.Chemical.Utilities.Types.InitializationSubstance .Chemical.Utilities.Types.InitializationSubstanceChoices for initialization of a state.
type InitializationSubstance = enumeration(none "No initialization", steadyStateForwards "Steady state initialization in forward direction (chemical potential from rear connector)", steadyStateRearwards "Steady state initialization in rearward direction (chemical potential from fore connector)", state "Initialization with initial states", derivative "Initialization with initial derivatives of states");