4 modified files
GeomConverter/src/org/lcsim/material
diff -u -r1.15 -r1.16
--- Material.java 20 Jul 2005 01:01:28 -0000 1.15
+++ Material.java 22 Jul 2005 00:11:32 -0000 1.16
@@ -23,11 +23,11 @@
/* Default pressure in atmospheres = 1.0 */
public static final double DEFAULT_PRESSURE = 1.0;
-
+
/* Maximum RL and NIL */
public static final double MAX_RADIATION_LENGTH = java.lang.Double.MAX_VALUE;
public static final double MAX_NUCLEAR_INTERACTION_LENGTH = java.lang.Double.MAX_VALUE;
-
+
/* temperature in Kelvin */
double _temp;
@@ -37,7 +37,7 @@
/* density in g/cm3 */
double _density;
- /* corresponds to single MaterialElement? */
+ /* corresponds to single MaterialElement? */
boolean _isElement;
/* Z value */
@@ -54,10 +54,10 @@
/* chemical formula */
String _formula;
-
+
int _nComponents;
- int _nComponentsMax;
-
+ int _nComponentsMax;
+
/* number of elements in mass fraction list */
int _nElements;
@@ -244,7 +244,7 @@
}
private void computeDerivedQuantities()
- {
+ {
computeRadiationLength();
computeNuclearInteractionLength();
}
@@ -294,8 +294,6 @@
public void addElement(MaterialElement element,
int nAtoms)
{
- //System.out.println("Material.addElement() - composite add " + element.getName() + " to " + getName() );
-
if ( _nElements < _nComponentsMax )
{
_elements.add(element);
@@ -311,6 +309,7 @@
if ( isFilled() )
{
+ //System.out.println(getName() + " is filled");
//System.out.println("setting mass fractions");
double Zmol = 0;
@@ -338,7 +337,8 @@
public void addElement(MaterialElement element,
double fraction)
{
- //System.out.println("Material.addElement() - fraction add " + element.getName() + " to " + getName() );
+
+// System.out.println("Material.addElement() - fraction add " + element.getName() + " to " + getName() );
if ( _nComponents < _nComponentsMax )
{
@@ -368,6 +368,7 @@
if ( isFilled() )
{
+ //System.out.println(getName() + " is filled");
checkMassSum();
computeDerivedQuantities();
}
@@ -377,7 +378,8 @@
public void addMaterial(Material material,
double fraction)
{
- //System.out.println("Material.addElement() - fraction add " + material.getName() + " to " + getName() );
+
+// System.out.println("Material.addElement() - fraction add " + material.getName() + " to " + getName() );
if ( _atoms.size() > 0 )
{
@@ -429,10 +431,12 @@
if ( isFilled() )
{
checkMassSum();
+ computeDerivedQuantities();
}
}
- private boolean isFilled()
+ /** @return true if all sub-materials have been added (externally); false if not */
+ public boolean isFilled()
{
return (_nComponents == _nComponentsMax);
}
@@ -455,11 +459,11 @@
public String toString()
{
return "Material=" + getName() + "; nComponents=" + _nComponents +
- "; nElements=" + _nElements + "; temp(K)=" + _temp + "\t\n" +
- "pressure(atmos)=" + _pressure + "; density(g/cm3)=" + _density +
- "; state=" + _state.toString() + "\t\n" + "NIL(gcm2)=" +
- _nuclearInteractionLength + "; RL(gcm2)=" + _radiationLength +
- "; NIL(cm)" + getNuclearInteractionLengthWithDensity() +
- "; RL(cm)" + getRadiationLengthWithDensity();
+ "; nComponentsMax=" + _nComponentsMax + "; nElements=" + _nElements +
+ "; temp(K)=" + _temp + "\n\t" + "pressure(atmos)=" + _pressure +
+ "; density(g/cm3)=" + _density + "; state=" + _state.toString() +
+ "\n\t" + "lambda(gcm2)=" + _nuclearInteractionLength +
