--- /dev/null
+package com.billkuker.rocketry.motorsim.fuel.editable;\r
+\r
+import java.net.URI;\r
+import java.util.HashMap;\r
+import java.util.Map;\r
+import java.util.NoSuchElementException;\r
+import java.util.SortedMap;\r
+import java.util.TreeMap;\r
+\r
+import javax.measure.quantity.Dimensionless;\r
+import javax.measure.quantity.Pressure;\r
+import javax.measure.quantity.Velocity;\r
+import javax.measure.quantity.VolumetricDensity;\r
+import javax.measure.unit.SI;\r
+\r
+import org.apache.log4j.Logger;\r
+import org.jscience.physics.amount.Amount;\r
+\r
+import com.billkuker.rocketry.motorsim.Fuel;\r
+import com.billkuker.rocketry.motorsim.RocketScience;\r
+import com.billkuker.rocketry.motorsim.fuel.EditableCombustionProduct;\r
+import com.billkuker.rocketry.motorsim.visual.Chart;\r
+\r
+public class EditablePiecewiseLinearFuel implements Fuel{\r
+ private static final Logger log = Logger\r
+ .getLogger(EditablePiecewiseLinearFuel.class);\r
+ private static final Amount<Pressure> ZERO_PRESSURE = Amount.valueOf(0,\r
+ SI.PASCAL);\r
+ private static final Amount<Velocity> ZERO_VELOCITY = Amount.valueOf(0,\r
+ RocketScience.UnitPreference\r
+ .getUnitPreference().getPreferredUnit(SI.METERS_PER_SECOND));\r
+\r
+ private static class Entry implements Comparable<Entry>{\r
+ Amount<Pressure> pressure;\r
+ Amount<Velocity> burnRate;\r
+ @Override\r
+ public int compareTo(Entry o) {\r
+ if ( o.pressure.approximates(pressure) )\r
+ return 0;\r
+ return o.pressure.isGreaterThan(pressure)?-1:1;\r
+ }\r
+ }\r
+\r
+ \r
+ private String name = "New Linear Fuel";\r
+ private URI uri;\r
+ private double combustionEfficiency = .97;\r
+ private double densityRatio = .96;\r
+ private Amount<VolumetricDensity> density = Amount.valueOf(1889, 0, SI.KILOGRAM.divide(SI.METER.pow(3))).to(VolumetricDensity.UNIT);\r
+\r
+ \r
+ private EditableCombustionProduct product = new EditableCombustionProduct();\r
+ private SortedMap<Amount<Pressure>, Entry> entries ;\r
+\r
+ public EditablePiecewiseLinearFuel(){\r
+ clear();\r
+ }\r
+ public void add(final Amount<Pressure> p, final Amount<Velocity> r){\r
+ entries.put(p, new Entry(){{pressure = p; burnRate = r;}});\r
+ }\r
+ \r
+ @Override\r
+ public Amount<Velocity> burnRate(final Amount<Pressure> pressure) {\r
+ if ( pressure.isLessThan(ZERO_PRESSURE) )\r
+ return ZERO_VELOCITY;\r
+ \r
+ if ( entries.size() == 1 ){\r
+ return entries.get(entries.firstKey()).burnRate;\r
+ }\r
+ \r
+ if ( entries.containsKey(pressure) ){\r
+ return entries.get(pressure).burnRate;\r
+ }\r
+ \r
+ Entry low = null;\r
+ low = entries.get(entries.headMap(pressure).lastKey());\r
+ Entry high = null;\r
+ try {\r
+ high = entries.get(entries.tailMap(pressure).firstKey());\r
+ } catch ( NoSuchElementException e ){\r
+ log.warn("Pressure " + pressure + " is outside of expiermental range for " + this.getName());\r
+ high = low;\r
+ low = entries.get(entries.headMap(low.pressure).lastKey());\r
+ }\r
+ \r
+ Amount<Pressure> lowToHigh = high.pressure.minus(low.pressure);\r
