.TRANSFORM.HeatAndMassTransfer.DiscritizedModels.Conduction_3D.InternalHeatModel .TRANSFORM.HeatAndMassTransfer.DiscritizedModels.Conduction_3D.InternalHeatModelmodel InternalHeatModel = TRANSFORM.HeatAndMassTransfer.DiscritizedModels.BaseClasses.Dimensions_3.GenericHeatGeneration;