+ "; X0(gcm2)=" + _radiationLength + "; lambda(cm)=" + getNuclearInteractionLengthWithDensity() +
+ "; X0(cm)=" + getRadiationLengthWithDensity();
}
}
\ No newline at end of file
GeomConverter/src/org/lcsim/material
diff -u -r1.4 -r1.5
--- MaterialCalculator.java 2 Jul 2005 00:49:47 -0000 1.4
+++ MaterialCalculator.java 22 Jul 2005 00:11:32 -0000 1.5
@@ -14,25 +14,16 @@
* @author jeremym
*/
abstract public class MaterialCalculator
-{
- /* Coulomb correction factors from G4Element via Phys Rev. D50 3-1 (1994) page 1254 */
- //public static final double[] COULOMB_CORRECTIONS = { 0.0083, 0.20206, 0.0020, 0.0369 };
-
+{
/* Fine structure constant from PDG July 2004 */
public static final double FINE_STRUCTURE_CONSTANT = 1 / 137.03599911;
- /* Tsai constants from G4Element::ComputeLradTsaiFactor() via Phys Rev. D50 3-1 (1994) page 1254 */
- //public static final double[] TSAI_LRAD_LIGHT = { 5.31, 4.79, 4.74, 4.71 };
- //public static final double[] TSAI_LPRAD_LIGHT = { 6.144, 5.621, 5.805, 5.924 };
-
-
-
public static double computeRadiationLengthEstimate(double A, double Z)
{
return (180.0 * A / ( Z * Z));
- }
+ }
- /**
+ /**
* Compute radiation length using Tsai formula
*
* Based on LELAPS CEPack/ceelement::setIntLength()
@@ -42,7 +33,7 @@
{
double azsq = FINE_STRUCTURE_CONSTANT * Z;
azsq *= azsq;
- double f = azsq * ( 1.0 / (1.0 + azsq) + 0.20206 - 0.0369 * azsq + 0.0083 * azsq * azsq
+ double f = azsq * ( 1.0 / (1.0 + azsq) + 0.20206 - 0.0369 * azsq + 0.0083 * azsq * azsq
- 0.002 * azsq * azsq * azsq);
double Lrad, LradP;
@@ -61,21 +52,21 @@
Lrad = 4.74;
LradP = 5.805;
}
- else if (Z==4)
+ else if (Z==4)
{
Lrad = 4.71;
LradP = 5.924;
- }
+ }
else
{
Lrad = log(184.15 / pow(Z, 0.333333333));
- LradP = log(1194.0 / pow (Z, 0.666666667));
+ LradP = log(1194.0 / pow(Z, 0.666666667));
}
double rlen = 716.408 * A / ((Z * Z * (Lrad - f) + Z * LradP));
return rlen;
- }
+ }
- /**
+ /**
* Compute NIL, using hard-coded values for Z <= 2 from PDG.
*
* Above helium, use a simple fit.
@@ -83,16 +74,16 @@
* Base on LELAPS CEPack/ceelement::setIntLength()
*
*/
- public static double computeNuclearInteractionLength(double A, double Z)
+ public static double computeNuclearInteractionLength(double A, double Z)
{
- double NIL = 0;
+ double NIL = 0;
if (Z==1)
{
if (A<1.5)
{
NIL = 50.8;
}
- else
+ else
{
NIL = 54.7;
}
@@ -109,7 +100,7 @@
return NIL;
}
}
-
+
/*
public static double computeCoulombCorrection(double Z)
{
@@ -117,23 +108,23 @@
{
throw new IllegalArgumentException("Z cannot be <= 0.");
}
-
+
double az2 = (FINE_STRUCTURE_CONSTANT * Z) * (FINE_STRUCTURE_CONSTANT * Z);
double az4 = az2 * az2;
-
- double coulomb = (COULOMB_CORRECTIONS[0] * az4 + COULOMB_CORRECTIONS[1] +
+
+ double coulomb = (COULOMB_CORRECTIONS[0] * az4 + COULOMB_CORRECTIONS[1] +
1.0/(1.0 + az2)) * az2 - (COULOMB_CORRECTIONS[2] * az4 + COULOMB_CORRECTIONS[3]) * az4;
-
+
return coulomb;
}
*/
-
+
/*
public static double computeTsaiFactor(double Z, double coulombCorrection)
{
double logZ3 = log(Z) / 3.0;
int iz = (int) (Z + 0.5) - 1;
-
+
double lrad, lprad;
if ( iz <= 3)
{
@@ -146,20 +137,26 @@
lprad = log(1194.0) - 2 * logZ3;
}
*/
-
- /**
- * FINE_STRUCTURE_CONSTANT is actually 'alpha_rcl2' in G4Element but this is same as F.S.C. in CLHEP.
- */
+
+/**
+ * FINE_STRUCTURE_CONSTANT is actually 'alpha_rcl2' in G4Element but this is same as F.S.C. in CLHEP.
