In this paper, a quadrilateral element is proposed for the analysis of thin plate bending. This element is non-conforming and consists of four-nodes and twelve degrees of freedom. A third-order field for the element displacement is written in terms...

Various corotational schemes for solid, shell, bending plate and beam elements have been proposed so far. Nevertheless, this approach has rarely been utilized for membrane problems. In this paper, a new quadrilateral element will be suggested...

In this paper, a plane quadrilateral element with rotational degrees of freedom is developed. Present formulation is based on a hybrid functional with independent boundary displacement and internal optimum strain field. All the optimality...

This study deals with the geometric nonlinear analysis of the plane problem based on the corotational formulation. Both analytical solutions and hybrid stress functional will be utilized in the proposed technique. A ...

To analyze thin bending plates, a triangular and a quadrilateral element are presented in this paper.

These suggested elements are formulated based on the hybrid-Trefftz method. The triangular element is

named as THT-15, and it has 6...

-Trefftz method to analyze structures. The proposed quadrilateral element (QHT-OR) has four nodes and twelve degrees of freedom. Moreover, two independent displacement fields are defined for inner and boundaries of element. The internal field is achieved...

To analyze thick orthotropic plates, two triangular and rectangular elements with high accuracy are suggested. The proposed formulations utilize the Hybrid-Trefftz function. In this method, two displacement fields are ...

(THT) and a

quadrilateral element (QHT), which have 9 and 12 degrees

of freedom, respectively. In this approach, two independent

displacement fields are defined; one within the element and

the other on the edges...

In this paper, two efficient elements for analyzing thin plate bending are proposed. They are a triangular element (THS) and a quadrilateral element (QHS), which have 9 and 12 degrees of freedom, respectively. Formulations of these elements...

A new four-sided element is proposed for plane stress and strain problems. This generalized shape

element is formulated based on the strain states. Error assessment, improvement and increase of the

efficiency ...