Tests of crack calculator were added

StructureHelperLogics/NdmCalculations/Analyses/ByForces/IForceTupleInputData.cs

@@ -9,10 +9,22 @@ using System.Threading.Tasks;
 
 namespace StructureHelperLogics.NdmCalculations.Analyses.ByForces
 {
+    /// <summary>
+    /// Input data for Force Tuple Calculator
+    /// </summary>
     public interface IForceTupleInputData : IInputData
     {
+        /// <summary>
+        /// Collection of ndma-parts for calculation
+        /// </summary>
         IEnumerable<INdm> NdmCollection { get; set; }
-        IForceTuple Tuple { get; set; }
+        /// <summary>
+        /// Force tuple which is used for calculation
+        /// </summary>
+        IForceTuple ForceTuple { get; set; }
+        /// <summary>
+        /// Settings of iteration
+        /// </summary>
         IAccuracy Accuracy { get; set; }
     }
 }