Force crack calculator was fixed

StructureHelperLogics/NdmCalculations/Cracking/CrackForceCalculatorInputData.cs

@@ -0,0 +1,24 @@
+using LoaderCalculator.Data.Ndms;
+using StructureHelperCommon.Models.Forces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Cracking
+{
+    public class CrackForceCalculatorInputData : ICrackForceCalculatorInputData
+    {
+        public IForceTuple StartTuple { get; set; }
+        public IForceTuple EndTuple { get; set; }
+        public IEnumerable<INdm> CheckedNdmCollection { get; set; }
+        public IEnumerable<INdm> SectionNdmCollection { get; set; }
+
+        public CrackForceCalculatorInputData()
+        {
+            StartTuple = new ForceTuple();
+            EndTuple = new ForceTuple();
+        }
+    }
+}