Index: DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/ConversionHelperTests.cs
===================================================================
diff -u -r5960 -r6064
--- DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/ConversionHelperTests.cs	(.../ConversionHelperTests.cs)	(revision 5960)
+++ DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/ConversionHelperTests.cs	(.../ConversionHelperTests.cs)	(revision 6064)
@@ -359,6 +359,7 @@
     [Test]
     [TestCase(TangentLinesDefinition.OnBoundaryLines, ConversionHelper.InputTangentLinesOnBoundaryLines)]
     [TestCase(TangentLinesDefinition.Specified, ConversionHelper.InputTangentLinesSpecified)]
+    [TestCase(TangentLinesDefinition.Automatic, ConversionHelper.InputTangentLinesAutomatic)]
     public void CanConvertToInputTangentLinesDefinition(TangentLinesDefinition tangentLineType, int inputTangentLineType)
     {
         Assert.That(ConversionHelper.ConvertToInputTangentLinesDefinition(tangentLineType), Is.EqualTo(inputTangentLineType));
@@ -367,6 +368,7 @@
     [Test]
     [TestCase(ConversionHelper.InputTangentLinesOnBoundaryLines, TangentLinesDefinition.OnBoundaryLines)]
     [TestCase(ConversionHelper.InputTangentLinesSpecified, TangentLinesDefinition.Specified)]
+    [TestCase(ConversionHelper.InputTangentLinesAutomatic, TangentLinesDefinition.Automatic)]
     public void CanConvertToTangentLinesDefinition(int inputTangentLineType, TangentLinesDefinition tangentLineType)
     {
         Assert.That(ConversionHelper.ConvertToTangentLinesDefinition(inputTangentLineType), Is.EqualTo(tangentLineType));
@@ -407,25 +409,6 @@
     }
 
     [Test]
-    [TestCase(MStabModelType.Bishop, ConversionHelper.MStabModelTypeBishop)]
-    [TestCase(MStabModelType.UpliftVan, ConversionHelper.MStabModelTypeUpliftVan)]
-    [TestCase(MStabModelType.BishopUpliftVan, ConversionHelper.MStabModelTypeBishopUpliftVan)]
-    [TestCase(MStabModelType.UpliftVan, ConversionHelper.MStabModelTypeUpliftVan)]
-    public void CanConvertToOutputMStabModelType(MStabModelType mStabModelType, int outputMStabModelType)
-    {
-        Assert.That(ConversionHelper.ConvertToOutputMStabModelType(mStabModelType), Is.EqualTo(outputMStabModelType));
-    }
-
-    [Test]
-    [TestCase(ConversionHelper.MStabModelTypeBishop, MStabModelType.Bishop)]
-    [TestCase(ConversionHelper.MStabModelTypeUpliftVan, MStabModelType.UpliftVan)]
-    [TestCase(ConversionHelper.MStabModelTypeBishopUpliftVan, MStabModelType.BishopUpliftVan)]
-    public void CanConvertToMStabModelType(int outputMStabModelType, MStabModelType mStabModelType)
-    {
-        Assert.That(ConversionHelper.ConvertToMStabModelType(outputMStabModelType), Is.EqualTo(mStabModelType));
-    }
-
-    [Test]
     [TestCase(PipingModelType.Bligh, InputPipingModelType.Bligh)]
     [TestCase(PipingModelType.Wti2017, InputPipingModelType.WtiSellmeijerRevised)]
     public void CanConvertToInputPipingModelType(PipingModelType pipingModelType, InputPipingModelType inputPipingModelType)
Index: DamEngine/trunk/src/Deltares.DamEngine.Interface/ConversionHelper.cs
===================================================================
diff -u -r5960 -r6064
--- DamEngine/trunk/src/Deltares.DamEngine.Interface/ConversionHelper.cs	(.../ConversionHelper.cs)	(revision 5960)
+++ DamEngine/trunk/src/Deltares.DamEngine.Interface/ConversionHelper.cs	(.../ConversionHelper.cs)	(revision 6064)
@@ -112,78 +112,13 @@
     /// The input tangent lines specified
     /// </summary>
     public const int InputTangentLinesSpecified = 1;
-
+    
     /// <summary>
-    /// The m stab model type bishop
+    /// The input tangent lines automatic
     /// </summary>
-    public const int MStabModelTypeBishop = 0;
+    public const int InputTangentLinesAutomatic = 2;
 
