/// <summary>
                /// <para> Element´s description . </para>
                /// </summary>
                public override string ToString()
                {
                    string eType = "(13-Nodes)-IPyramid-2nd-Order";

                    return(IHelpers.HighOrder3DElementsToString(eType, Vertices, 5));
                }
                /// <summary>
                /// <para> Element´s description . </para>
                /// </summary>
                public override string ToString()
                {
                    string eType = "(15-Nodes)-IPrism-2nd-Order";

                    return(IHelpers.HighOrder3DElementsToString(eType, Vertices, 6));
                }
 public override string ToString()
 {
     string eType = "(20-Nodes)-IHexahedron-2nd-Order";
     return IHelpers.HighOrder3DElementsToString(eType, Vertices, 8);
 }
                /// <summary>
                /// <para> Element´s description . </para>
                /// </summary>
                public override string ToString()
                {
                    string eType = "(10-Nodes)-ITetrahedron-2nd-Order";

                    return(IHelpers.HighOrder3DElementsToString(eType, Vertices, 4));
                }