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 # Class HDBContact

 Last update: 09.03.2026 

<a id="VM_Managed_DAFUL_GearTrain_HDBContact"></a>

Namespace: [VM.Managed.DAFUL.GearTrain](VM.Managed.DAFUL.GearTrain.md)  
Assembly: VMDGearTrain.dll

Hydro Dynamic Bearing Contact Parameter

```csharp
public class HDBContact : SubEntity, IObservableObject, IDisposableObject, ILinkable, ILinkContainerEvent, IVerifiable, IHistoryObjectSerializable, IAttributeContainer, ISubEntity, IEntityBase, IObjectBase, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, IHasKeyObject, IHasName, IEnabled, IHasComment, INamed, INavigatorItem

```

#### Inheritance

object ← ObservableObject ← [LinkableBase](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/Pre/Data/VM.Models.Pre/Models/LinkableBase.cs) ← ObjectBase ← Object&lt;ObjectEventCore&gt; ← [SubEntity](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs) ← [HDBContact](VM.Managed.DAFUL.GearTrain.HDBContact.md)

#### Implements

IObservableObject, IDisposableObject, ILinkable, ILinkContainerEvent, IVerifiable, [IHistoryObjectSerializable](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMHist/Interfaces.cs), IAttributeContainer, ISubEntity, IEntityBase, IObjectBase, IObject, ILinkContainer, IOwned, IHasID, IEventProvider, IHasKeyObject, IHasName, IEnabled, IHasComment, INamed, INavigatorItem

