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         \r
  26         public CSlot(){\r
  27                 try {\r
  28                         setLength(Amount.valueOf(70, SI.MILLIMETER));\r
  29                 } catch (PropertyVetoException e) {\r
  30                         e.printStackTrace();\r
  31                 }\r
  32                 generateGeometry();\r
  33         }\r
  34 \r
  35         public Amount<Length> getOD() {\r
  36                 return oD;\r
  37         }\r
  38 \r
  39         public void setOD(Amount<Length> od) throws PropertyVetoException {\r
  40                 this.oD = od;\r
  41                 generateGeometry();\r
  42         }\r
  43         \r
  44         public Amount<Length> getSlotWidth() {\r
  45                 return slotWidth;\r
  46         }\r
  47 \r
  48         public void setSlotWidth(Amount<Length> slotWidth) {\r
  49                 this.slotWidth = slotWidth;\r
  50                 generateGeometry();\r
  51         }\r
  52 \r
  53         public Amount<Length> getSlotDepth() {\r
  54                 return slotDepth;\r
  55         }\r
  56 \r
  57         public void setSlotDepth(Amount<Length> slotDepth) {\r
  58                 this.slotDepth = slotDepth;\r
  59                 generateGeometry();\r
  60         }\r
  61 \r
  62 \r
  63 \r
  64 \r
  65         private void generateGeometry() {\r
  66                 double odmm = oD.doubleValue(SI.MILLIMETER);\r
  67                 double wmm = slotWidth.doubleValue(SI.MILLIMETER);\r
  68                 double dmm = slotDepth.doubleValue(SI.MILLIMETER);\r
  69                 xsection = new BurningShape();\r
  70                 Shape outside = new Ellipse2D.Double(0, 0, odmm, odmm);\r
  71                 xsection.add(outside);\r
  72                 xsection.inhibit(outside);\r
  73                 \r
  74                 double ymm = odmm/2.0 - wmm/2.0; //The Y position of the slot\r
  75                 double xmm = odmm - dmm;\r
  76                 Rectangle2D.Double slot;\r
  77                 slot = new Rectangle2D.Double(xmm, ymm, dmm, wmm);\r
  78                 xsection.subtract(slot);\r
  79                 \r
  80                 double idmm = iD.doubleValue(SI.MILLIMETER);\r
  81                 double idymm = odmm/2.0 - idmm/2.0;\r
  82                 double idxmm = xmm - idmm/2.0;\r
  83                 Ellipse2D.Double id = new Ellipse2D.Double(idxmm, idymm, idmm, idmm);\r
  84                 xsection.subtract(id);\r
  85                 \r
  86                 webThickness = null;\r
  87         }\r
  88         \r
  89         public Amount<Length> getID() {\r
  90                 return iD;\r
  91         }\r
  92 \r
  93         public void setID(Amount<Length> id) {\r
  94                 iD = id;\r
  95                 generateGeometry();\r
  96         }\r
  97 \r
  98         public static void main(String args[]) throws Exception {\r
  99                 CSlot e = new CSlot();\r
 100                 new Editor(e).showAsWindow();\r
 101                 new GrainPanel(e).showAsWindow();\r
 102         }\r
 103         \r
 104         public void validate() throws ValidationException{\r
 105                 if ( oD.equals(Amount.ZERO) )\r
 106                         throw new ValidationException(this, "Invalid oD");\r
 107                 if ( getLength().equals(Amount.ZERO) )\r
 108                         throw new ValidationException(this, "Invalid Length");\r
 109         }\r
 110 \r
 111 }\r