+ */
// double tsai = 4 * FINE_STRUCTURE_CONSTANT * Z * ( Z * (lrad * coulombCorrection) + lprad);
// return tsai;
// }
-
+
// public static double computeTsaiFactor(double Z)
// {
// return computeTsaiFactor(Z, computeCoulombCorrection(Z) );
-// }
-
+// }
+
// public static double computeNuclearInteractionLengthEstimate(double A)
-// {
+// {
// return ( Material.LAMBDA0 * pow(A, 0.33333));
-// }
\ No newline at end of file
+// }
+
+/* Coulomb correction factors from G4Element via Phys Rev. D50 3-1 (1994) page 1254 */
+//public static final double[] COULOMB_CORRECTIONS = { 0.0083, 0.20206, 0.0020, 0.0369 };
+/* Tsai constants from G4Element::ComputeLradTsaiFactor() via Phys Rev. D50 3-1 (1994) page 1254 */
+//public static final double[] TSAI_LRAD_LIGHT = { 5.31, 4.79, 4.74, 4.71 };
+//public static final double[] TSAI_LPRAD_LIGHT = { 6.144, 5.621, 5.805, 5.924 };
\ No newline at end of file
GeomConverter/test/org/lcsim/material
diff -u -r1.3 -r1.4
--- XMLMaterialManagerTest.java 1 Jul 2005 00:12:25 -0000 1.3
+++ XMLMaterialManagerTest.java 22 Jul 2005 00:11:33 -0000 1.4
@@ -20,9 +20,10 @@
public class XMLMaterialManagerTest extends TestCase
{
- static public final String materialName = "Aluminum";
- static public final String formula = "Al";
- public static URL defURL = XMLMaterialManagerTest.class.getResource("test.xml");
+ //static public final String materialName = "Aluminum";
+ //static public final String formula = "Al";
+ private static URL defURL = XMLMaterialManagerTest.class.getResource("test.xml");
+ XMLMaterialManager mgr;
public XMLMaterialManagerTest(String testName)
{
@@ -34,10 +35,37 @@
return new TestSuite(XMLMaterialManagerTest.class);
}
- public void test_basic() throws JDOMException, IOException
+ protected void setUp()
{
- XMLMaterialManager f = XMLMaterialManager.create(defURL);
+ try {
+ mgr = XMLMaterialManager.create(defURL);
+ }
+ catch ( Exception e)
+ {
+ throw new RuntimeException("Error creating XMLMaterialManager.", e);
+ }
+ }
+
+ public static void testLambdaNonzero() throws org.lcsim.material.MaterialNotFoundException
+ {
+ Material quartz = MaterialManager.instance().findMaterial("Quartz");
+ Material epoxy = MaterialManager.instance().findMaterial("Epoxy");
+ Material g10 = MaterialManager.instance().findMaterial("G10");
+
+ double quartzNIL, epoxyNIL, g10NIL;
+ quartzNIL = quartz.getNuclearInteractionLength();
+ epoxyNIL = epoxy.getNuclearInteractionLength();
+ g10NIL = g10.getNuclearInteractionLength();
+
+ assert(quartzNIL != 0);
+ assert(epoxyNIL != 0);
+ assert(g10NIL != 0);
+ //System.out.println(g10.toString() );
+ }
+
+ public void testBasic() throws JDOMException, IOException
+ {
/* Test materials element. */
//assertTrue(f.getMaterialsRoot() != null);
@@ -51,12 +79,12 @@
//assertTrue(em != null);
/* Test resetMaps() method. */
- f.resetMaps();
- assertEquals(f.getNumberOfElements(), 0);
- assertEquals(f.getNumberOfMaterials(), 0);
+ //f.resetMaps();
+ //assertEquals(f.getNumberOfElements(), 0);
+ //assertEquals(f.getNumberOfMaterials(), 0);
}
- public void test_reference() throws MalformedURLException, IOException, JDOMException
+ public void testReference() throws MalformedURLException, IOException, JDOMException
{
//XMLMaterialManager f = XMLMaterialManager.create();
@@ -82,10 +110,10 @@
assertTrue(f.getElement("O") != null);
assertTrue(f.getElement("Hydrogen_e") != null);
assertTrue(f.getElement("C") != null);
- */
+ */
}
- public void test_loadElements() throws IOException, JDOMException
