1. Element
Element is the base class for all elements.
Properties
| Name | Return | Description |
|---|---|---|
| Node1 | Node | Start node |
| Node2 | Node | End node |
| DL | Vector3D | DL.X, DL.Y and DL.Z are the coordinate changes from Node1 to Node2 in the global coordinate system |
| Material | Material | Material |
| RoomTemperature | float | Installation temperature. If null, same as the room temperature specified for the model |
| XDir | Vector3D | Local X’ axis. If (0,0,0), the default local axes are used |
| Label | string | Label |
| LayerID | int | Layer number |
| Diameter | float | Element cross size (for graphics). Same as section outside diameter for Piping elements |
| Mass | float | Mass. The meaning depends on MassModel |
| MassModel | MassModel | Mass modeling option |
The type MassModel is an enumeration with the following values:
| Value | Description |
|---|---|
| AtEnd | Mass is a lumped mass located at the end node |
| AtStart | Mass is a lumped mass located at the start node |
| HalfAtBoth | Mass is a lumped mass divided between both nodes |
| LinearAtBoth | Mass is a linear mass. The total mass (Mass x element length) is lumped at both nodes |
| LinearAtEnd | Mass is a linear mass. The total mass (Mass x element length) is lumped at the end node |
| Linear | Mass is a linear mass |
| Density | Mass is a density (for Beam elements only) |
2. Piping
Piping is an abstract class that inherits from Element (see § 1). Every Piping object has the properties of Element.
Properties
| Name | Return | Description |
|---|---|---|
| Section | PipeSection | Pipe section |
| LongWeldType | LongWeldType | Longitudinal weld type |
| LongWeldMismatch | float | Longitudinal weld mismatch |
| DesignCondition | OperatingCondition | Design condition. If null, same as general design condition of the model |
| PipingCode | PipingCode | Piping code. If null, same as general piping code of the model |
| StresOff | bool | True if stress calculation is disabled |
| ThicknessFactor | float | Thickness factor |
| OutsideDiameter | float | Outside diameter |
| InsideDiameter | float | Inside diameter |
| Thickness | float | Thickness |
| ContentDiameter | float | Inside diameter for calculation of fluid weight |
The type LongWeldType is an enumeration with the following values:
| Value | Description |
|---|---|
| None | No weld |
| ButtWeldFlush | Butt weld, flush |
| ButtWeldAsWelded | Butt weld, as welded |
3. Pipe
Pipe inherits from Piping. It represents straight pipes.
Properties
| Name | Return | Description |
|---|---|---|
| NbDivisions | int | Number of subdivisions for analysis |
4. Branch
Branch inherits from Piping. It is a fictitious element generated during the analysis that connects the tee center point to the run surface.
Properties
No additional properties.
5. Bend
Bend inherits from Piping. It represents elbows and miter bends.
Properties
| Name | Return | Description |
|---|---|---|
| Miter | bool | True if miter bend |
| DL1 | Vector3D | First tangent vector |
| DL2 | Vector3D | Second tangent vector |
| Node3 | Node | Intersection node |
| Radius | float | Geometrical radius |
| Angle | float | Angle (in radians) |
| NbDivisions | int | Number of subdivisions for analysis (elbow) or number of miter cuts (miter bend) |
| Spacing | float | Miter spacing at center line |
| NbFlanges | int | Number of attached flanges |
| UserFlex | float | User-defined flexibility factor |
6. Reducer
Reducer inherits from Piping.
Properties
| Name | Return | Description |
|---|---|---|
| Section2 | PipeSection | Section at end node |
| Angle | float | Cone angle (in dgrees) |
| L12 | float | Minimum tangent L1, L2 (Class 1 and B31J) |
| R12 | float | Minimum radius r1, r2 (Class 1 and B31J) |
7. Valve
Valve inherits from Piping.
Properties
| Name | Return | Description |
|---|---|---|
| Type | ValveType | Type of valve |
| PB | Node | Node at valve midpoint. Null if no midpoint |
| PC | Node | Node at end of valve stem. Null if no stem |
| BL | Vector3D | Midpoint to stem offset |
| IsStemEmpty | bool | True if the stem is empty |
The type ValveType is an enumeration used for graphics. It has the following values:
| Value | Description |
|---|---|
| Valve | Valve is represented depending on PB and PC |
| ToCenter | Valve end to center |
| FromCenter | Center to valve end |
| Stem | Center to stem |
8. Flange
Flange inherits from Piping.
Properties
| Name | Return | Description |
|---|---|---|
| FDiameter | float | Outside diameter |
| FThickness | float | Thickness |
9. Socket
Socket inherits from Piping.
Properties
No additional properties.
10. Structural
Structural inherits from Piping.
Properties
No additional properties.
11. Structural
Structural inherits from Piping.
Properties
No additional properties.
12. Rigid
Rigid inherits from Element.
Properties
No additional properties.
13. Spring
Spring inherits from Element.
Properties
| Name | Return | Description |
|---|---|---|
| ZDir | Vector3D | Local Z’ direction. Only used if spring length is zero |
| Kx | float | Translation stiffness along X’ |
| Ky | float | Translation stiffness along Y’ |
| Kz | float | Translation stiffness along Z’ |
| Krx | float | Rotation stiffness around X’ |
| Kry | float | Rotation stiffness around Y’ |
| Krz | float | Rotation stiffness around Z’ |
14. Matrix
Matrix inherits from Element.
Properties
| Name | Return | Description |
|---|---|---|
| ZDir | Vector3D | Local Z’ direction |
| Stiffness | SquareMatrix | Stiffness matrix |
SquareMatrix represents a 6x6 symmetrical matrix.
15. Bellow
Bellow inherits from Piping.
Properties
| Name | Return | Description |
|---|---|---|
| Type | BellowType | Type of bellow |
| SA | float | Axial stiffness |
| SL | float | Lateral stiffness |
| SB | float | Angular stiffness |
| ST | float | Torsional stiffness |
| A | float | Pressure thrust area |
The type BellowType is an enumeration with the following values:
| Value | Description |
|---|---|
| Axial | Axial |
| LateralSingle | Lateral in X’Z’ plane |
| LateralAll | lateral in all planes |
| AngularSingle | Angular in X’Z’ plane |
| AngularAll | Angular in all planes |
16. Beam
Beam inherits from Element.
Properties
| Name | Return | Description |
|---|---|---|
| Section | BeamSection | Section |
| E | float | Young modulus |
| NbDivisions | int | Number of subdivisions |