The numerical integral is not needed in forming element stiffness matrix by the present method. It is easy to constructed curvedelement.
形成单刚矩阵时，不需要在单元域内进行数值积分，容易构造曲边单元。
2
Based on the results reported herein, one may conclude that the proposed curvedelement may be used for the analysis of three-dimensional curved beam structures.
基于所给出的结果，可望该有限元模型可以作为分析三维空间曲梁结构的有效工具。
3
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.