+ public void testLoadElements() throws IOException, JDOMException
{
/*
XMLMaterialManager m = XMLMaterialManager.create();
GeomConverter/test/org/lcsim/material
diff -u -r1.2 -r1.3
--- test.xml 1 Jul 2005 00:11:00 -0000 1.2
+++ test.xml 22 Jul 2005 00:11:33 -0000 1.3
@@ -2,202 +2,222 @@
<materials>
- <!-- elements -->
- <element name="Al" formula="Al" Z="13.0">
- <atom type="A" unit="g/mole" value="26.98" />
- </element>
-
- <material name="Aluminum">
- <D type="density" unit="g/cm3" value="2.70" />
- <composite n="1" ref="Al" />
- </material>
+ <!-- elements -->
+ <element name="Al" formula="Al" Z="13.0">
+ <atom type="A" unit="g/mole" value="26.98" />
+ </element>
+
+ <material name="Aluminum">
+ <D type="density" unit="g/cm3" value="2.70" />
+ <composite n="1" ref="Al" />
+ </material>
- <!--
+ <!--
<element name="Ar" Z="18.0" N="40" >
- <atom type="A" unit="g/mol" value="39.9480" />
+ <atom type="A" unit="g/mol" value="39.9480" />
</element>
- <element name="Beryllium_e" formula="Be" Z="4.0">
- <atom type="A" unit="g/mol" value="9.012182" />
- </element>
+<element name="Beryllium_e" formula="Be" Z="4.0">
+<atom type="A" unit="g/mol" value="9.012182" />
+</element>
- <element name="Bromine_e" formula="Br" Z="35.">
- <atom value="79.905"/>
- </element>
+<element name="Bromine_e" formula="Br" Z="35.">
+<atom value="79.905"/>
+</element>
- <element name="B" formula="B" Z="5.">
- <atom value="10.811"/>
- </element>
-
- <element name="C" formula="C" Z="6.">
- <atom value="12.01" />
- </element>
-
- <element name="Fluorine_e" formula="F" Z="9.">
- <atom value="18.998" />
- </element>
+<element name="B" formula="B" Z="5.">
+<atom value="10.811"/>
+</element>
- <element name="Cl" formula="Cl" Z="17.">
- <atom value="35.45" />
- </element>
+<element name="C" formula="C" Z="6.">
+<atom value="12.01" />
+</element>
- <element name="H" formula="H" Z="1.">
- <atom value="1.01" />
- </element>
+<element name="Fluorine_e" formula="F" Z="9.">
+<atom value="18.998" />
+</element>
- <element name="Fe" formula="Fe" Z="26.">
- <atom value="55.85" />
- </element>
+<element name="Cl" formula="Cl" Z="17.">
+<atom value="35.45" />
+</element>
- <element name="N" Z="7.0" N="14" >
- <atom type="A" unit="g/mol" value=" 14.0100" />
- </element>
+<element name="H" formula="H" Z="1.">
+<atom value="1.01" />
+</element>
- <element name="O" Z="8.0" N="16" >
- <atom type="A" unit="g/mol" value=" 16.0000" />
- </element>
+<element name="Fe" formula="Fe" Z="26.">
+<atom value="55.85" />
+</element>
- <element name="Si" formula="Si" Z="14.">
- <atom value="28.09" />
- </element>
+<element name="N" Z="7.0" N="14" >
+<atom type="A" unit="g/mol" value=" 14.0100" />
+</element>
- <element name="Na" formula="Na" Z="11.">
- <atom value="22.989770" />
- </element>
-
- <element name="Tungsten_e" formula="W" Z="74.">
- <atom value="183.84" />
- </element>
+<element name="O" Z="8.0" N="16" >
+<atom type="A" unit="g/mol" value=" 16.0000" />
+</element>
- <element name="Titanium_e" formula="Ti" Z="22.">
- <atom value="47.867" />
- </element>
- -->
+<element name="Si" formula="Si" Z="14.">
+<atom value="28.09" />
+</element>
- <!-- materials -->
- <!--
- <material name="Air" >
- <D type="density" unit="g/cm3" value="0.0012"/>
- <fraction n="0.7803" ref="N"/>
- <fraction n="0.2103" ref="O"/>
- <fraction n="0.0094" ref="Ar"/>
- </material>
-
+<element name="Na" formula="Na" Z="11.">
+<atom value="22.989770" />
+</element>
- <material name="Beryllium">
