AGDDMixture Node1 AGDDMixture - m_theMaterials - m_theComposition + AGDDMixture() + AddMaterial() + Fraction() + NComponents() + Material() + Composition() Node2 AGDDSimpleMaterial # m_name # m_density # m_created # m_mType # m_theMaterial + AGDDSimpleMaterial() + ~AGDDSimpleMaterial() + RegisterToStore() + GetName() + GetDensity() + GetMaterialType() + Created() + Extant() + GetMaterial() + SetMaterial() Node2->Node1