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.Validating.ValidationException;
  14 import com.billkuker.rocketry.motorsim.grain.util.BurningShape;
  15 import com.billkuker.rocketry.motorsim.grain.util.RotatedShapeGrain;
  16
  17 public class EndBurner extends RotatedShapeGrain implements Validating {
  18
  19         private Amount<Length> length = Amount.valueOf(70, SI.MILLIMETER);
  20         private Amount<Length> oD = Amount.valueOf(30, SI.MILLIMETER);
  21         private Amount<Length> puntDiameter = Amount.valueOf(10, SI.MILLIMETER);
  22         private Amount<Length> puntDepth = Amount.valueOf(10, SI.MILLIMETER);
  23
  24         private void generateGeometry(){
  25                 double len = length.doubleValue(SI.MILLIMETER);
  26                 double od = oD.doubleValue(SI.MILLIMETER);
  27                 double pdi = puntDiameter.doubleValue(SI.MILLIMETER);
  28                 double plen = puntDepth.doubleValue(SI.MILLIMETER);
  29
  30                 Rectangle2D.Double grain, punt, end;
  31                 grain = new Rectangle2D.Double(0,0,od/2.0,len);
  32                 punt = new Rectangle2D.Double(0,len-plen, pdi/2.0, plen);
  33                 end = new Rectangle2D.Double(0,len,od,0);
  34
  35                 shape = new BurningShape();
  36                 web = null;
  37
  38                 shape.add(grain);
  39                 shape.inhibit(grain);
  40                 shape.subtract(punt);
  41                 shape.subtract(end);
  42         }
  43
  44         public EndBurner(){
  45                 this.addPropertyChangeListener(new PropertyChangeListener(){
  46                         @Override
  47                         public void propertyChange(PropertyChangeEvent evt) {
  48                                 generateGeometry();
  49                         }});
  50                 generateGeometry();
  51         }
  52
  53         @Override
  54         public void validate() throws ValidationException {
  55                 if ( oD.equals(Amount.ZERO) )
  56                         throw new ValidationException(this, "Invalid oD");
  57                 if ( getLength().equals(Amount.ZERO) )
  58                         throw new ValidationException(this, "Invalid Length");
  59                 if ( puntDiameter.isGreaterThan(oD) )
  60                         throw new ValidationException(this, "puntDiameter > oD");
  61                 if ( puntDepth.isGreaterThan(length) )
  62                         throw new ValidationException(this, "puntDepth > length");
  63         }
  64
  65         public Amount<Length> getLength() {
  66                 return length;
  67         }
  68
  69         public void setLength(Amount<Length> length) {
  70                 this.length = length;
  71         }
  72
  73         public Amount<Length> getOD() {
  74                 return oD;
  75         }
  76
  77         public void setOD(Amount<Length> oD) {
  78                 this.oD = oD;
  79         }
  80
  81         public Amount<Length> getPuntDiameter() {
  82                 return puntDiameter;
  83         }
  84
  85         public void setPuntDiameter(Amount<Length> puntDiameter) {
  86                 this.puntDiameter = puntDiameter;
  87         }
  88
  89         public Amount<Length> getPuntDepth() {
  90                 return puntDepth;
  91         }
  92
  93         public void setPuntDepth(Amount<Length> puntDepth) {
  94                 this.puntDepth = puntDepth;
  95         }
  96
  97 }