Analysis Solution |
Analysis Modeler |
Degrees of FreedomHow degrees of freedom are managed by analysis Modeler |
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AbstractThis article explains the list of degrees of freedom allowed inside the analysis modeler and the way they are manage. It includes the following section: |
The flags representing the degrees of freedom definition are defined in the CATSamDof enumerate included in the CATAnalysisExplicitTypes.h include file. This enumerate allow to use the following list of basic D.O.F
| CATSamDofTranslationX | Translation in the X direction |
| CATSamDofTranslationY | Translation in the Y direction |
| CATSamDofTranslationZ | Translation in the Z direction |
| CATSamDofRotationX | Rotation about the X axis |
| CATSamDofRotationY | Rotation about the Y axis |
| CATSamDofRotationZ | Rotation about the Z axis |
| CATSamDofTranslationR | Translation in the R direction (for axisymmetric problems) |
| CATSamDofRotationRZ | Rotation in the RZ plane (for axisymmetric problems) |
| CATSamDofTemperature | Temperature |
| CATSamDofPressure | Pressure |
| CATSamDofElectricPotential | Electric potential |
| CATSamDofDensity | Fluid Density |
| CATSamDofVelocityX | Velocity in the X direction |
| CATSamDofVelocityY | Velocity in the X direction |
| CATSamDofVelocityZ | Velocity in the X direction |
It also includes some combined definition:
| CATSamDofBallJoin | A ball join (= CATSamDofTranslationX | CATSamDofTranslationY | CATSamDofTranslationZ)Translation in the X direction |
| CATSamDofPinned | A pinned join (=CATSamDofRotationX | CATSamDofRotationY | CATSamDofRotationZ) |
| CATSamDofClamp | A clamp (= CATSamDofBallJoin | CATSamDofPinned) |
| CATSamDofPivot | A pivot around the Z axis (= CATSamDofBallJoin | CATSamDofRotationX | CATSamDofRotationY) |
| CATSamDofSlidingPivot | A sliding pivot about the Z direction (= CATSamDofTranslationX | CATSamDofTranslationY | CATSamDofRotationX | CATSamDofRotationY) |
| CATSamDofSurfaceSlider | A surface slider in the XY plane (= CATSamDofTranslationZ | CATSamDofPinned) |
| CATSamDofSlider | A slider in the Z direction (= CATSamDofTranslationX | CATSamDofTranslationY | CATSamDofPinned) |
| CATSamDofFluid | CDF problem (=CATSamDofTemperature | CATSamDofPressure |CATSamDofDensity | CATSamDofVelocityX | CATSamDofVelocityY | CATSamDofVelocityZ). |
This definition can be used for defining:
As of today, only the mechanical degrees of freedom are used for the definition of the physics.
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| Version: 1 [Jan 2001] | Document created |
| Version: 2 [Fev 2005] | CDF Extension |
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