Add steel Material

StructureHelperCommon/Models/Materials/Libraries/ISteelDiagramProperty.cs

@@ -0,0 +1,34 @@
+namespace StructureHelperCommon.Models.Materials.Libraries
+{
+    public interface ISteelDiagramProperty
+    {
+        /// <summary>
+        /// Limit strain of proportionality, dimensionless
+        /// </summary>
+        double StrainOfProportionality { get; set; }
+        /// <summary>
+        /// Strain at point of start of yelding, dimensionless
+        /// </summary>
+        double StrainOfStartOfYielding { get; set; }
+        /// <summary>
+        /// Strain at point of end of yelding, dimensionless
+        /// </summary>
+        double StrainOfEndOfYielding { get; set; }
+        /// <summary>
+        /// Strain at point of ultimate strength, dimensionless
+        /// </summary>
+        double StrainOfUltimateStrength { get; set; }
+        /// <summary>
+        /// Strain at point of fracture
+        /// </summary>
+        double StrainOfFracture { get; set; }
+        /// <summary>
+        /// Stress at point of ultimate strength, Pa for absolute value, dimensionless for relative value 
+        /// </summary>
+        double StressOfUltimateStrength { get; set; }
+        /// <summary>
+        /// Stress at point of fracture, Pa for absolute value, dimensionless for relative value 
+        /// </summary>
+        double StressOfFracture { get; set; }
+    }
+}