- <D type="density" unit="g/cm3" value="1.848" />
- <composite n="1" ref="Beryllium_e" />
- </material>
+<element name="Tungsten_e" formula="W" Z="74.">
+<atom value="183.84" />
+</element>
- <material name="Epoxy">
- <D type="density" value="1.3" unit="g/cm3"/>
- <composite n="44" ref="H"/>
- <composite n="15" ref="C"/>
- <composite n="7" ref="O"/>
- </material>
+<element name="Titanium_e" formula="Ti" Z="22.">
+<atom value="47.867" />
+</element>
+ -->
- <material name="Quartz">
- <D type="density" value="2.2" unit="g/cm3"/>
- <composite n="1" ref="Si"/>
- <composite n="2" ref="O"/>
- </material>
-
- <material name="G10">
- <D type="density" value="1.7" unit="g/cm3" />
- <fraction n="0.08" ref="Cl" />
- <fraction n="0.773" ref="Quartz" />
- <fraction n="0.147" ref="Epoxy" />
- </material>
-
- <material name="Iron">
- <D type="density" value="7.87" unit="g/cm3" />
- <composite n="1" ref="Fe" />
- </material>
-
- <material name="Polystyrene">
- <D value="1.032" unit="g/cm3" />
- <composite n="19" ref="C"/>
- <composite n="21" ref="H" />
- </material>
-
- <material name="Silicon">
- <D type="density" value="2.33" unit="g/cm3" />
- <composite n="1" ref="Si" />
- </material>
-
- <material name="Tungsten">
- <D type="density" value="19.3" unit="g/cm3"/>
- <composite n="1" ref="Tungsten_e" />
- </material>
+ <!-- materials -->
+ <!--
+ <material name="Air" >
+ <D type="density" unit="g/cm3" value="0.0012"/>
+ <fraction n="0.7803" ref="N"/>
+ <fraction n="0.2103" ref="O"/>
+ <fraction n="0.0094" ref="Ar"/>
+ </material>
+
+
+<material name="Beryllium">
+<D type="density" unit="g/cm3" value="1.848" />
+<composite n="1" ref="Beryllium_e" />
+</material>
+
+<material name="Epoxy">
+<D type="density" value="1.3" unit="g/cm3"/>
+<composite n="44" ref="H"/>
+<composite n="15" ref="C"/>
+<composite n="7" ref="O"/>
+</material>
+
+<material name="Quartz">
+<D type="density" value="2.2" unit="g/cm3"/>
+<composite n="1" ref="Si"/>
+<composite n="2" ref="O"/>
+</material>
+
+<material name="G10">
+<D type="density" value="1.7" unit="g/cm3" />
+<fraction n="0.08" ref="Cl" />
+<fraction n="0.773" ref="Quartz" />
+<fraction n="0.147" ref="Epoxy" />
+</material>
+
+<material name="Iron">
+<D type="density" value="7.87" unit="g/cm3" />
+<composite n="1" ref="Fe" />
+</material>
+
+<material name="Polystyrene">
+<D value="1.032" unit="g/cm3" />
+<composite n="19" ref="C"/>
+<composite n="21" ref="H" />
+</material>
+
+<material name="Silicon">
+<D type="density" value="2.33" unit="g/cm3" />
+<composite n="1" ref="Si" />
+</material>
+
+<material name="Tungsten">
+<D type="density" value="19.3" unit="g/cm3"/>
+<composite n="1" ref="Tungsten_e" />
+</material>
+
+<material name="Titanium">
+<D type="density" value="4.5" unit="g/cm3"/>
+<composite n="1" ref="Titanium_e" />
+</material>
+
+<material name="Steel235">
+<D value="7.85" unit="g/cm3" />
+<fraction n="0.998" ref="Fe" />
+<fraction n=".002" ref="C" />
+</material>
+
+<material name="SiliconOxide">
+<D type="density" value="2.65" unit="g/cm3"/>
+<composite n="1" ref="Si" />
+<composite n="2" ref="O" />
+</material>
+
+<material name="BoronOxide">
+<D type="density" value="2.46" unit="g/cm3"/>
+<composite n="2" ref="B" />
+<composite n="3" ref="O" />
+</material>
+
+<material name="SodiumOxide">
+<D type="density" value="2.65" unit="g/cm3"/>
+<composite n="2" ref="Na" />
+<composite n="1" ref="O" />
+</material>
+
+<material name="AluminumOxide">
+<D type="density" value="3.89" unit="g/cm3"/>
