Index: DamEngine/trunk/src/Deltares.DamEngine.Interface/FillDamFromXmlInput.cs
===================================================================
diff -u -r3651 -r3699
--- DamEngine/trunk/src/Deltares.DamEngine.Interface/FillDamFromXmlInput.cs	(.../FillDamFromXmlInput.cs)	(revision 3651)
+++ DamEngine/trunk/src/Deltares.DamEngine.Interface/FillDamFromXmlInput.cs	(.../FillDamFromXmlInput.cs)	(revision 3699)
@@ -443,6 +443,11 @@
                     (ShearStrengthModel?)ConversionHelper.ConvertToShearStrengthModel(inputSoil.ShearStrengthModel) : null;
                 soil.UseDefaultShearStrengthModel = inputSoil.UseDefaultShearStrengthModelSpecified ?
                     (bool?)inputSoil.UseDefaultShearStrengthModel : null;
+                if (soil.UseDefaultShearStrengthModel.HasValue && soil.UseDefaultShearStrengthModel.Value && 
+                    soil.ShearStrengthModel == ShearStrengthModel.None)
+                {
+                    soil.ShearStrengthModel = ShearStrengthModel.CPhi;
+                }
                 soil.Cohesion = inputSoil.CohesionSpecified ? inputSoil.Cohesion : double.NaN;
                 soil.FrictionAngle = inputSoil.FrictionAngleSpecified ? inputSoil.FrictionAngle : double.NaN;
                 soil.Ocr = inputSoil.OcrSpecified ? inputSoil.Ocr : double.NaN;