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

   1 package com.billkuker.rocketry.motorsim.grain;\r
   2 \r
   3 import java.awt.Shape;\r
   4 import java.awt.geom.Ellipse2D;\r
   5 import java.awt.geom.Rectangle2D;\r
   6 import java.beans.PropertyVetoException;\r
   7 \r
   8 import javax.measure.quantity.Length;\r
   9 import javax.measure.unit.SI;\r
  10 \r
  11 import org.jscience.physics.amount.Amount;\r
  12 \r
  13 import com.billkuker.rocketry.motorsim.Validating;\r
  14 import com.billkuker.rocketry.motorsim.grain.util.BurningShape;\r
  15 import com.billkuker.rocketry.motorsim.grain.util.ExtrudedShapeGrain;\r
  16 import com.billkuker.rocketry.motorsim.visual.Editor;\r
  17 import com.billkuker.rocketry.motorsim.visual.GrainPanel;\r
  18 \r
  19 public class CSlot extends ExtrudedShapeGrain implements Validating {\r
  20 \r
  21         private Amount<Length> oD = Amount.valueOf(30, SI.MILLIMETER);\r
  22         private Amount<Length> iD = Amount.valueOf(0, SI.MILLIMETER);\r
  23         private Amount<Length> slotWidth = Amount.valueOf(5, SI.MILLIMETER);\r
  24         private Amount<Length> slotDepth = Amount.valueOf(15, SI.MILLIMETER);\r
  25         private Amount<Length> slotOffset = Amount.valueOf(0, SI.MILLIMETER);\r
  26 \r
  27         public CSlot(){\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         public Amount<Length> getOD() {\r
  37                 return oD;\r
  38         }\r
  39 \r
  40         public void setOD(Amount<Length> od) throws PropertyVetoException {\r
  41                 this.oD = od;\r
  42                 generateGeometry();\r
  43         }\r
  44         \r
  45         public Amount<Length> getSlotWidth() {\r
  46                 return slotWidth;\r
  47         }\r
  48 \r
  49         public void setSlotWidth(Amount<Length> slotWidth) {\r
  50                 this.slotWidth = slotWidth;\r
  51                 generateGeometry();\r
  52         }\r
  53 \r
  54         public Amount<Length> getSlotDepth() {\r
  55                 return slotDepth;\r
  56         }\r
  57 \r
  58         public void setSlotDepth(Amount<Length> slotDepth) {\r
  59                 this.slotDepth = slotDepth;\r
  60                 generateGeometry();\r
  61         }\r
  62 \r
  63         public Amount<Length> getSlotOffset() {\r
  64                 return slotOffset;\r
  65         }\r
  66 \r
  67         public void setSlotOffset(Amount<Length> slotOffset) {\r
  68                 this.slotOffset = slotOffset;\r
  69                 generateGeometry();\r
  70         }\r
  71 \r
  72         private void generateGeometry() {\r
  73                 double odmm = oD.doubleValue(SI.MILLIMETER);\r
  74                 double wmm = slotWidth.doubleValue(SI.MILLIMETER);\r
  75                 double dmm = slotDepth.doubleValue(SI.MILLIMETER);\r
  76                 xsection = new BurningShape();\r
  77                 Shape outside = new Ellipse2D.Double(0, 0, odmm, odmm);\r
  78                 xsection.add(outside);\r
  79                 xsection.inhibit(outside);\r
  80                 \r
  81                 double offmm = slotOffset.doubleValue(SI.MILLIMETER);\r
  82                 \r
  83                 double ymm = odmm/2.0 - wmm/2.0 - offmm; //The Y position of the slot\r
  84                 double xmm = odmm - dmm; //X pos of slot\r
  85                 Rectangle2D.Double slot;\r
  86                 slot = new Rectangle2D.Double(xmm, ymm, dmm, wmm);\r
  87                 xsection.subtract(slot);\r
  88                 \r
  89                 double idmm = iD.doubleValue(SI.MILLIMETER);\r
  90                 double idymm = odmm/2.0 - idmm/2.0 - offmm; //y pos of id\r
  91                 double idxmm = xmm - idmm/2.0; //x pos of id\r
  92                 Ellipse2D.Double id = new Ellipse2D.Double(idxmm, idymm, idmm, idmm);\r
  93                 xsection.subtract(id);\r
  94                 \r
  95                 webThickness = null;\r
  96         }\r
  97         \r
  98         public Amount<Length> getID() {\r
  99                 return iD;\r
 100         }\r
 101 \r
 102         public void setID(Amount<Length> id) {\r
 103                 iD = id;\r
 104                 generateGeometry();\r
 105         }\r
 106 \r
 107         public static void main(String args[]) throws Exception {\r
 108                 CSlot e = new CSlot();\r
 109                 new Editor(e).showAsWindow();\r
 110                 new GrainPanel(e).showAsWindow();\r
 111         }\r
 112         \r
 113         public void validate() throws ValidationException{\r
 114                 if ( oD.equals(Amount.ZERO) )\r
 115                         throw new ValidationException(this, "Invalid oD");\r
 116                 if ( getLength().equals(Amount.ZERO) )\r
 117                         throw new ValidationException(this, "Invalid Length");\r
 118         }\r
 119 \r
 120 }\r