Index: DamClients/DamUI/trunk/src/Dam/Forms/DamProjectCalculationOptionsPropertyControl.cs
===================================================================
diff -u -r5532 -r5549
--- DamClients/DamUI/trunk/src/Dam/Forms/DamProjectCalculationOptionsPropertyControl.cs	(.../DamProjectCalculationOptionsPropertyControl.cs)	(revision 5532)
+++ DamClients/DamUI/trunk/src/Dam/Forms/DamProjectCalculationOptionsPropertyControl.cs	(.../DamProjectCalculationOptionsPropertyControl.cs)	(revision 5549)
@@ -123,6 +123,17 @@
             {
                 currentSpecification.FailureMechanismeParamatersMStab.MStabParameters.SlipCircleDefinition.Specification =
                     currentSpecification;
+                if ((currentSpecification.FailureMechanismeParamatersMStab.MStabParameters.Model == MStabModelType.UpliftVan) 
+                    || (currentSpecification.FailureMechanismeParamatersMStab.MStabParameters.Model == MStabModelType.BishopUpliftVan)
+                    && (currentSpecification.FailureMechanismeParamatersMStab.MStabParameters.SearchMethod == MStabSearchMethod.BeeSwarm))
+                {
+                    currentSpecification.FailureMechanismeParamatersMStab.MStabParameters.SlipCircleDefinition.UpliftVanTangentLinesDefinition = TangentLinesDefinition.OnBoundaryLines;
+                }
+                if ((currentSpecification.FailureMechanismeParamatersMStab.MStabParameters.Model == MStabModelType.UpliftVan) 
+                    && (currentSpecification.FailureMechanismeParamatersMStab.MStabParameters.SearchMethod == MStabSearchMethod.BeeSwarm))
+                {
+                    currentSpecification.FailureMechanismeParamatersMStab.MStabParameters.SlipCircleDefinition.GridSizeDetermination = GridSizeDetermination.Automatic;
+                }
                 if (SearchMethodPanelControl.InvokeRequired)
                 {
                     Action action = () => BindSupport.Assign(SearchMethodPanelControl, currentSpecification.FailureMechanismeParamatersMStab.MStabParameters);