     /// <summary>
-    /// The m stab model type spencer
-    /// </summary>
-    public const int MStabModelTypeSpencer = 1;
-
-    /// <summary>
-    /// The m stab model type fellenius
-    /// </summary>
-    public const int MStabModelTypeFellenius = 2;
-
-    /// <summary>
-    /// The m stab model type uplift van
-    /// </summary>
-    public const int MStabModelTypeUpliftVan = 3;
-
-    /// <summary>
-    /// The m stab model type uplift spencer
-    /// </summary>
-    public const int MStabModelTypeUpliftSpencer = 4;
-
-    /// <summary>
-    /// The m stab model type bishop random field
-    /// </summary>
-    public const int MStabModelTypeBishopRandomField = 5;
-
-    /// <summary>
-    /// The m stab model type horizontal balance
-    /// </summary>
-    public const int MStabModelTypeHorizontalBalance = 6;
-
-    /// <summary>
-    /// The m stab model type bishop uplift van
-    /// </summary>
-    public const int MStabModelTypeBishopUpliftVan = 7;
-
-    /// <summary>
-    /// The m stab model type spencer high
-    /// </summary>
-    public const int MStabModelTypeSpencerHigh = 8;
-
-    /// <summary>
-    /// The m stab model type spencer low
-    /// </summary>
-    public const int MStabModelTypeSpencerLow = 9;
-
-    /// <summary>
-    /// The piping model type bligh
-    /// </summary>
-    public const int PipingModelTypeBligh = 0;
-
-    /// <summary>
-    /// The piping model type sellmeijer
-    /// </summary>
-    public const int PipingModelTypeSellmeijer = 1;
-
-    /// <summary>
-    /// The piping model type sellmeijer4 forces
-    /// </summary>
-    public const int PipingModelTypeSellmeijer4Forces = 2;
-
-    /// <summary>
-    /// The piping model type wti2017
-    /// </summary>
-    public const int PipingModelTypeWti2017 = 3;
-
-    /// <summary>
     /// Constants for translating to Enums TimeStepUnit
     /// </summary>
     public const uint TimeStepUnitSecond = 0;
@@ -1132,6 +1067,9 @@
             },
             {
                 TangentLinesDefinition.Specified, InputTangentLinesSpecified
+            },
+            {
+                TangentLinesDefinition.Automatic, InputTangentLinesAutomatic
             }
         };
         return translationTable[tangentLineType];
@@ -1264,50 +1202,6 @@
     }
 
     /// <summary>
-    /// Converts to MStab Model Type.
-    /// </summary>
-    /// <param name="inputMStabModelType">The input MStabModelType.</param>
-    /// <returns></returns>
-    public static MStabModelType ConvertToMStabModelType(int inputMStabModelType)
-    {
-        var translationTable = new Dictionary<int, MStabModelType>
-        {
-            {
-                MStabModelTypeBishop, MStabModelType.Bishop
-            },
-            {
-                MStabModelTypeUpliftVan, MStabModelType.UpliftVan
-            },
-            {
-                MStabModelTypeBishopUpliftVan, MStabModelType.BishopUpliftVan
-            }
-        };
-        return translationTable[inputMStabModelType];
-    }
-
-    /// <summary>
-    /// Converts to output MStabModelType.
-    /// </summary>
-    /// <param name="mStabModelType">The UpliftType.</param>
-    /// <returns></returns>
-    public static int ConvertToOutputMStabModelType(MStabModelType mStabModelType)
-    {
-        var translationTable = new Dictionary<MStabModelType, int>
-        {
-            {
-                MStabModelType.Bishop, MStabModelTypeBishop
-            },
-            {
-                MStabModelType.UpliftVan, MStabModelTypeUpliftVan
-            },
-            {
-                MStabModelType.BishopUpliftVan, MStabModelTypeBishopUpliftVan
-            }
-        };
-        return translationTable[mStabModelType];
-    }
-
-    /// <summary>
     /// Converts the input TimeStepUnit to the TimeStepUnit.
     /// </summary>
     /// <param name="timeStepUnit">The time step unit.</param>