Buckling calculator was changed, accidental eccentricity logic was added

StructureHelperCommon/Models/Sections/Logics/IAccidentalEccentricityLogic.cs

@@ -0,0 +1,38 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Sections
+{
+    /// <summary>
+    /// Logic for calculating of value of accidental eccentricity
+    /// </summary>
+    public interface IAccidentalEccentricityLogic : ILogic
+    {
+        /// <summary>
+        /// Properties of compressed member
+        /// </summary>
+        ICompressedMember CompressedMember {get;set;}
+        /// <summary>
+        /// Size of cross-section along X-axis, m
+        /// </summary>
+        double SizeX { get; set; }
+        /// <summary>
+        /// Size of cross-section along Y-axis, m
+        /// </summary>
+        double SizeY { get; set; }
+        /// <summary>
+        /// Initial tuple of force
+        /// </summary>
+        IForceTuple InitialForceTuple { get; set; }
+        /// <summary>
+        /// Returns new force tuple with accidental eccentricity
+        /// </summary>
+        /// <returns></returns>
+        ForceTuple GetForceTuple();
+    }
+}