Change curvature calculator

StructureHelperLogics/NdmCalculations/Analyses/Curvatures/IDeflectionResult.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.Curvatures
+{
+    public interface IDeflectionResult
+    {
+        double UltimateDeflection { get; set; }
+        double Curvature { get; set; }
+        double Deflection { get; set; }
+        bool IsDeflectionLessThanUltimate { get; }
+    }
+}