+ Amount<Pressure> lowToTarget = pressure.minus(low.pressure);\r
+ Amount<Dimensionless> frac = lowToTarget.divide(lowToHigh).to(Dimensionless.UNIT);\r
+ \r
+ Amount<Velocity> vdiff = high.burnRate.minus(low.burnRate);\r
+ Amount<Velocity> ret = low.burnRate.plus(vdiff.times(frac));\r
+ \r
+ if ( ret.isLessThan(ZERO_VELOCITY) )\r
+ return ZERO_VELOCITY;\r
+ \r
+ return ret;\r
+ \r
+ }\r
+ \r
+ public void clear(){\r
+ entries = new TreeMap<Amount<Pressure>, Entry>();\r
+ add(Amount.valueOf(0,SI.MEGA(SI.PASCAL)), ZERO_VELOCITY);\r
+ }\r
+ \r
+ @Override\r
+ public double getCombustionEfficiency() {\r
+ return combustionEfficiency;\r
+ }\r
+ \r
+\r
+ public void setCombustionEfficiency(double combustionEfficiency) {\r
+ this.combustionEfficiency = combustionEfficiency;\r
+ }\r
+ \r
+ @Override\r
+ public CombustionProduct getCombustionProduct(){\r
+ return product;\r
+ }\r
+ \r
+ public void setCombustionProduct(final CombustionProduct product){\r
+ this.product = (EditableCombustionProduct)product;\r
+ }\r
+ \r
+ @Override\r
+ public double getDensityRatio() {\r
+ return densityRatio;\r
+ }\r
+ \r
+ public void setDensityRatio(double densityRatio) {\r
+ this.densityRatio = densityRatio;\r
+ }\r
+\r
+ @Override\r
+ public Amount<VolumetricDensity> getIdealDensity() {\r
+ return density;\r
+ }\r
+ \r
+ public void setIdealDensity(Amount<VolumetricDensity> density) {\r
+ this.density = density;\r
+ }\r
+\r
+ @Override\r
+ public String getName() {\r
+ return name;\r
+ }\r
+ \r
+ public void setName(String name) {\r
+ this.name = name;\r
+ }\r
+\r
+ @Override\r
+ public URI getURI() {\r
+ return uri;\r
+ }\r
+\r
+\r
+ \r
+ public Map<Amount<Pressure>, Amount<Velocity>> getEntries() {\r
+ HashMap<Amount<Pressure>, Amount<Velocity>> ret = new HashMap<Amount<Pressure>, Amount<Velocity>>();\r
+ for ( Entry e : entries.values() )\r
+ ret.put(e.pressure, e.burnRate);\r
+ return ret;\r
+ }\r
+ \r
+ public void setEntries(Map<Amount<Pressure>, Amount<Velocity>> in) {\r
+ clear();\r
+ for ( Map.Entry<Amount<Pressure>, Amount<Velocity>> e : in.entrySet()){\r
+ add( e.getKey(), e.getValue());\r
+ }\r
+ }\r
+\r
+\r
+ \r
+ public static void main( String args[]) throws Exception{\r
+ EditablePiecewiseLinearFuel f = new EditablePiecewiseLinearFuel();\r
+ f.add(Amount.valueOf(0,SI.MEGA(SI.PASCAL)), Amount.valueOf(2, SI.METERS_PER_SECOND));\r
+ //f.add(Amount.valueOf(2,SI.MEGA(SI.PASCAL)), Amount.valueOf(2, SI.METERS_PER_SECOND));\r
+ //f.add(Amount.valueOf(4,SI.MEGA(SI.PASCAL)), Amount.valueOf(1, SI.METERS_PER_SECOND));\r
+ //f.add(Amount.valueOf(10,SI.MEGA(SI.PASCAL)), Amount.valueOf(3, SI.METERS_PER_SECOND));\r
+ //f.add(Amount.valueOf(20,SI.MEGA(SI.PASCAL)), Amount.valueOf(4, SI.METERS_PER_SECOND));\r
+ Chart<Pressure, Velocity> burnRate = new Chart<Pressure, Velocity>(\r
+ SI.MEGA(SI.PASCAL),\r
+ SI.METERS_PER_SECOND,\r
+ f,\r
+ "burnRate");\r
+ burnRate.setDomain(\r
+ burnRate.new IntervalDomain(\r
+ Amount.valueOf(0, SI.MEGA(SI.PASCAL)),\r
+ Amount.valueOf(11, SI.MEGA(SI.PASCAL)),\r
+ 200\r
+ ));\r
+ \r
+ burnRate.show();\r