#### Inherited Members

[SubEntity.Initialize(Unit.ConvertFactor)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs), [SubEntity.GetModelNavigatorInformationImpl(XmlDocument, XmlElement, bool)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs), [SubEntity.FixUp(ObjectBase)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs), [SubEntity.WriteTemplateImpl(XmlWriter)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs), [SubEntity.ReadTemplateImpl(XmlReader)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs), [SubEntity.Name](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs), [SubEntity.FullName](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs), [SubEntity.NonSymmetricName](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs), [SubEntity.DisplayName](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs), [SubEntity.IsEnabled](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs), [SubEntity.Comment](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMObjBase/SubEntity.cs), Object&lt;ObjectEventCore&gt;.GetKey(), Object&lt;ObjectEventCore&gt;.Initialize(Unit.ConvertFactor), Object&lt;ObjectEventCore&gt;.SetIconColor(Canvas), Object&lt;ObjectEventCore&gt;.OnDeserialization(object), Object&lt;ObjectEventCore&gt;.CustomGetObjectData(SerializationInfo, StreamingContext), Object&lt;ObjectEventCore&gt;.RollbackEvent(), Object&lt;ObjectEventCore&gt;.OnDeserializedCore(object), Object&lt;ObjectEventCore&gt;.Key, Object&lt;ObjectEventCore&gt;.UntypedEventCore, Object&lt;ObjectEventCore&gt;.EventCore, Object&lt;ObjectEventCore&gt;.Attributes, ObjectBase.ReplaceEventCore(ObjectEventCore), ObjectBase.SetModifiedCore(ModifiedResult.ModifiedType), ObjectBase.AddPostDeserialize(StreamingContext), ObjectBase.LinkAddedToDocumentCore(IOwned, bool), ObjectBase.SetModified(ModifiedResult.ModifiedType), ObjectBase.SetModified(), ObjectBase.SetModified(ModifiedResult.ModifiedType, IDocument), ObjectBase.DestroyObject(object, LinkEventArgs), ObjectBase.DestroyObject(DestroyEventArgs), ObjectBase.DestroyObject(), ObjectBase.Initialize(Unit.ConvertFactor), ObjectBase.FixUp(ObjectBase), ObjectBase.DoWorkAfterUpdateContents(), ObjectBase.SetOldNameWithNewEntity(ObjectBase, ObjectBase), ObjectBase.SetIconColor(Canvas), ObjectBase.RemoveFromCreatedList(), ObjectBase.PostAddToDocument(), ObjectBase.PostRemoveFromDocument(Document), ObjectBase.GetArgumentList(LinkedList&lt;ObjectBase&gt;), ObjectBase.ResetInvalidEntity(), ObjectBase.OnDeserialization(object), ObjectBase.IsSerializableEvent(Delegate), ObjectBase.CustomGetObjectData(SerializationInfo, StreamingContext), ObjectBase.CheckAndUpdateLink(HashSet&lt;ObjectBase&gt;), ObjectBase.Verify(VerifiedResult), ObjectBase.ConnectProxy(), ObjectBase.RollbackEvent(), ObjectBase.LinkRequestUpdating(object, LinkEventArgs), ObjectBase.LinkRequestUpdate(object, LinkEventArgs), ObjectBase.LinkRequestDestroying(object, LinkEventArgs), ObjectBase.LinkRequestDestroy(object, LinkEventArgs), ObjectBase.LinkAddedToDocument(object, AddToDocEventArgs), ObjectBase.LinkRemovedFromDocument(object, RemoveFromDocEventArgs), ObjectBase.DisposeManagedResources(), ObjectBase.GetDestroyEventExtraData(), ObjectBase.OnLinkReserved(ILink, object, EventArgs), ObjectBase.CreateEntityWhenUpdateContents(Action), ObjectBase.GetObjectByKey(UIntPtr), ObjectBase.FindObjectOnXmlDeserialize(string), ObjectBase.UpdateContents(XmlReader, ObjectBase, string), ObjectBase.UpdateContents(XmlReader, ObjectBase), ObjectBase.UpdateContents(string, string), ObjectBase.UpdateContents(string), ObjectBase.SetFlagWhenXMLFile(string, bool), ObjectBase.IsEqualArray&lt;T&gt;(T\[\], T\[\]), ObjectBase.IsEqualList(List&lt;double&gt;, List&lt;double&gt;), ObjectBase.SetContainer(IOwned, bool), ObjectBase.GetTargetListForUpdate(), ObjectBase.SkipUpdateObjectImpl(), ObjectBase.raise\_OnUpdating(object, LinkEventArgs), ObjectBase.raise\_OnUpdate(object, LinkEventArgs), ObjectBase.raise\_OnDestroying(object, LinkEventArgs), ObjectBase.raise\_OnDestroy(object, LinkEventArgs), ObjectBase.raise\_Destroying(object, Identifier), ObjectBase.raise\_OnAdded(object, AddToDocEventArgs), ObjectBase.raise\_OnRemoved(object, RemoveFromDocEventArgs), ObjectBase.raise\_OnContentsUpdated(object, EventArgs), ObjectBase.Dispose(bool), ObjectBase.SkipModified, ObjectBase.ClearChildInfoBeforeDeserialize, ObjectBase.KeyImpl, ObjectBase.ID, ObjectBase.TopologyEntityTypeName, ObjectBase.ObjectStateForCircularError, ObjectBase.ObjectState, ObjectBase.IsChildExternable, ObjectBase.IsExternable, ObjectBase.Container, ObjectBase.Owner, ObjectBase.Document, ObjectBase.UntypedEventCore, ObjectBase.KernelKey, ObjectBase.Key, ObjectBase.OnContentsUpdated, ObjectBase.OnRemoved, ObjectBase.OnAdded, ObjectBase.Destroying, ObjectBase.OnDestroy, ObjectBase.OnDestroying, ObjectBase.OnUpdate, ObjectBase.OnUpdating, [LinkableBase.OnDeserialization(object)](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/Pre/Data/VM.Models.Pre/Models/LinkableBase.cs), ObservableObject.Dispose(), ObservableObject.RaisePropertyChanged(string), ObservableObject.RaisePropertyChanged(string, object, object), ObservableObject.Dispose(bool), ObservableObject.DisposeManagedResources(), ObservableObject.DisposeUnmanagedResources(), ObservableObject.IsDisposed, ObservableObject.TryDisposing, ObservableObject.Disposed, ObservableObject.Disposing, ObservableObject.PropertyChanged

#### Extension Methods

[LinkPropertyItemCache.GetLinkProperties(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkProperties_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkPropertiesAndValues(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkPropertiesAndValues_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkedObjects&lt;T&gt;(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_)

## Constructors

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact__ctor"></a> HDBContact()

Initializes a new instance of the  class.

```csharp
public HDBContact()

```

## Properties

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_BoundaryPenetration"></a> BoundaryPenetration

