Objects of NdmElement were added

StructureHelperLogics/NdmCalculations/Primitives/NdmElement.cs

@@ -0,0 +1,47 @@
+using StructureHelper.Models.Materials;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Shapes;
+using StructureHelperLogics.Models.CrossSections;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Primitives
+{
+    /// <inheritdoc/>
+    public class NdmElement : INdmElement
+    {
+        private IUpdateStrategy<INdmElement> updateStrategy;
+        /// <inheritdoc/>
+        public Guid Id { get; }
+        /// <inheritdoc/>
+        public IPoint2D Center { get; } = new Point2D();
+        /// <inheritdoc/>
+        public IHeadMaterial? HeadMaterial { get; set; }
+        /// <inheritdoc/>
+        public bool Triangulate { get; set; }
+        /// <inheritdoc/>
+        public StrainTuple UsersPrestrain { get; } = new();
+        /// <inheritdoc/>
+        public StrainTuple AutoPrestrain { get; } = new();
+
+        public NdmElement(Guid id)
+        {
+            Id = id;
+        }
+
+        public NdmElement() : this(Guid.NewGuid())
+        {
+            
+        }
+
+        /// <inheritdoc/>
+        public object Clone()
+        {
+            throw new NotImplementedException();
+        }
+    }
+}