+ }\r
+}\r
--- /dev/null
+package com.billkuker.rocketry.motorsim.fuel.editable;\r
+\r
+import java.util.HashMap;\r
+import java.util.Map;\r
+\r
+import javax.measure.quantity.Pressure;\r
+import javax.measure.quantity.VolumetricDensity;\r
+\r
+import org.jscience.physics.amount.Amount;\r
+\r
+import com.billkuker.rocketry.motorsim.fuel.EditableCombustionProduct;\r
+import com.billkuker.rocketry.motorsim.fuel.PiecewiseSaintRobertFuel;\r
+\r
+public class EditablePiecewiseSaintRobertFuel extends PiecewiseSaintRobertFuel {\r
+\r
+ @SuppressWarnings("unchecked")\r
+ private Amount<VolumetricDensity> idealDensity = (Amount<VolumetricDensity>) Amount\r
+ .valueOf("1 g/mm^3");\r
+ \r
+ private double combustionEfficiency = 1;\r
+ private double densityRatio = 1;\r
+ private EditableCombustionProduct cp;\r
+ private String name = "New Fuel";\r
+\r
+ public EditablePiecewiseSaintRobertFuel() {\r
+ super(Type.SI);\r
+ clear();\r
+ cp = new EditableCombustionProduct();\r
+ }\r
+ \r
+ private Map<Amount<Pressure>, Double> aMap;\r
+ private Map<Amount<Pressure>, Double> nMap;\r
+ \r
+ public void clear(){\r
+ super.clear();\r
+ aMap = new HashMap<Amount<Pressure>, Double>();\r
+ nMap = new HashMap<Amount<Pressure>, Double>();\r
+ }\r
+ \r
+ public void setType(Type t){\r
+ super.setType(t);\r
+ }\r
+\r
+ public void add(Amount<Pressure> p, final double _a, final double _n) {\r
+ super.add(p, _a, _n);\r
+ aMap.put(p, _a);\r
+ nMap.put(p, _n);\r
+ }\r
+\r
+ public Amount<VolumetricDensity> getIdealDensity() {\r
+ return idealDensity;\r
+ }\r
+\r
+ public void setIdealDensity(Amount<VolumetricDensity> idealDensity) {\r
+ this.idealDensity = idealDensity;\r
+ }\r
+\r
+ public double getCombustionEfficiency() {\r
+ return combustionEfficiency;\r
+ }\r
+\r
+ public void setCombustionEfficiency(double combustionEfficiency) {\r
+ this.combustionEfficiency = combustionEfficiency;\r
+ }\r
+\r
+ public double getDensityRatio() {\r
+ return densityRatio;\r
+ }\r
+\r
+ public void setDensityRatio(double densityRatio) {\r
+ this.densityRatio = densityRatio;\r
+ }\r
+\r
+ @Override\r
+ public CombustionProduct getCombustionProduct() {\r
+ return cp;\r
+ }\r
+ \r
+ public void setCombustionProduct(final CombustionProduct product){\r
+ this.cp = (EditableCombustionProduct)product;\r
+ }\r
+\r
+ public String getName() {\r
+ return name;\r
+ }\r
+\r
+ public void setName(String name) {\r
+ this.name = name;\r
+ }\r
+\r
+ public Map<Amount<Pressure>, Double> getAMap() {\r
+ return aMap;\r
+ }\r
+\r
+ public void setAMap(Map<Amount<Pressure>, Double> aMap) {\r
+ this.aMap = aMap;\r
+ reset();\r
+ }\r
+\r
+ public Map<Amount<Pressure>, Double> getNMap() {\r
+ return nMap;\r
+ }\r
+\r
+ public void setNMap(Map<Amount<Pressure>, Double> nMap) {\r
+ this.nMap = nMap;\r
+ reset();\r
+ }\r
+\r
+ private void reset(){\r
+ if (nMap != null && aMap != null && nMap.size() == aMap.size()){\r
+ for ( Amount<Pressure> p : aMap.keySet() ){\r
+ add(p, aMap.get(p), nMap.get(p));\r
+ }\r
+ }\r
+ }\r
+}
\ No newline at end of file