Gets or sets the boundary penetration. Use SetBoundaryPenetration() when this instance sets for undo/redo

```csharp
public double BoundaryPenetration { get; set; }

```

#### Property Value

double

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_DampCoef"></a> DampCoef

Gets or sets the damping coefficient. Use SetDampCoef() when this instance sets for undo/redo

```csharp
public double DampCoef { get; set; }

```

#### Property Value

double

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_DampingSpline"></a> DampingSpline

Gets or sets the damping spline path. Use SetDampingSpline() when this instance sets for undo/redo

```csharp
public string DampingSpline { get; set; }

```

#### Property Value

string

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_DampingType"></a> DampingType

Gets or sets the type of the damping. Use SetDampingType() when this instance sets for undo/redo

```csharp
public HDBContact.InputType DampingType { get; set; }

```

#### Property Value

[HDBContact](VM.Managed.DAFUL.GearTrain.HDBContact.md).[InputType](VM.Managed.DAFUL.GearTrain.HDBContact.InputType.md)

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_DynFriCoef"></a> DynFriCoef

Gets or sets the dynamic friction coefficient Use SetDynFriCoef() when this instance sets for undo/redo

```csharp
public double DynFriCoef { get; set; }

```

#### Property Value

double

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_DynThreshold"></a> DynThreshold

Gets or sets the dynamic threshold. Use SetDynThreshold() when this instance sets for undo/redo

```csharp
public double DynThreshold { get; set; }

```

#### Property Value

double

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_FrictionSpline"></a> FrictionSpline

Gets or sets the friction spline path. Use SetFrictionSpline() when this instance sets for undo/redo

```csharp
public string FrictionSpline { get; set; }

```

#### Property Value

string

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_FrictionType"></a> FrictionType

Gets or sets the type of the friction. Use SetFrictionType() when this instance sets for undo/redo

```csharp
public HDBContact.InputType FrictionType { get; set; }

```

#### Property Value

[HDBContact](VM.Managed.DAFUL.GearTrain.HDBContact.md).[InputType](VM.Managed.DAFUL.GearTrain.HDBContact.InputType.md)

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_NumOfAxial"></a> NumOfAxial

Gets or sets the number of axial. Use NumOfAxial() when this instance sets for undo/redo

```csharp
public double NumOfAxial { get; set; }

```

#### Property Value

double

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_NumOfCircular"></a> NumOfCircular

Gets or sets the number of circular. Use SetNumOfCircular() when this instance sets for undo/redo

```csharp
public double NumOfCircular { get; set; }

```

#### Property Value

double

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_StaFriCoef"></a> StaFriCoef

Gets or sets the static friction coefficient. Use SetStaFriCoef() when this instance sets for undo/redo

```csharp
public double StaFriCoef { get; set; }

```

#### Property Value

double

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SticVel"></a> SticVel

Gets or sets the stiction velocity. Use SetSticVel() when this instance sets for undo/redo

```csharp
public double SticVel { get; set; }

```

#### Property Value

double

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_StiffCoef"></a> StiffCoef

Gets or sets the stiffness coefficient. Use SetStiffCoef() when this instance sets for undo/redo

```csharp
public double StiffCoef { get; set; }

```

#### Property Value

double

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_StiffOrder"></a> StiffOrder

Gets or sets the stiffness order. Use SetStiffOrder() when this instance sets for undo/redo

```csharp
public double StiffOrder { get; set; }

```

#### Property Value

double

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_StiffnessSpline"></a> StiffnessSpline

Gets or sets the stiffness spline path. Use SetStiffnessSpline() when this instance sets for undo/redo

```csharp
public string StiffnessSpline { get; set; }

```

#### Property Value

string

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_StiffnessType"></a> StiffnessType

Gets or sets the type of the stiffness. Use SetStiffnessType() when this instance sets for undo/redo

```csharp
public HDBContact.InputType StiffnessType { get; set; }

```

#### Property Value

[HDBContact](VM.Managed.DAFUL.GearTrain.HDBContact.md).[InputType](VM.Managed.DAFUL.GearTrain.HDBContact.InputType.md)

## Methods

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetBoundaryPenetration_System_Double_"></a> SetBoundaryPenetration(double)

