Application of the dual integrated force method to the analysis of the off-axis three-point flexure test of unidirectional composites

被引：0
作者：
Adarraga, I. [1 ]
Romera, J. M. [1 ]
Cantera, M. A. [1 ]
Insausti, N. [1 ]
Mujika, F. [1 ]
机构：
[1] Univ Basque Country, Polytech Univ Coll, Mat Technol Grp, Dept Mech Engn, San Sebastian 20018, Spain
来源：
JOURNAL OF COMPOSITE MATERIALS | 2016年 / 50卷 / 03期
关键词：
Dual integrated force method; stiffness method; theorems of virtual work; laminate composites; PLATE-BENDING ELEMENT; STRUCTURAL-ANALYSIS; FLEXIBILITY MATRICES; DISPLACEMENT FIELD; EQUILIBRIUM; CONTINUUM; THIN;
D O I：
10.1177/0021998315576377
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
This paper shows the use of the dual integrated force method in the finite element method and its application to unidirectional composite laminates. This method was developed by SN Patnaik for isotropic materials, considering not only the equilibrium equations but also the compatibility conditions. The method is applied to obtain the stiffness matrix of a four-node rectangular plate element. Then, a three-point flexure test of a unidirectional off-axis composite has been analyzed. The results obtained with this method have been compared with those obtained from a previous analytic approach and with those obtained by commercial software of finite element method, which is based on the stiffness method.
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页码：413 / 426
页数：14
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