Crack Calculator was added

StructureHelperLogics/MaterialBuilders/Decorators/RestrictStrainOption.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.MaterialBuilders.Decorators
+{
+    internal class RestrictStrainOption : IDecoratorOption
+    {
+        private double maxTensileStrain;
+        private double maxCompessionStrain;
+
+        public double MaxTensileStrain
+        {
+            get => maxTensileStrain;
+            set
+            {
+                if (value < 0d)
+                {
+                    //to do exception
+                }
+                maxTensileStrain = value;
+            }
+        }
+        public double MaxCompessionStrain { get => maxCompessionStrain; set => maxCompessionStrain = value; }
+    }
+}