Set boundary penetration.

```csharp
public void SetBoundaryPenetration(double dVal)

```

#### Parameters

`dVal` double

The boundary penetration.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetDampCoef_System_Double_"></a> SetDampCoef(double)

Set damping coefficient.

```csharp
public void SetDampCoef(double dVal)

```

#### Parameters

`dVal` double

The damping coefficient.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetDampingSpline_System_String_"></a> SetDampingSpline(string)

Set damping spline path.

```csharp
public void SetDampingSpline(string strPath)

```

#### Parameters

`strPath` string

The damping spline path.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetDampingType_VM_Managed_DAFUL_GearTrain_HDBContact_InputType_"></a> SetDampingType(InputType)

Set type of the damping.

```csharp
public void SetDampingType(HDBContact.InputType type)

```

#### Parameters

`type` [HDBContact](VM.Managed.DAFUL.GearTrain.HDBContact.md).[InputType](VM.Managed.DAFUL.GearTrain.HDBContact.InputType.md)

The type of the damping.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetDynFriCoef_System_Double_"></a> SetDynFriCoef(double)

Set dynamic friction coefficient.

```csharp
public void SetDynFriCoef(double dVal)

```

#### Parameters

`dVal` double

The dynamic friction coefficient.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetDynThreshold_System_Double_"></a> SetDynThreshold(double)

Set dynamic threshold.

```csharp
public void SetDynThreshold(double dVal)

```

#### Parameters

`dVal` double

The dynamic threshold.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetFrictionSpline_System_String_"></a> SetFrictionSpline(string)

Set friction spline path.

```csharp
public void SetFrictionSpline(string strPath)

```

#### Parameters

`strPath` string

The friction spline path.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetFrictionType_VM_Managed_DAFUL_GearTrain_HDBContact_InputType_"></a> SetFrictionType(InputType)

Set type of the friction.

```csharp
public void SetFrictionType(HDBContact.InputType type)

```

#### Parameters

`type` [HDBContact](VM.Managed.DAFUL.GearTrain.HDBContact.md).[InputType](VM.Managed.DAFUL.GearTrain.HDBContact.InputType.md)

The type of the friction.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetNumOfAxial_System_Double_"></a> SetNumOfAxial(double)

Set number of axial.

```csharp
public void SetNumOfAxial(double dVal)

```

#### Parameters

`dVal` double

The number of axial.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetNumOfCircular_System_Double_"></a> SetNumOfCircular(double)

Set number of circular.

```csharp
public void SetNumOfCircular(double dVal)

```

#### Parameters

`dVal` double

The number of circular.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetStaFriCoef_System_Double_"></a> SetStaFriCoef(double)

Set static friction coefficient.

```csharp
public void SetStaFriCoef(double dVal)

```

#### Parameters

`dVal` double

The static friction coefficient.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetSticVel_System_Double_"></a> SetSticVel(double)

Set stiction velocity.

```csharp
public void SetSticVel(double dVal)

```

#### Parameters

`dVal` double

The stiction velocity.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetStiffCoef_System_Double_"></a> SetStiffCoef(double)

Set stiffness coefficient.

```csharp
public void SetStiffCoef(double dVal)

```

#### Parameters

`dVal` double

The stiffness coefficient.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetStiffOrder_System_Double_"></a> SetStiffOrder(double)

Set stiffness order.

```csharp
public void SetStiffOrder(double dVal)

```

#### Parameters

`dVal` double

The stiffness order.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetStiffnessSpline_System_String_"></a> SetStiffnessSpline(string)

Set stiffness spline path.

```csharp
public void SetStiffnessSpline(string strPath)

```

#### Parameters

`strPath` string

The stiffness spline path.

### <a id="VM_Managed_DAFUL_GearTrain_HDBContact_SetStiffnessType_VM_Managed_DAFUL_GearTrain_HDBContact_InputType_"></a> SetStiffnessType(InputType)

Set type of the stiffness.

```csharp
public void SetStiffnessType(HDBContact.InputType type)

```

#### Parameters

`type` [HDBContact](VM.Managed.DAFUL.GearTrain.HDBContact.md).[InputType](VM.Managed.DAFUL.GearTrain.HDBContact.InputType.md)

The type of the stiffness.