Add converting primitives and calculators

StructureHelperLogics/NdmCalculations/Cracking/IUserCrackInputData.cs

@@ -3,13 +3,34 @@ using StructureHelperCommon.Models.Calculators;
 
 namespace StructureHelperLogics.NdmCalculations.Cracking
 {
+    /// <summary>
+    /// User settings for crack width calculation
+    /// </summary>
     public interface IUserCrackInputData : IInputData, ISaveable
     {
-        double LengthBetweenCracks { get; set; }
+        /// <summary>
+        /// Flag of assigning of length betweenCracks by user or auto 
+        /// </summary>
         bool SetLengthBetweenCracks { get; set; }
+        /// <summary>
+        /// User value of length between cracks
+        /// </summary>
+        double LengthBetweenCracks { get; set; }
+        /// <summary>
+        /// Flag of assigning of softening factor by user or auto 
+        /// </summary>
         bool SetSofteningFactor { get; set; }
+        /// <summary>
+        /// User value of softening factor
+        /// </summary>
         double SofteningFactor { get; set; }
+        /// <summary>
+        /// Ultimate value of crack width due to long term loads, m
+        /// </summary>
         double UltimateLongCrackWidth { get; set; }
+        /// <summary>
+        /// Ultimate value of crack width due to short term loads, m
+        /// </summary>
         double UltimateShortCrackWidth { get; set; }
     }
 }