Buckling calculator was changed, accidental eccentricity logic was added

StructureHelperCommon/Models/Sections/ICompressedMember.cs

@@ -2,12 +2,31 @@
 
 namespace StructureHelperCommon.Models.Sections
 {
+
+    //Copyright (c) 2023 Redikultsev Evgeny, Ekaterinburg, Russia
+    //All rights reserved.
+
+    /// <summary>
+    /// Interface of properties for compressed strucrue members
+    /// </summary>
     public interface ICompressedMember : ICloneable
     {
+        /// <summary>
+        /// Flag of considering of buckling
+        /// </summary>
         bool Buckling { get; set; }
+        /// <summary>
+        /// Geometry length of structure member, m
+        /// </summary>
         double GeometryLength { get; set; }
-        double LengthFactorX { get; set; }
+        /// <summary>
+        /// Factor of design length in plane XOZ
+        /// </summary>
+        double LengthFactorX { get; set; }    
         double DiagramFactorX { get; set; }
+        /// <summary>
+        /// Factor of design length in plane YOZ
+        /// </summary>
         double LengthFactorY { get; set; }
         double DiagramFactorY { get; set; }
     }