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

   1 package com.billkuker.rocketry.motorsim.grain;\r
   2 \r
   3 import java.awt.Shape;\r
   4 import java.awt.geom.AffineTransform;\r
   5 import java.awt.geom.Ellipse2D;\r
   6 import java.awt.geom.Rectangle2D;\r
   7 import java.beans.PropertyVetoException;\r
   8 \r
   9 import javax.measure.quantity.Length;\r
  10 import javax.measure.unit.SI;\r
  11 \r
  12 import org.jscience.physics.amount.Amount;\r
  13 \r
  14 import com.billkuker.rocketry.motorsim.Validating;\r
  15 import com.billkuker.rocketry.motorsim.grain.util.BurningShape;\r
  16 import com.billkuker.rocketry.motorsim.grain.util.ExtrudedShapeGrain;\r
  17 import com.billkuker.rocketry.motorsim.visual.Editor;\r
  18 import com.billkuker.rocketry.motorsim.visual.GrainPanel;\r
  19 \r
  20 public class Finocyl extends ExtrudedShapeGrain implements Validating {\r
  21         private Amount<Length> oD = Amount.valueOf(30, SI.MILLIMETER);\r
  22         private Amount<Length> iD = Amount.valueOf(10, SI.MILLIMETER);\r
  23         private Amount<Length> finWidth = Amount.valueOf(2, SI.MILLIMETER);\r
  24         private Amount<Length> finDiameter = Amount.valueOf(20, SI.MILLIMETER);\r
  25         private int finCount = 5;\r
  26         \r
  27         public Finocyl(){\r
  28                 try {\r
  29                         setLength(Amount.valueOf(70, SI.MILLIMETER));\r
  30                 } catch (PropertyVetoException e) {\r
  31                         e.printStackTrace();\r
  32                 }\r
  33                 generateGeometry();\r
  34         }\r
  35         \r
  36         private void generateGeometry(){\r
  37                 double odmm = oD.doubleValue(SI.MILLIMETER);\r
  38                 double idmm = iD.doubleValue(SI.MILLIMETER);\r
  39                 double fwmm = finWidth.doubleValue(SI.MILLIMETER);\r
  40                 double fdmm = finDiameter.doubleValue(SI.MILLIMETER);\r
  41                 \r
  42                 xsection = new BurningShape();\r
  43                 Shape outside = new Ellipse2D.Double(-odmm/2, -odmm/2, odmm, odmm);\r
  44                 xsection.add(outside);\r
  45                 xsection.inhibit(outside);\r
  46                 xsection.subtract(new Ellipse2D.Double(-idmm/2, -idmm/2, idmm, idmm));\r
  47                 webThickness = null;\r
  48                 \r
  49                 for ( int i = 0; i < finCount; i++ ){\r
  50                         Shape fin = new Rectangle2D.Double(-fwmm/2,0,fwmm,fdmm/2);\r
  51                         xsection.subtract(fin, AffineTransform.getRotateInstance(i*(2.0*Math.PI/finCount)));\r
  52                 }\r
  53         }\r
  54         \r
  55         public Amount<Length> getOD() {\r
  56                 return oD;\r
  57         }\r
  58 \r
  59         public void setOD(Amount<Length> od) throws PropertyVetoException {\r
  60                 if (od.equals(this.oD))\r
  61                         return;\r
  62                 this.oD = od;\r
  63                 generateGeometry();\r
  64         }\r
  65 \r
  66         public Amount<Length> getID() {\r
  67                 return iD;\r
  68         }\r
  69 \r
  70         public void setID(Amount<Length> id) throws PropertyVetoException {\r
  71                 if (id.equals(this.iD))\r
  72                         return;\r
  73                 iD = id;\r
  74                 generateGeometry();\r
  75         }\r
  76         \r
  77         public Amount<Length> getFinWidth() {\r
  78                 return finWidth;\r
  79         }\r
  80 \r
  81         public void setFinWidth(Amount<Length> finWidth) throws PropertyVetoException {\r
  82                 if (finWidth.equals(this.finWidth))\r
  83                         return;\r
  84                 this.finWidth = finWidth;\r
  85                 generateGeometry();\r
  86         }\r
  87         \r
  88         \r
  89         public Amount<Length> getFinDiameter() {\r
  90                 return finDiameter;\r
  91         }\r
  92 \r
  93         public void setFinDiameter(Amount<Length> finDiameter) throws PropertyVetoException {\r
  94                 if (finDiameter.equals(this.finDiameter))\r
  95                         return;\r
  96                 this.finDiameter = finDiameter;\r
  97                 generateGeometry();\r
  98         }\r
  99         \r
 100         \r
 101         public int getFinCount() {\r
 102                 return finCount;\r
 103         }\r
 104 \r
 105         public void setFinCount(int finCount) throws PropertyVetoException {\r
 106                 if (finCount==this.finCount)\r
 107                         return;\r
 108                 this.finCount = finCount;\r
 109                 generateGeometry();\r
 110         }\r
 111         \r
 112         public static void main(String args[]) throws Exception {\r
 113                 Finocyl e = new Finocyl();\r
 114                 new Editor(e).showAsWindow();\r
 115                 new GrainPanel(e).showAsWindow();\r
 116         }\r
 117         \r
 118         @Override\r
 119         public void validate() throws ValidationException{\r
 120                 if ( iD.equals(Amount.ZERO) )\r
 121                         throw new ValidationException(this, "Invalid iD");\r
 122                 if ( oD.equals(Amount.ZERO) )\r
 123                         throw new ValidationException(this, "Invalid oD");\r
 124                 if ( getLength().equals(Amount.ZERO) )\r
 125                         throw new ValidationException(this, "Invalid Length");\r
 126                 if ( iD.isGreaterThan(oD) )\r
 127                         throw new ValidationException(this, "iD > oD");         \r
 128         }\r
 129 }\r