enum IfcAnalysisTheoryTypeEnum {
kIfcAnalysisTheoryTypeEnum_FIRST_ORDER_THEORY,
kIfcAnalysisTheoryTypeEnum_SECOND_ORDER_THEORY,
kIfcAnalysisTheoryTypeEnum_THIRD_ORDER_THEORY,
kIfcAnalysisTheoryTypeEnum_FULL_NONLINEAR_THEORY,
kIfcAnalysisTheoryTypeEnum_USERDEFINED,
kIfcAnalysisTheoryTypeEnum_NOTDEFINED,
kIfcAnalysisTheoryTypeEnum_unset
};