILLIMETER);
  27                 double plen = puntDepth.doubleValue(SI.MILLIMETER);
  28
  29                 Rectangle2D.Double grain, punt, end;
  30                 grain = new Rectangle2D.Double(0,0,od/2.0,len);
  31                 punt = new Rectangle2D.Double(0,len-plen, pdi/2.0, plen);
  32                 end = new Rectangle2D.Double(0,len,od,0);
  33
  34                 shape = new BurningShape();
  35                 web = null;
  36
  37                 shape.add(grain);
  38                 shape.inhibit(grain);
  39                 shape.subtract(punt);
  40                 shape.subtract(end);
  41         }
  42
  43         public EndBurner(){
  44                 this.addPropertyChangeListener(new PropertyChangeListener(){
  45                         @Override
  46                         public void propertyChange(PropertyChangeEvent evt) {
  47                                 generateGeometry();
  48                         }});
  49                 generateGeometry();
  50         }
  51
  52         @Override
  53         public void validate() throws ValidationException {
  54                 if ( oD.equals(Amount.ZERO) )
  55                         throw new ValidationException(this, "Invalid oD");
  56                 if ( getLength().equals(Amount.ZERO) )
  57                         throw new ValidationException(this, "Invalid Length");
  58                 if ( puntDiameter.isGreaterThan(oD) )
  59                         throw new ValidationException(this, "puntDiameter > oD");
  60                 if ( puntDepth.isGreaterThan(length) )
  61                         throw new ValidationException(this, "puntDepth > length");
  62         }
  63
  64         public Amount<Length> getLength() {
  65                 return length;
  66         }
  67
  68         public void setLength(Amount<Length> length) {
  69                 this.length = length;
  70         }
  71
  72         public Amount<Length> getOD() {
  73                 return oD;
  74         }
  75
  76         public void setOD(Amount<Length> oD) {
  77                 this.oD = oD;
  78         }
  79
  80         public Amount<Length> getPuntDiameter() {
  81                 return puntDiameter;
  82         }
  83
  84         public void setPuntDiameter(Amount<Length> puntDiameter) {
  85                 this.puntDiameter = puntDiameter;
  86         }
  87
  88         public Amount<Length> getPuntDepth() {
  89                 return puntDepth;
  90         }
  91
  92         public void setPuntDepth(Amount<Length> puntDepth) {
  93                 this.puntDepth = puntDepth;
  94         }
  95
  96 }