add set and get methods and a test (#1039)

Author: EvenSol

src/main/java/neqsim/thermo/component/Component.java

@@ -14,6 +14,8 @@
 import neqsim.thermo.component.attractiveEosTerm.AttractiveTermInterface;
 import neqsim.thermo.phase.PhaseInterface;
 import neqsim.util.database.NeqSimDataBase;
+import neqsim.util.unit.PressureUnit;
+import neqsim.util.unit.TemperatureUnit;
 
 public abstract class Component implements ComponentInterface {
   private static final long serialVersionUID = 1000;
@@ -85,7 +87,6 @@ public abstract class Component implements ComponentInterface {
   protected double criticalTemperature;
   protected double molarMass;
   protected double acentricFactor;
-
   protected double normalLiquidDensity = 0;
   protected double reducedPressure;
   protected double reducedTemperature;
@@ -670,12 +671,26 @@ public final void setTC(double val) {
     criticalTemperature = val;
   }
 
+  /** {@inheritDoc} */
+  @Override
+  public final void setTC(double val, String unit) {
+    TemperatureUnit inValue = new TemperatureUnit(val, unit);
+    criticalTemperature = inValue.getValue(val, unit, "K");
+  }
+
   /** {@inheritDoc} */
   @Override
   public final void setPC(double val) {
     criticalPressure = val;
   }
 
+  /** {@inheritDoc} */
+  @Override
+  public final void setPC(double val, String unit) {
+    PressureUnit inValue = new PressureUnit(val, unit);
+    criticalPressure = inValue.getValue(val, unit, "bara");
+  }
+
   /** {@inheritDoc} */
   @Override
   public final String getComponentName() {
@@ -792,6 +807,48 @@ public double getNormalLiquidDensity(String unit) {
     return refDensity * conversionFactor;
   }
 
+  /** {@inheritDoc} */
+  @Override
+  public double getMolarMass(String unit) {
+    double refMolarMass = getMolarMass();
+    double conversionFactor = 1.0;
+    switch (unit) {
+      case "kg/mol":
+        conversionFactor = 1.0;
+        break;
+      case "gr/mol":
+        conversionFactor = 1000.0;
+        break;
+      case "lbm/lbmol":
+        conversionFactor = 1000.0;
+        break;
+      default:
+        throw new RuntimeException("unit not supported " + unit);
+    }
+    return refMolarMass * conversionFactor;
+  }
+
+  /** {@inheritDoc} */
+  @Override
+  public void setMolarMass(double value, String unit) {
+    double refMolarMass = value;
+    double conversionFactor = 1.0;
+    switch (unit) {
+      case "kg/mol":
+        conversionFactor = 1.0;
+        break;
+      case "gr/mol":
+        conversionFactor = 1000.0;
+        break;
+      case "lbm/lbmol":
+        conversionFactor = 1000.0;
+        break;
+      default:
+        throw new RuntimeException("unit not supported " + unit);
+    }
+    molarMass = refMolarMass * 1.0 / conversionFactor;
+  }
+
   /** {@inheritDoc} */
   @Override
   public double getViscosityCorrectionFactor() {

src/main/java/neqsim/thermo/component/ComponentInterface.java

@@ -631,6 +631,17 @@ public double fugcoefDiffTempNumeric(PhaseInterface phase, int numberOfComponent
    */
   public void setMolarMass(double molarMass);
 
+  /**
+   * <p>
+   * setMolarMass.
+   * </p>
+   * 
+   * @param molarMass a double
+   * 
+   * @param unit a String
+   */
+  public void setMolarMass(double molarMass, String unit);
+
   /**
    * <p>
    * calcActivity.
@@ -768,6 +779,16 @@ public default void addMolesChemReac(double dn) {
    */
   public void setTC(double val);
 
+  /**
+   * <p>
+   * setTC.
+   * </p>
+   *
+   * @param val a double
+   * @param unit a String
+   */
+  public void setTC(double val, String unit);
+
   /**
    * <p>
    * setPC.
@@ -777,6 +798,16 @@ public default void addMolesChemReac(double dn) {
    */
   public void setPC(double val);
 
+  /**
+   * <p>
+   * setPC.
+   * </p>
+   *
+   * @param val a double
+   * @param unit a String
+   */
+  public void setPC(double val, String unit);
+
   /**
    * <p>
    * getDiElectricConstantdTdT.
@@ -1212,6 +1243,14 @@ public default double getLogFugacityCoefficient() {
    */
   public double getMolarMass();
 
+  /**
+   * Get molar mass of component.
+   *
+   * @param unit a String
+   * @return molar mass in unit kg/mol
+   */
+  public double getMolarMass(String unit);
+
   /**
    * <p>
    * getLennardJonesMolecularDiameter.

src/main/java/neqsim/thermo/system/neqsim_Units.code-search

@@ -67,4 +67,32 @@ public void newComponentIsoButeneTest() {
     thermoSystem.init(0);
     assertEquals(56.10632e-3, thermoSystem.getMolarMass("kg/mol"), 0.01);
   }
+
+  @Test
+  public void setTCPC_test() {
+    thermoSystem = new SystemSrkEos(298.0, ThermodynamicConstantsInterface.referencePressure);
+    thermoSystem.addComponent("iso-butene", 1.0);
+    thermoSystem.init(0);
+    thermoSystem.getPhase(0).getComponent(0).setTC(190.0);
+    assertEquals(190.0, thermoSystem.getPhase(0).getComponent(0).getTC(), 0.01);
+
+    thermoSystem.getPhase(0).getComponent(0).setTC(190.0, "R");
+    assertEquals(190.0, thermoSystem.getPhase(0).getComponent(0).getTC("R"), 0.01);
+
+    thermoSystem.getPhase(0).getComponent(0).setTC(190.0, "R");
+    assertEquals(105.55555, thermoSystem.getPhase(0).getComponent(0).getTC("K"), 0.01);
+
+    thermoSystem.getPhase(0).getComponent(0).setPC(1290.0, "psia");
+    assertEquals(1290.0, thermoSystem.getPhase(0).getComponent(0).getPC("psia"), 0.01);
+    assertEquals(88.9423690, thermoSystem.getPhase(0).getComponent(0).getPC("bara"), 0.01);
+
+    thermoSystem.getPhase(0).getComponent(0).setMolarMass(0.090);
+    assertEquals(0.09, thermoSystem.getPhase(0).getComponent(0).getMolarMass(), 0.01);
+    assertEquals(90.0, thermoSystem.getPhase(0).getComponent(0).getMolarMass("gr/mol"), 0.01);
+    assertEquals(90.0, thermoSystem.getPhase(0).getComponent(0).getMolarMass("lbm/lbmol"), 0.01);
+
+    thermoSystem.getPhase(0).getComponent(0).setMolarMass(85.0, "lbm/lbmol");
+    assertEquals(85.0, thermoSystem.getPhase(0).getComponent(0).getMolarMass("gr/mol"), 0.01);
+
+  }
 }