Index: DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SigmaTauPointTests.cs
===================================================================
diff -u -r4556 -r4561
--- DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SigmaTauPointTests.cs	(.../SigmaTauPointTests.cs)	(revision 4556)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SigmaTauPointTests.cs	(.../SigmaTauPointTests.cs)	(revision 4561)
@@ -31,8 +31,8 @@
     public void GivenSigmaTauPointWhenSettingSigmaThenSigmaIsSetCorrectly()
     {
         // Given
-        var point = new SigmaTauPoint();
         var expectedSigma = 1.0;
+        var point = new SigmaTauPoint(expectedSigma, 0.0);
 
         // When
         point.Sigma = expectedSigma;
@@ -45,8 +45,8 @@
     public void GivenSigmaTauPointWhenSettingTauThenTauIsSetCorrectly()
     {
         // Given
-        var point = new SigmaTauPoint();
         var expectedTau = 2.0;
+        var point = new SigmaTauPoint(0.0, expectedTau);
 
         // When
         point.Tau = expectedTau;
@@ -59,12 +59,8 @@
     public void GivenTwoSigmaTauPointsWhenAssigningThenPropertiesAreAssignedCorrectly()
     {
         // Given
-        var sourcePoint = new SigmaTauPoint
-        {
-            Sigma = 1.0,
-            Tau = 2.0
-        };
-        var targetPoint = new SigmaTauPoint();
+        var sourcePoint = new SigmaTauPoint(1.0, 2.0);
+        var targetPoint = new SigmaTauPoint(0.0, 0.0);
 
         // When
         targetPoint.Assign(sourcePoint);
Index: DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SoilTests.cs
===================================================================
diff -u -r4559 -r4561
--- DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SoilTests.cs	(.../SoilTests.cs)	(revision 4559)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SoilTests.cs	(.../SoilTests.cs)	(revision 4561)
@@ -50,16 +50,8 @@
                 ShearStrengthModel = ShearStrengthModel.SigmaTauCurve,
                 SigmaTauCurve = new SigmaTauCurve()
             };
-            sourceSoil.SigmaTauCurve.Points.Add(new SigmaTauPoint
-            {
-                Sigma = 1.0,
-                Tau = 2.0
-            });
-            sourceSoil.SigmaTauCurve.Points.Add(new SigmaTauPoint
-            {
-                Sigma = 3.0,
-                Tau = 4.0
-            });
+            sourceSoil.SigmaTauCurve.Points.Add(new SigmaTauPoint(1.0, 2.0));
+            sourceSoil.SigmaTauCurve.Points.Add(new SigmaTauPoint(3.0, 4.0));
             
             var targetSoil = new Soil();
 
Index: DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SigmaTauCurveTests.cs
===================================================================
diff -u -r4559 -r4561
--- DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SigmaTauCurveTests.cs	(.../SigmaTauCurveTests.cs)	(revision 4559)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SigmaTauCurveTests.cs	(.../SigmaTauCurveTests.cs)	(revision 4561)
@@ -48,11 +48,7 @@
     {
         // Given
         var curve = new SigmaTauCurve();
-        var point = new SigmaTauPoint
-        {
-            Sigma = 1.0,
-            Tau = 2.0
-        };
+        var point = new SigmaTauPoint(1.0, 2.0);
 
         // When
         curve.Points.Add(point);
@@ -66,17 +62,9 @@
     public void GivenTwoSigmaTauCurvesWhenAssigningThenPropertiesAreAssignedCorrectly()
     {
         // Given
-        SigmaTauCurve sourceCurve = new ();
-        sourceCurve.Points.Add(new SigmaTauPoint
-        {
-            Sigma = 1.0,
-            Tau = 2.0
-        });
-        sourceCurve.Points.Add(new SigmaTauPoint
-        {
-            Sigma = 3.0,
-            Tau = 4.0
-        });
+        SigmaTauCurve sourceCurve = new();
+        sourceCurve.Points.Add(new SigmaTauPoint(1.0, 2.0));
+        sourceCurve.Points.Add(new SigmaTauPoint(3.0, 4.0));
 
         var targetCurve = new SigmaTauCurve();
 
Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SigmaTauPoint.cs
===================================================================
diff -u -r4556 -r4561
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SigmaTauPoint.cs	(.../SigmaTauPoint.cs)	(revision 4556)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SigmaTauPoint.cs	(.../SigmaTauPoint.cs)	(revision 4561)
@@ -24,17 +24,17 @@
 /// <summary>
 /// The Sigma Tau point.
 /// </summary>
-public class SigmaTauPoint
+public class SigmaTauPoint(double sigma = 0, double tau = 0)
 {
     /// <summary>
     /// The sigma.
     /// </summary>
-    public double Sigma { get; set; }
+    public double Sigma { get; set; } = sigma;
 
     /// <summary>
     /// The tau.
     /// </summary>
-    public double Tau { get; set; }
+    public double Tau { get; set; } = tau;
 
     /// <summary>
     /// Assigns the specified point.