IfcAnalysisTheoryTypeEnum

BACnet MVD

#### IfcAnalysisTheoryTypeEnum

Natural language names

| Analysis Theory Type Enum
| Énumération des types de théorie analytique

##### Semantic definitions at the type

Type definition

This enumeration is used to distinguish between different types of structural analysis methods, including first order theory, second order theory (small deformations), third order theory (large deformations) and the full nonlinear theory (geometric nonlinearity together with other nonlinearities such as plasticity).

> HISTORY New enumeration in IFC2x2.

Enumeration definition

Constant | Description
--- | ---
FIRST_ORDER_THEORY |
SECOND_ORDER_THEORY |
THIRD_ORDER_THEORY |
FULL_NONLINEAR_THEORY |
USERDEFINED |
NOTDEFINED |

##### Formal representations

XML Specification
`<xs:simpleType name="IfcAnalysisTheoryTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="first_order_theory"/>
<xs:enumeration value="second_order_theory"/>
<xs:enumeration value="third_order_theory"/>
<xs:enumeration value="full_nonlinear_theory"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcAnalysisTheoryTypeEnum = ENUMERATION OF (
FIRST_ORDER_THEORY,
SECOND_ORDER_THEORY,
THIRD_ORDER_THEORY,
FULL_NONLINEAR_THEORY,
USERDEFINED,
NOTDEFINED);
END_TYPE;

EXPRESS-G diagram

`

References: IfcStructuralResultGroup

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