A special interpolation of the element displacement field using the displacement along each side of element is proposed and a new C1 conforming quadrilateral thin plate bending element is developed.

• 提出一种由单元协调边界位移直接插值单元位移的特殊插值法,并用该方法构造出一种新型的12节点参数C1阶协调任意四边形薄板弯曲单元。