+<composite n="2" ref="Al" />
+<composite n="3" ref="O" />
+</material>
+
+<material name="PyrexGlass">
+<D type="density" value="2.23" unit="g/cm3"/>
+<fraction n="0.806" ref="SiliconOxide" />
+<fraction n="0.130" ref="BoronOxide" />
+<fraction n="0.040" ref="SodiumOxide" />
+<fraction n="0.023" ref="AluminumOxide" />
+</material>
+
+<material name="CarbonFiber">
+<D type="density" value="1.5" unit="g/cm3"/>
+<fraction n="0.65" ref="C" />
+<fraction n="0.35" ref="Epoxy" />
+</material>
+
+<material name="Rohacell31">
+<D type="density" value="0.032" unit="g/cm3"/>
+<composite n="9" ref="C" />
+<composite n="13" ref="H" />
+<composite n="2" ref="O" />
+<composite n="1" ref="N" />
+</material>
+
+<material name="RPCGas">
+<D type="density" value="0.0037" unit="g/cm3"/>
+<composite n="209" ref="C" />
+<composite n="239" ref="H" />
+<composite n="381" ref="Fluorine_e" />
+</material>
+
+<material name="PolystyreneFoam">
+<D type="density" value="0.0056" unit="g/cm3"/>
+<fraction n="1.0" ref="Polystyrene" />
+</material>
+ -->
+
+ <material name="Epoxy">
+ <D type="density" value="1.3" unit="g/cm3"/>
+ <composite n="44" ref="H"/>
+ <composite n="15" ref="C"/>
+ <composite n="7" ref="O"/>
+ </material>
+
+ <material name="Quartz">
+ <D type="density" value="2.2" unit="g/cm3"/>
+ <composite n="1" ref="Si"/>
+ <composite n="2" ref="O"/>
+ </material>
+
+ <material name="G10">
+ <D type="density" value="1.7" unit="g/cm3"/>
+ <fraction n="0.08" ref="Cl"/>
+ <fraction n="0.773" ref="Quartz"/>
+ <fraction n="0.147" ref="Epoxy"/>
+ </material>
- <material name="Titanium">
- <D type="density" value="4.5" unit="g/cm3"/>
- <composite n="1" ref="Titanium_e" />
- </material>
-
- <material name="Steel235">
- <D value="7.85" unit="g/cm3" />
- <fraction n="0.998" ref="Fe" />
- <fraction n=".002" ref="C" />
- </material>
-
- <material name="SiliconOxide">
- <D type="density" value="2.65" unit="g/cm3"/>
- <composite n="1" ref="Si" />
- <composite n="2" ref="O" />
- </material>
-
- <material name="BoronOxide">
- <D type="density" value="2.46" unit="g/cm3"/>
- <composite n="2" ref="B" />
- <composite n="3" ref="O" />
- </material>
-
- <material name="SodiumOxide">
- <D type="density" value="2.65" unit="g/cm3"/>
- <composite n="2" ref="Na" />
- <composite n="1" ref="O" />
- </material>
-
- <material name="AluminumOxide">
- <D type="density" value="3.89" unit="g/cm3"/>
- <composite n="2" ref="Al" />
- <composite n="3" ref="O" />
- </material>
-
- <material name="PyrexGlass">
- <D type="density" value="2.23" unit="g/cm3"/>
- <fraction n="0.806" ref="SiliconOxide" />
- <fraction n="0.130" ref="BoronOxide" />
- <fraction n="0.040" ref="SodiumOxide" />
- <fraction n="0.023" ref="AluminumOxide" />
- </material>
-
- <material name="CarbonFiber">
- <D type="density" value="1.5" unit="g/cm3"/>
- <fraction n="0.65" ref="C" />
- <fraction n="0.35" ref="Epoxy" />
- </material>
-
- <material name="Rohacell31">
- <D type="density" value="0.032" unit="g/cm3"/>
- <composite n="9" ref="C" />
- <composite n="13" ref="H" />
- <composite n="2" ref="O" />
- <composite n="1" ref="N" />
- </material>
-
- <material name="RPCGas">
- <D type="density" value="0.0037" unit="g/cm3"/>
- <composite n="209" ref="C" />
- <composite n="239" ref="H" />
- <composite n="381" ref="Fluorine_e" />
- </material>
-
- <material name="PolystyreneFoam">
- <D type="density" value="0.0056" unit="g/cm3"/>
- <fraction n="1.0" ref="Polystyrene" />
- </material>
- -->
-
</materials>
CVSspam 0.2.8
