fixup: add to thermal physics check

Author: colemanjs

source/ThermalPhysics.templates.hh

@@ -5,6 +5,7 @@
 #ifndef THERMAL_PHYSICS_TEMPLATES_HH
 #define THERMAL_PHYSICS_TEMPLATES_HH
 
+#include <GaussianHeatSource.hh>
 #include <CubeHeatSource.hh>
 #include <ElectronBeamHeatSource.hh>
 #include <GoldakHeatSource.hh>
@@ -322,6 +323,11 @@ ThermalPhysics<dim, p_order, fe_degree, MaterialStates, MemorySpaceType,
       _heat_sources[i] = std::make_shared<CubeHeatSource<dim>>(
           beam_database, units_optional_database);
     }
+    else if (type == "gaussian")
+    {
+      _heat_sources[i] = std::make_shared<GaussianHeatSource<dim>>(
+          beam_database, units_optional_database);
+    }
     else
     {
       ASSERT_THROW(false, "Beam type '" +