.TRANSFORM.HeatAndMassTransfer.DiscritizedModels.Conduction_2D.InternalHeatModel .TRANSFORM.HeatAndMassTransfer.DiscritizedModels.Conduction_2D.InternalHeatModelmodel InternalHeatModel = TRANSFORM.HeatAndMassTransfer.DiscritizedModels.BaseClasses.Dimensions_2.GenericHeatGeneration;