Base: Units: add units for thermomechanical analysis

FreeCAD · Aug 4, 2016 · f9c5661 · f9c5661
1 parent 984e799
commit f9c5661
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Showing 4 changed files with 58 additions and 0 deletions.
diff --git a/src/Base/Unit.cpp b/src/Base/Unit.cpp
@@ -467,6 +467,11 @@ QString Unit::getTypeString(void) const
     if(*this == Unit::Force             )       return QString::fromLatin1("Force"); else
     if(*this == Unit::Work              )       return QString::fromLatin1("Work"); else
     if(*this == Unit::Power             )       return QString::fromLatin1("Power"); else
+    if(*this == Unit::ThermalConductivity         )       return QString::fromLatin1("ThermalConductivity"); else
+    if(*this == Unit::ThermalExpansionCoefficient )       return QString::fromLatin1("ThermalExpansionCoefficient"); else
+    if(*this == Unit::SpecificHeat                )       return QString::fromLatin1("SpecificHeat"); else
+    if(*this == Unit::ThermalTransferCoefficient  )       return QString::fromLatin1("ThermalTransferCoefficient"); else
+
     return QString();
 
 }
@@ -493,3 +498,8 @@ Unit Unit::Pressure(-1,1,-2);  // kg/m*s^2 or N/m^2 or PSI
 Unit Unit::Force   (1,1,-2);
 Unit Unit::Work    (2,1,-2);
 Unit Unit::Power   (2,1,-3);
+
+Unit Unit::ThermalConductivity         (1,1,-3,0,-1);
+Unit Unit::ThermalExpansionCoefficient (0,0,0,0,-1);
+Unit Unit::SpecificHeat                (2,0,-2,0,-1);
+Unit Unit::ThermalTransferCoefficient  (0,1,-3,0,-1);
diff --git a/src/Base/Unit.h b/src/Base/Unit.h
@@ -116,6 +116,10 @@ class BaseExport Unit
 	static Unit Work;   
 	static Unit Power;  
 
+    static Unit ThermalConductivity;
+    static Unit ThermalExpansionCoefficient;
+    static Unit SpecificHeat;
+    static Unit ThermalTransferCoefficient;
 
     //@}
 protected:

diff --git a/src/Base/UnitsSchemaInternal.cpp b/src/Base/UnitsSchemaInternal.cpp
@@ -92,6 +92,28 @@ QString UnitsSchemaInternal::schemaTranslate(Base::Quantity quant,double &factor
             unitString = QString::fromLatin1("kg/mm^3");
             factor = 1.0;
         }
+    }else if (unit == Unit::ThermalConductivity){
+    	if (UnitValue < 1000){    	
+    	unitString = QString::fromLatin1("W/mm/K");
+    	factor = 1.0;
+    	}else{    	
+        unitString = QString::fromLatin1("W/m/K");
+        factor = 1000.0;
+    	}
+    }else if (unit == Unit::ThermalExpansionCoefficient){
+        if(UnitValue < 0.001){
+            unitString = QString::fromLatin1("um/m/K");
+            factor = 0.000001;
+        }else{
+            unitString = QString::fromLatin1("mm/mm/K");
+            factor = 1.0;
+        }
+    }else if (unit == Unit::SpecificHeat){
+        unitString = QString::fromLatin1("J/kg/K");
+        factor = 1000000.0;
+	}else if (unit == Unit::ThermalTransferCoefficient){
+        unitString = QString::fromLatin1("W/m^2/K");
+        factor = 1.0;
     }else if ((unit == Unit::Pressure) || (unit == Unit::Stress)){
         if(UnitValue < 10.0){// Pa is the smallest
             unitString = QString::fromLatin1("Pa");

diff --git a/src/Base/UnitsSchemaMKS.cpp b/src/Base/UnitsSchemaMKS.cpp
@@ -109,6 +109,28 @@ QString UnitsSchemaMKS::schemaTranslate(Base::Quantity quant,double &factor,QStr
             unitString = QString::fromLatin1("Pa");
             factor = 1.0;
         }
+    }else if (unit == Unit::ThermalConductivity){
+    	if (UnitValue < 1000){    	
+    	unitString = QString::fromLatin1("W/mm/K");
+    	factor = 1.0;
+    	}else{    	
+        unitString = QString::fromLatin1("W/m/K");
+        factor = 1000.0;
+    	}
+    }else if (unit == Unit::ThermalExpansionCoefficient){
+        if(UnitValue < 0.001){
+            unitString = QString::fromLatin1("um/m/K");
+            factor = 0.000001;
+        }else{
+            unitString = QString::fromLatin1("m/m/K");
+            factor = 1.0;
+        }
+    }else if (unit == Unit::SpecificHeat){
+        unitString = QString::fromLatin1("J/kg/K");
+        factor = 1000000.0;
+	}else if (unit == Unit::ThermalTransferCoefficient){
+        unitString = QString::fromLatin1("W/m^2/K");
+        factor = 1.0;
     }else{
         // default action for all cases without special treatment:
         unitString = quant.getUnit().getString();